首页 > 最新文献

Agricultural Water Management最新文献

英文 中文
Plastic mulching enhances maize yield and water productivity by improving root characteristics, green leaf area, and photosynthesis for different cultivars in dryland regions 塑料地膜覆盖通过改善干旱地区不同栽培品种的根系特征、绿叶面积和光合作用,提高玉米产量和水分生产率
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-17 DOI: 10.1016/j.agwat.2024.109105
Lihong Wu , Hao Quan , Lina Wu , Xi Zhang , Dianyuan Ding , Hao Feng , Kadambot H.M. Siddique , De Li Liu , Bin Wang
Uneven precipitation during the growing season and frequent seasonal droughts on the Loess Plateau in Northwest China adversely affect crop production and water use efficiency. While plastic mulching (PM) has been used to alleviate water stress, few studies have examined the traits maize cultivars need to adapt to the altered water environment under PM and achieve high yields. A two-year field experiment was conducted to assess the root characteristics and aboveground growth traits of three widely used high-yielding maize cultivars—Zhengdan 958 (ZD), Huanong 138 (HN), Heboshi 122 (HBS)—under no mulching (NM) and PM conditions. Among the three cultivars, HBS had the highest root system indices—root length density (RLD), root surface area density (RSD), and root biomass—in the topsoil (0–40 cm), followed by ZD and HN under both NM and PM conditions. Under NM, HBS_NM treatment exhibited strong water absorption, improving photosynthesis and yield, making it suitable for drought conditions. Under PM, topsoil moisture increased significantly, with root system indices increasing by 22.5–36.1 % for RLD, 30.2–36.1 % for RSD, and 25.2–36.5 % for root biomass across the cultivars compared to NM. While ZD_PM did not have the highest root system indices under PM, it exhibited higher green leaf area index (4.5–7.5 %), chlorophyll content (2.8–8.6 %), and photosynthetic rate (6.0–14.5 %), resulting in the highest aboveground biomass and yield among the treatments. These findings suggest ZD is better adapted to the enhanced soil moisture under PM. Future research should focus on breeding genotypes that thrive under PM conditions, emphasizing traits such as larger leaf areas and higher photosynthetic rates to boost crop productivity in rainfed areas.
中国西北黄土高原生长季节降水不均,季节性干旱频繁,对作物产量和水分利用效率产生了不利影响。虽然塑料地膜覆盖(PM)已被用于缓解水分胁迫,但很少有研究探讨玉米栽培品种适应PM下改变的水分环境并获得高产所需的性状。我们进行了一项为期两年的田间试验,以评估三个广泛使用的高产玉米栽培品种--正单 958(ZD)、华农 138(HN)和冀单 122(HBS)--在无覆膜(NM)和有覆膜(PM)条件下的根系特征和地上部生长性状。在这三个栽培品种中,HBS 在表土(0-40 厘米)中的根系指数--根长密度(RLD)、根表面积密度(RSD)和根生物量最高,其次是 ZD 和 HN。在 NM 条件下,HBS_NM 处理表现出较强的吸水性,提高了光合作用和产量,适合干旱条件。在 PM 条件下,表土水分显著增加,与 NM 相比,各栽培品种的根系指数 RLD 增加了 22.5-36.1%,RSD 增加了 30.2-36.1%,根系生物量增加了 25.2-36.5%。虽然在 PM 条件下 ZD_PM 的根系指数不是最高的,但它的绿叶面积指数(4.5-7.5 %)、叶绿素含量(2.8-8.6 %)和光合速率(6.0-14.5 %)都较高,因此其地上生物量和产量在各处理中最高。这些研究结果表明,在 PM 条件下,ZD 能更好地适应增强的土壤水分。未来的研究重点应是培育在可吸入颗粒物条件下生长旺盛的基因型,强调更大的叶面积和更高的光合速率等性状,以提高雨养地区的作物产量。
{"title":"Plastic mulching enhances maize yield and water productivity by improving root characteristics, green leaf area, and photosynthesis for different cultivars in dryland regions","authors":"Lihong Wu ,&nbsp;Hao Quan ,&nbsp;Lina Wu ,&nbsp;Xi Zhang ,&nbsp;Dianyuan Ding ,&nbsp;Hao Feng ,&nbsp;Kadambot H.M. Siddique ,&nbsp;De Li Liu ,&nbsp;Bin Wang","doi":"10.1016/j.agwat.2024.109105","DOIUrl":"10.1016/j.agwat.2024.109105","url":null,"abstract":"<div><div>Uneven precipitation during the growing season and frequent seasonal droughts on the Loess Plateau in Northwest China adversely affect crop production and water use efficiency. While plastic mulching (PM) has been used to alleviate water stress, few studies have examined the traits maize cultivars need to adapt to the altered water environment under PM and achieve high yields. A two-year field experiment was conducted to assess the root characteristics and aboveground growth traits of three widely used high-yielding maize cultivars—Zhengdan 958 (ZD), Huanong 138 (HN), Heboshi 122 (HBS)—under no mulching (NM) and PM conditions. Among the three cultivars, HBS had the highest root system indices—root length density (RLD), root surface area density (RSD), and root biomass—in the topsoil (0–40 cm), followed by ZD and HN under both NM and PM conditions. Under NM, HBS_NM treatment exhibited strong water absorption, improving photosynthesis and yield, making it suitable for drought conditions. Under PM, topsoil moisture increased significantly, with root system indices increasing by 22.5–36.1 % for RLD, 30.2–36.1 % for RSD, and 25.2–36.5 % for root biomass across the cultivars compared to NM. While ZD_PM did not have the highest root system indices under PM, it exhibited higher green leaf area index (4.5–7.5 %), chlorophyll content (2.8–8.6 %), and photosynthetic rate (6.0–14.5 %), resulting in the highest aboveground biomass and yield among the treatments. These findings suggest ZD is better adapted to the enhanced soil moisture under PM. Future research should focus on breeding genotypes that thrive under PM conditions, emphasizing traits such as larger leaf areas and higher photosynthetic rates to boost crop productivity in rainfed areas.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":"Article 109105"},"PeriodicalIF":5.9,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142445134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing field scale spatiotemporal heterogeneity in salinity dynamics using aerial data assimilation 利用航空数据同化技术评估盐度动态的实地时空异质性
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-17 DOI: 10.1016/j.agwat.2024.109114
Saman Ebrahimi , Mahdis Khorram , Santosh Palmate , Vijaya Chaganti , Girisha Ganjegunte , Saurav Kumar
Soil moisture and salinity shifts within the root zone can significantly alter crop yields. Thus, spatiotemporal dynamics of these parameters are essential for precision crop management. Airborne or spaceborne earth observation methods based on vegetation and soil observations have sometimes been used with limited success to indirectly understand parameters like soil salinity. These datasets lack spatiotemporal resolution to discern field-scale heterogeneities, and estimates’ accuracy is poor. A Metropolis-Hasting Markov Chain-Monte Carlo (MCMC) based method was developed to estimate field-scale soil salinity by assimilating estimated evapotranspiration (ET) data obtained from aerial canopy temperature sensing with ET outputs from a one-dimensional soil-water transport model. By aligning the two estimated ET values, we inferred anticipated soil salinity levels in a mature pecan orchard (28,951 m2). Our results aligned closely with in-situ measurements with a spatial cross-correlation more than 0.86 and highlighted the expected heterogeneities and nonlinearities. This research offers an approach to refine the current state-of-the-art crop models by accounting for field scale heterogeneities using remotely sensed data. This assimilation method will pave the way for a more inclusive agricultural system modeling that can infer critical but hard-to-measure soil properties from easier-to-obtain remotely sensed datasets. Though this paper concentrates on aerial observations, we anticipate similar methods can be used for satellite-based imagery, especially those with high spatial, temporal, and spectral resolutions.
根区土壤水分和盐度的变化会显著改变作物产量。因此,这些参数的时空动态对于精确作物管理至关重要。基于植被和土壤观测的机载或空间对地观测方法有时被用于间接了解土壤盐分等参数,但效果有限。这些数据集缺乏时空分辨率,无法辨别田间尺度的异质性,而且估算精度较低。研究人员开发了一种基于 Metropolis-Hasting Markov Chain-Monte Carlo(MCMC)的方法,通过同化从航空冠层温度感应中获得的估算蒸散量(ET)数据和一维土壤水分传输模型的 ET 输出值来估算田间尺度的土壤盐度。通过调整两个估计蒸散发值,我们推断出了一个成熟山核桃果园(28951 平方米)的预期土壤盐度水平。我们的结果与现场测量结果非常吻合,空间交叉相关性超过 0.86,并突出了预期的异质性和非线性。这项研究提供了一种方法,通过利用遥感数据考虑田间尺度的异质性来完善当前最先进的作物模型。这种同化方法将为建立更具包容性的农业系统模型铺平道路,该模型可以从更容易获得的遥感数据集中推断出关键但难以测量的土壤特性。虽然本文主要讨论的是航空观测数据,但我们预计类似的方法也可用于卫星图像,尤其是那些具有高空间、时间和光谱分辨率的图像。
{"title":"Assessing field scale spatiotemporal heterogeneity in salinity dynamics using aerial data assimilation","authors":"Saman Ebrahimi ,&nbsp;Mahdis Khorram ,&nbsp;Santosh Palmate ,&nbsp;Vijaya Chaganti ,&nbsp;Girisha Ganjegunte ,&nbsp;Saurav Kumar","doi":"10.1016/j.agwat.2024.109114","DOIUrl":"10.1016/j.agwat.2024.109114","url":null,"abstract":"<div><div>Soil moisture and salinity shifts within the root zone can significantly alter crop yields. Thus, spatiotemporal dynamics of these parameters are essential for precision crop management. Airborne or spaceborne earth observation methods based on vegetation and soil observations have sometimes been used with limited success to indirectly understand parameters like soil salinity. These datasets lack spatiotemporal resolution to discern field-scale heterogeneities, and estimates’ accuracy is poor. A Metropolis-Hasting Markov Chain-Monte Carlo (MCMC) based method was developed to estimate field-scale soil salinity by assimilating estimated evapotranspiration (ET) data obtained from aerial canopy temperature sensing with ET outputs from a one-dimensional soil-water transport model. By aligning the two estimated ET values, we inferred anticipated soil salinity levels in a mature pecan orchard (28,951 m<sup>2</sup>). Our results aligned closely with in-situ measurements with a spatial cross-correlation more than 0.86 and highlighted the expected heterogeneities and nonlinearities. This research offers an approach to refine the current state-of-the-art crop models by accounting for field scale heterogeneities using remotely sensed data. This assimilation method will pave the way for a more inclusive agricultural system modeling that can infer critical but hard-to-measure soil properties from easier-to-obtain remotely sensed datasets. Though this paper concentrates on aerial observations, we anticipate similar methods can be used for satellite-based imagery, especially those with high spatial, temporal, and spectral resolutions.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":"Article 109114"},"PeriodicalIF":5.9,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142445218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing agricultural sustainability with water and crop management strategies in modern irrigation and drainage networks 利用现代灌排网络中的水和作物管理策略提高农业可持续性
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-16 DOI: 10.1016/j.agwat.2024.109110
Seyedeh-Zohreh Hashemi , Abdullah Darzi-Naftchali , Fatemeh Karandish , Henk Ritzema , Karim Solaimani
Improving global food security hinges on achieving sustainable agricultural production within independent irrigation and drainage units, considering the availability of sustainable water resources. This study investigated the potential for enhancing the sustainability of agricultural production in a modern irrigation and drainage network (TIDN) area and evaluated the network's performance under various strategies. These strategies included mulching, transitioning from traditional to drip irrigation, combining mulching with drip irrigation (IDM), and reducing the crop yield gap. Utilizing 2009–2018 data and the AquaCrop model, which was both calibrated and validated, the green and blue water footprints (GWF and BWF) of dominant crops in the region's cropping pattern were assessed. The crop cultivation was prioritized based on the total and unit unsustainable BWF. The performance of TIDN was evaluated using indicators of reliability, vulnerability, system deficiency, flexibility, and sustainability. The drip irrigation had the most significant impact on reducing BWF, while mulching was more effective in decreasing GWF. The adoption of IDM led to a total annual water savings of 382.4 m3 ha−1. The 10-year average reductions in BWF from May to August ranged from 1.7 to 3.1 MCM, with approximately 88–93 % of these savings attributed to decreased water consumption in rice fields. Mulch, drip, and IDM decreased the BWF by 3.3 %, 9.4 %, and 10.2 %, respectively, compared to current conditions. The study revealed that the expansion of rice cultivation under conventional flooding irrigation was incompatible with the sustainable blue water resources available, and replacing rice with wheat could reduce the unsustainable BWF by 95–100 %. Compared to current conditions, IDM improved network sustainability by 1.2 %, while closing the yield gap improved the indicator by 24 %. The findings suggest that combining infrastructural solutions, such as updating irrigation systems, with farm management solutions, such as reducing crop yield gaps and implementing mulching, can significantly enhance the sustainability of production in intensively agricultural areas.
考虑到可持续水资源的可用性,提高全球粮食安全取决于在独立灌排单元内实现可持续农业生产。本研究调查了在现代灌排网络(TIDN)地区提高农业生产可持续性的潜力,并评估了该网络在各种策略下的表现。这些策略包括地膜覆盖、从传统灌溉过渡到滴灌、将地膜覆盖与滴灌相结合(IDM)以及缩小作物产量差距。利用 2009-2018 年的数据和经过校准和验证的 AquaCrop 模型,对该地区种植模式中主要作物的绿水足迹和蓝水足迹(GWF 和 BWF)进行了评估。根据不可持续的总生物耗水量和单位生物耗水量对作物种植进行了优先排序。使用可靠性、脆弱性、系统缺陷、灵活性和可持续性指标对滴灌网络的性能进行了评估。滴灌对减少生物耗水量影响最大,而地膜覆盖对减少全球耗水量更为有效。采用 IDM 后,年节水总量为 382.4 立方米/公顷-1。5 月至 8 月的 10 年平均生物需水量减少量在 1.7 至 3.1 百万立方米之间,其中约 88-93% 的节水量归因于稻田耗水量的减少。与当前情况相比,地膜覆盖、滴灌和 IDM 分别减少了 3.3%、9.4% 和 10.2%的 BWF。研究表明,在传统大水漫灌条件下扩大水稻种植与可持续的蓝色水资源不相容,用小麦替代水稻可将不可持续的生物耗水量降低 95%-100%。与当前条件相比,IDM 可将网络的可持续性提高 1.2%,而缩小产量差距则可将该指标提高 24%。研究结果表明,将基础设施解决方案(如更新灌溉系统)与农业管理解决方案(如缩小作物产量差距和实施地膜覆盖)相结合,可显著提高集约化农业地区生产的可持续性。
{"title":"Enhancing agricultural sustainability with water and crop management strategies in modern irrigation and drainage networks","authors":"Seyedeh-Zohreh Hashemi ,&nbsp;Abdullah Darzi-Naftchali ,&nbsp;Fatemeh Karandish ,&nbsp;Henk Ritzema ,&nbsp;Karim Solaimani","doi":"10.1016/j.agwat.2024.109110","DOIUrl":"10.1016/j.agwat.2024.109110","url":null,"abstract":"<div><div>Improving global food security hinges on achieving sustainable agricultural production within independent irrigation and drainage units, considering the availability of sustainable water resources. This study investigated the potential for enhancing the sustainability of agricultural production in a modern irrigation and drainage network (TIDN) area and evaluated the network's performance under various strategies. These strategies included mulching, transitioning from traditional to drip irrigation, combining mulching with drip irrigation (IDM), and reducing the crop yield gap. Utilizing 2009–2018 data and the AquaCrop model, which was both calibrated and validated, the green and blue water footprints (GWF and BWF) of dominant crops in the region's cropping pattern were assessed. The crop cultivation was prioritized based on the total and unit unsustainable BWF. The performance of TIDN was evaluated using indicators of reliability, vulnerability, system deficiency, flexibility, and sustainability. The drip irrigation had the most significant impact on reducing BWF, while mulching was more effective in decreasing GWF. The adoption of IDM led to a total annual water savings of 382.4 m<sup>3</sup> ha<sup>−1</sup>. The 10-year average reductions in BWF from May to August ranged from 1.7 to 3.1 MCM, with approximately 88–93 % of these savings attributed to decreased water consumption in rice fields. Mulch, drip, and IDM decreased the BWF by 3.3 %, 9.4 %, and 10.2 %, respectively, compared to current conditions. The study revealed that the expansion of rice cultivation under conventional flooding irrigation was incompatible with the sustainable blue water resources available, and replacing rice with wheat could reduce the unsustainable BWF by 95–100 %. Compared to current conditions, IDM improved network sustainability by 1.2 %, while closing the yield gap improved the indicator by 24 %. The findings suggest that combining infrastructural solutions, such as updating irrigation systems, with farm management solutions, such as reducing crop yield gaps and implementing mulching, can significantly enhance the sustainability of production in intensively agricultural areas.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":""},"PeriodicalIF":5.9,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated effects of polyethylene/biodegradable residual film on soil hydrothermal conditions and spring maize growth in rain-fed dryland 聚乙烯/生物降解残留膜对雨水灌溉旱地土壤水热条件和春玉米生长的综合影响
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-16 DOI: 10.1016/j.agwat.2024.109103
Guixin Zhang , Shibo Zhang , Zhenqing Xia , Jingxuan Bai , Mengke Wu , Haidong Lu
Mulch technology has significantly enhanced agricultural production in arid and semi-arid regions worldwide. However, the long-term use of traditional plastic mulch has caused environmental concerns due to persistent residues. Biodegradable mulch offers a potential solution to these issues. But little is known about the effects of different residual films on soil hydrothermal properties, and how this ultimately drives maize growth and yield formation. To address this gap, we conducted a two-year field experiment involving low-density polyethylene film (LDPE) and polylactic acid film (PLA), at three residual levels (75 kg ha−1,150 kg ha−1, and 300 kg ha−1), with a control having no residual film. Our findings showed that increased amounts of residual film increased soil bulk density and decreased soil porosity, leading to decreased soil water storage and increased soil temperature. The structure equation model indicated that these deteriorated soil hydrothermal conditions hindered maize root growth, resulting in lower yield and hydrothermal use efficiency. In the second year of this experiment, the film mass density of PLA treatments declined significantly compared to LDPE, leading to fewer adverse effects on soil physical structure, moisture, and temperature. Betters soil hydrothermal environment favor maize biomass accumulation and yield formation. Compared to LDPE treatments, the grain yield, water use efficiency, and soil accumulated temperature use efficiency of PLA treatments increased by an average of 3.98 %, 3.86 %, and 4.42 %. Therefore, we recommend eco-safe PLA mulch as a sustainable alternative to LDPE mulch for maize production in arid and semi-arid areas.
地膜覆盖技术大大提高了全球干旱和半干旱地区的农业产量。然而,长期使用传统塑料地膜会产生持久残留物,引起环境问题。生物降解地膜为解决这些问题提供了一个潜在的解决方案。但人们对不同残留膜对土壤水热性质的影响,以及这种影响最终如何推动玉米生长和产量形成知之甚少。为了填补这一空白,我们进行了一项为期两年的田间试验,试验涉及低密度聚乙烯薄膜(LDPE)和聚乳酸薄膜(PLA)的三种残留量(75 千克/公顷-1、150 千克/公顷-1 和 300 千克/公顷-1),对照组没有残留薄膜。我们的研究结果表明,残膜量的增加会增加土壤容重,降低土壤孔隙度,导致土壤蓄水量减少和土壤温度升高。结构方程模型表明,这些恶化的土壤水热条件阻碍了玉米根系的生长,导致产量和水热利用效率降低。在实验的第二年,与低密度聚乙烯相比,聚乳酸处理的薄膜质量密度显著下降,从而减少了对土壤物理结构、水分和温度的不利影响。更好的土壤水热环境有利于玉米生物量的积累和产量的形成。与低密度聚乙烯处理相比,聚乳酸处理的谷物产量、水分利用率和土壤积温利用率平均提高了 3.98 %、3.86 % 和 4.42 %。因此,我们建议在干旱和半干旱地区使用生态安全的聚乳酸地膜作为低密度聚乙烯地膜的可持续替代品。
{"title":"Integrated effects of polyethylene/biodegradable residual film on soil hydrothermal conditions and spring maize growth in rain-fed dryland","authors":"Guixin Zhang ,&nbsp;Shibo Zhang ,&nbsp;Zhenqing Xia ,&nbsp;Jingxuan Bai ,&nbsp;Mengke Wu ,&nbsp;Haidong Lu","doi":"10.1016/j.agwat.2024.109103","DOIUrl":"10.1016/j.agwat.2024.109103","url":null,"abstract":"<div><div>Mulch technology has significantly enhanced agricultural production in arid and semi-arid regions worldwide. However, the long-term use of traditional plastic mulch has caused environmental concerns due to persistent residues. Biodegradable mulch offers a potential solution to these issues. But little is known about the effects of different residual films on soil hydrothermal properties, and how this ultimately drives maize growth and yield formation. To address this gap, we conducted a two-year field experiment involving low-density polyethylene film (LDPE) and polylactic acid film (PLA), at three residual levels (75 kg ha<sup>−1</sup>,150 kg ha<sup>−1</sup>, and 300 kg ha<sup>−1</sup>), with a control having no residual film. Our findings showed that increased amounts of residual film increased soil bulk density and decreased soil porosity, leading to decreased soil water storage and increased soil temperature. The structure equation model indicated that these deteriorated soil hydrothermal conditions hindered maize root growth, resulting in lower yield and hydrothermal use efficiency. In the second year of this experiment, the film mass density of PLA treatments declined significantly compared to LDPE, leading to fewer adverse effects on soil physical structure, moisture, and temperature. Betters soil hydrothermal environment favor maize biomass accumulation and yield formation. Compared to LDPE treatments, the grain yield, water use efficiency, and soil accumulated temperature use efficiency of PLA treatments increased by an average of 3.98 %, 3.86 %, and 4.42 %. Therefore, we recommend eco-safe PLA mulch as a sustainable alternative to LDPE mulch for maize production in arid and semi-arid areas.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":"Article 109103"},"PeriodicalIF":5.9,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soil moisture influences wheat yield by affecting root growth and the composition of microbial communities under drip fertigation 滴灌施肥条件下,土壤水分通过影响根系生长和微生物群落组成来影响小麦产量
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-16 DOI: 10.1016/j.agwat.2024.109102
Xin Zhang , Yang Liu , Ziye Zhang , Qing Liang , Guiyan Wang
Water scarcity is a global problem constraining crop production worldwide. Winter wheat is northern China’s biggest agricultural crop, but has a high water demand. The effects of different irrigation methods on water and N fertilizer productivity, crop yield, and root-soil-microbe interactions are not yet unclear. In this study, field experiments were conducted for two consecutive winter wheat seasons using four irrigation methods, namely surface drip irrigation (DI), subsurface drip irrigation (SDI), alternate partial rootzone irrigation (PRI), and flood irrigation (FP). The characteristics of soil conditions, root growth, microbial community structure, and grain yield were all measured, as well as water-to-N-use efficiency. Irrigation type significantly affected root growth, relative water content (RWC) in flag leaves, biomass and N content in stems, and the Shannon and ACE indices of bacteria and fungi. Compared with FP, SDI significantly increased root length, total projected area (TPA), and total surface area (TSA) by 121.1 %, 26.3 %, and 69.6 %, respectively. In contrast, DI significantly increased the weight, natural water content, and RWC of flag leaves by 28.8 %, 28.3 %, and 92.9 %, respectively. As compared to FP, DI increased LAI by 31.3 %, and PRI increased SPAD by 18.6 %. Drip irrigation increased the relative abundances of Actinobacteriota (dominant in bacteria, P<0.05) and Ascomycota (dominant in fungi, P<0.05). Soil moisture and root length were the main contributors that affected soil microbial communities. Correlation analysis revealed that increased moisture levels suppressed bacterial abundance, but improved fungal abundance. Additionally, root length, TPA, and TSA were positively correlated with yield. Unfortunately, the lowest yield was found in PRI during 2021 – 2022 in all treatments. Therefore, SDI improved root growth, the abundance of dominant bacterial communities, wheat yield, and water-N-use efficiency, which all contributed toward reducing irrigation water required for proper application.
缺水是一个全球性问题,制约着全世界的农作物生产。冬小麦是中国北方最大的农作物,但需水量大。不同灌溉方法对水和氮肥生产率、作物产量以及根-土-微生物相互作用的影响尚不清楚。本研究采用四种灌溉方法,即地表滴灌(DI)、地下滴灌(SDI)、交替部分根区灌溉(PRI)和漫灌(FP),连续进行了两季冬小麦田间试验。对土壤条件特征、根系生长、微生物群落结构、谷物产量以及水-氮利用效率进行了测定。灌溉类型对根系生长、旗叶相对含水量(RWC)、茎秆生物量和氮含量以及细菌和真菌的香农指数和 ACE 指数有明显影响。与 FP 相比,SDI 显著增加了根长、总投影面积(TPA)和总表面积(TSA),增幅分别为 121.1%、26.3% 和 69.6%。相比之下,DI 能明显增加旗叶的重量、天然含水量和 RWC,增幅分别为 28.8 %、28.3 % 和 92.9 %。与 FP 相比,DI 使 LAI 增加了 31.3%,PRI 使 SPAD 增加了 18.6%。滴灌增加了放线菌群(在细菌中占优势,P<0.05)和子囊菌群(在真菌中占优势,P<0.05)的相对丰度。土壤湿度和根系长度是影响土壤微生物群落的主要因素。相关分析表明,湿度的增加抑制了细菌的丰度,但提高了真菌的丰度。此外,根长、TPA 和 TSA 与产量呈正相关。遗憾的是,2021-2022 年期间,PRI 的产量在所有处理中最低。因此,SDI 改善了根系生长、优势细菌群落丰度、小麦产量和水-氮利用效率,这些都有助于减少适当施肥所需的灌溉用水量。
{"title":"Soil moisture influences wheat yield by affecting root growth and the composition of microbial communities under drip fertigation","authors":"Xin Zhang ,&nbsp;Yang Liu ,&nbsp;Ziye Zhang ,&nbsp;Qing Liang ,&nbsp;Guiyan Wang","doi":"10.1016/j.agwat.2024.109102","DOIUrl":"10.1016/j.agwat.2024.109102","url":null,"abstract":"<div><div>Water scarcity is a global problem constraining crop production worldwide. Winter wheat is northern China’s biggest agricultural crop, but has a high water demand. The effects of different irrigation methods on water and N fertilizer productivity, crop yield, and root-soil-microbe interactions are not yet unclear. In this study, field experiments were conducted for two consecutive winter wheat seasons using four irrigation methods, namely surface drip irrigation (DI), subsurface drip irrigation (SDI), alternate partial rootzone irrigation (PRI), and flood irrigation (FP). The characteristics of soil conditions, root growth, microbial community structure, and grain yield were all measured, as well as water-to-N-use efficiency. Irrigation type significantly affected root growth, relative water content (RWC) in flag leaves, biomass and N content in stems, and the Shannon and ACE indices of bacteria and fungi. Compared with FP, SDI significantly increased root length, total projected area (TPA), and total surface area (TSA) by 121.1 %, 26.3 %, and 69.6 %, respectively. In contrast, DI significantly increased the weight, natural water content, and RWC of flag leaves by 28.8 %, 28.3 %, and 92.9 %, respectively. As compared to FP, DI increased LAI by 31.3 %, and PRI increased SPAD by 18.6 %. Drip irrigation increased the relative abundances of <em>Actinobacteriota</em> (dominant in bacteria, P&lt;0.05) and <em>Ascomycota</em> (dominant in fungi, P&lt;0.05). Soil moisture and root length were the main contributors that affected soil microbial communities. Correlation analysis revealed that increased moisture levels suppressed bacterial abundance, but improved fungal abundance. Additionally, root length, TPA, and TSA were positively correlated with yield. Unfortunately, the lowest yield was found in PRI during 2021 – 2022 in all treatments. Therefore, SDI improved root growth, the abundance of dominant bacterial communities, wheat yield, and water-N-use efficiency, which all contributed toward reducing irrigation water required for proper application.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":"Article 109102"},"PeriodicalIF":5.9,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving sustainability of rice-canola rotation through water and nitrogen management in a humid region 在湿润地区通过水氮管理提高水稻-油菜轮作的可持续性
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-14 DOI: 10.1016/j.agwat.2024.109106
Bahareh Shamgani-Mashhadi , Mehdi Nadi , Abdullah Darzi-Naftchali , Saeid Shiukhy Soqanloo
Intensive cropping systems face significant environmental and economic challenges due to current water and nutrient management practices. This study addresses the limited research on optimizing these practices in rice-canola rotations, focusing on enhancing sustainability through improved water and nitrogen (N) management. Utilizing the DSSAT crop growth model, we evaluated three irrigation scenarios for rice- I1 (100 % irrigation requirement: IR), I2 (80 % IR), and I3 (60 % IR)-alongside three N application levels: N1 (30 % below RAN: regional average N), N2 (RAN), and N3 (30 % above RAN). Key sustainability indicators, including water productivity (WP), nitrogen use efficiency (NUE), and economic productivity, were analyzed. The DSSAT model demonstrated strong predictive accuracy, with yield differences of only 236 kg ha⁻¹ for rice and 121 kg ha⁻¹ for canola between observed and simulated values. A 40 % reduction in water use increased rice yield to a maximum of 5654 kg ha⁻¹ under I3N2 conditions. Additionally, this reduction in water consumption resulted in a 27 % decrease in production costs, significantly enhancing WP, net benefits, and gross benefits of rice by 46.7 %, 43.1 %, and 47.9 %, respectively. Conversely, a 30 % increase in N application for canola correlated with a 9 % yield increase, underscoring the importance of tailored N strategies. Furthermore, N3 raised WP, NUE, net benefits, and gross benefits of canola by 6.7 %, 1.4 %, 9.1 %, and 9.2 %, respectively, compared with current N application level. Overall, this study illustrates the potential for substantial water savings in rice cultivation while recommending stable or reduced N application levels. These management strategies enhance farm performance, lower production costs, and contribute to the sustainability of rice-canola cropping systems, promoting both agricultural productivity and environmental stewardship.
由于目前的水分和养分管理方法,密集型种植系统面临着巨大的环境和经济挑战。本研究针对水稻-油菜轮作中优化这些措施的有限研究进行了探讨,重点是通过改进水和氮管理来提高可持续性。利用 DSSAT 作物生长模型,我们评估了水稻的三种灌溉方案--I1(100% 灌溉要求:IR)、I2(80% IR)和 I3(60% IR)--以及三种氮肥施用水平:N1(低于 RAN:地区平均氮含量的 30%)、N2(RAN)和 N3(高于 RAN 的 30%)。分析了关键的可持续性指标,包括水分生产率(WP)、氮利用效率(NUE)和经济生产率。DSSAT 模型显示出很高的预测准确性,观测值与模拟值之间的产量差异仅为:水稻 236 千克/公顷-¹,油菜籽 121 千克/公顷-¹。在 I3N2 条件下,如果用水量减少 40%,水稻产量最高可达 5654 千克/公顷。此外,用水量的减少导致生产成本下降 27%,水稻的可湿性粉剂、净效益和总效益分别显著提高 46.7%、43.1% 和 47.9%。相反,油菜籽氮肥施用量增加 30%,产量增加 9%,这突出表明了因地制宜的氮肥策略的重要性。此外,与目前的氮施用水平相比,氮3可使油菜籽的WP、NUE、净效益和总效益分别提高6.7%、1.4%、9.1%和9.2%。总之,本研究说明了在水稻种植中大量节水的潜力,同时建议稳定或减少氮的施用量。这些管理策略提高了农场绩效,降低了生产成本,有助于水稻-油菜种植系统的可持续发展,同时提高了农业生产率和环境管理水平。
{"title":"Improving sustainability of rice-canola rotation through water and nitrogen management in a humid region","authors":"Bahareh Shamgani-Mashhadi ,&nbsp;Mehdi Nadi ,&nbsp;Abdullah Darzi-Naftchali ,&nbsp;Saeid Shiukhy Soqanloo","doi":"10.1016/j.agwat.2024.109106","DOIUrl":"10.1016/j.agwat.2024.109106","url":null,"abstract":"<div><div>Intensive cropping systems face significant environmental and economic challenges due to current water and nutrient management practices. This study addresses the limited research on optimizing these practices in rice-canola rotations, focusing on enhancing sustainability through improved water and nitrogen (N) management. Utilizing the DSSAT crop growth model, we evaluated three irrigation scenarios for rice- I1 (100 % irrigation requirement: IR), I2 (80 % IR), and I3 (60 % IR)-alongside three N application levels: N1 (30 % below RAN: regional average N), N2 (RAN), and N3 (30 % above RAN). Key sustainability indicators, including water productivity (WP), nitrogen use efficiency (NUE), and economic productivity, were analyzed. The DSSAT model demonstrated strong predictive accuracy, with yield differences of only 236 kg ha⁻¹ for rice and 121 kg ha⁻¹ for canola between observed and simulated values. A 40 % reduction in water use increased rice yield to a maximum of 5654 kg ha⁻¹ under I3N2 conditions. Additionally, this reduction in water consumption resulted in a 27 % decrease in production costs, significantly enhancing WP, net benefits, and gross benefits of rice by 46.7 %, 43.1 %, and 47.9 %, respectively. Conversely, a 30 % increase in N application for canola correlated with a 9 % yield increase, underscoring the importance of tailored N strategies. Furthermore, N3 raised WP, NUE, net benefits, and gross benefits of canola by 6.7 %, 1.4 %, 9.1 %, and 9.2 %, respectively, compared with current N application level. Overall, this study illustrates the potential for substantial water savings in rice cultivation while recommending stable or reduced N application levels. These management strategies enhance farm performance, lower production costs, and contribute to the sustainability of rice-canola cropping systems, promoting both agricultural productivity and environmental stewardship.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"305 ","pages":"Article 109106"},"PeriodicalIF":5.9,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of water productivity and irrigated area expansion on irrigation water consumption and food production in China in last four decades 过去四十年水生产力和灌溉面积扩大对中国灌溉用水量和粮食产量的影响
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-13 DOI: 10.1016/j.agwat.2024.109100
Xiaojin Li , Yonghui Yang , Xinyao Zhou , Linlin Liu , Yanmin Yang , Shumin Han , Yinsheng Zhang
Water shortage caused by irrigation has been widely concerned around the world. Despite the application of various water-saving technologies to improve irrigation efficiency and water productivity, irrigation water consumption is still high or even rising in some regions due to land expansion. Similarly, China has substantially increased the application of water saving technology in recent decades but water shortage are still remained. The aim of this research is to clarify how water productivity and irrigated area expansion have affected irrigation water consumption and food production using satellite-based evapotranspiration and gross primary productivity data over the past decades. The results clarify the significant contribution of irrigated area expansion to the increase of irrigation water consumption and highlight the importance of water productivity in slowing down the increase of irrigation water. Spatially, the contributions of the two factors are different in each sub-region. In Northeast China, 65.10 % of the increase in irrigation water was caused by irrigated area expansion, while 27.97 %, 17.31 % and 12.95 % respectively in the upper and middle reaches of the Yellow River, Xinjiang and Southwest China, resulting in a significant irrigation water increase in these four sub-regions. Contrarily, in Huang-Huai-Hai Plain, although land expanded by 23.5 %, irrigation water consumption increased only by 4.1 % due to 44.7 % of increase in irrigation water productivity. For the whole China, from 1982 to 2017, driven by the 44.5 % increase in national irrigation water productivity, irrigation water consumption only increased by 34.8 %, while gross primary productivity increased by 94.8 %. This study illustrates the crucial role of water-saving technology and irrigated area expansion played in ensuring China’s water and food security. It suggests that water saving and increasing water supply are equally important for China’s future agricultural water management.
灌溉造成的水资源短缺问题已引起世界各国的广泛关注。尽管各种节水技术的应用提高了灌溉效率和水分生产率,但由于土地扩张,一些地区的灌溉用水量仍然很高,甚至还在上升。同样,中国近几十年来大幅增加了节水技术的应用,但水资源短缺问题依然存在。本研究旨在利用过去几十年基于卫星的蒸散量和总初级生产力数据,阐明水生产力和灌溉面积扩大如何影响灌溉用水量和粮食产量。研究结果阐明了灌溉面积扩大对灌溉用水量增加的重要贡献,并强调了水生产力对减缓灌溉用水量增加的重要性。从空间上看,这两个因素在各次区域的贡献率不同。在东北地区,65.10%的灌溉用水增量是由灌溉面积扩大引起的,而在黄河上中游、新疆和西南地区则分别为 27.97%、17.31%和 12.95%,因此这四个次区域的灌溉用水增幅较大。相反,在黄淮海平原,虽然土地面积扩大了 23.5%,但由于灌溉水生产力提高了 44.7%,灌溉用水量仅增加了 4.1%。就全中国而言,1982-2017 年,在全国灌溉用水生产率增长 44.5%的推动下,灌溉用水量仅增长了 34.8%,而总初级生产力却增长了 94.8%。这项研究说明了节水技术和扩大灌溉面积在确保中国水资源和粮食安全方面发挥的关键作用。研究表明,节水和增加供水对中国未来的农业用水管理同等重要。
{"title":"Impact of water productivity and irrigated area expansion on irrigation water consumption and food production in China in last four decades","authors":"Xiaojin Li ,&nbsp;Yonghui Yang ,&nbsp;Xinyao Zhou ,&nbsp;Linlin Liu ,&nbsp;Yanmin Yang ,&nbsp;Shumin Han ,&nbsp;Yinsheng Zhang","doi":"10.1016/j.agwat.2024.109100","DOIUrl":"10.1016/j.agwat.2024.109100","url":null,"abstract":"<div><div>Water shortage caused by irrigation has been widely concerned around the world. Despite the application of various water-saving technologies to improve irrigation efficiency and water productivity, irrigation water consumption is still high or even rising in some regions due to land expansion. Similarly, China has substantially increased the application of water saving technology in recent decades but water shortage are still remained. The aim of this research is to clarify how water productivity and irrigated area expansion have affected irrigation water consumption and food production using satellite-based evapotranspiration and gross primary productivity data over the past decades. The results clarify the significant contribution of irrigated area expansion to the increase of irrigation water consumption and highlight the importance of water productivity in slowing down the increase of irrigation water. Spatially, the contributions of the two factors are different in each sub-region. In Northeast China, 65.10 % of the increase in irrigation water was caused by irrigated area expansion, while 27.97 %, 17.31 % and 12.95 % respectively in the upper and middle reaches of the Yellow River, Xinjiang and Southwest China, resulting in a significant irrigation water increase in these four sub-regions. Contrarily, in Huang-Huai-Hai Plain, although land expanded by 23.5 %, irrigation water consumption increased only by 4.1 % due to 44.7 % of increase in irrigation water productivity. For the whole China, from 1982 to 2017, driven by the 44.5 % increase in national irrigation water productivity, irrigation water consumption only increased by 34.8 %, while gross primary productivity increased by 94.8 %. This study illustrates the crucial role of water-saving technology and irrigated area expansion played in ensuring China’s water and food security. It suggests that water saving and increasing water supply are equally important for China’s future agricultural water management.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"304 ","pages":""},"PeriodicalIF":5.9,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142420789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mild water deficit at seed filling stage promotes drought-tolerant soybean production formation and flavonoids accumulation 种子灌浆期的轻度缺水可促进耐旱大豆产量的形成和黄酮类化合物的积累
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-13 DOI: 10.1016/j.agwat.2024.109076
Yuwen Xu , He Meng , Di Song , Huimin Wu , Sui Wang , Xiaohong Tong , Yan Jiang , Shaodong Wang
Soybean is an important crop for both grain and oil use. Appropriate agricultural managements increase crop productivity quantity and chemical nutrition quality. This study utilized two soybean varieties HN44(drought-tolerant) and SN14 (drought-sensitive)to analyze mechanism effect of light drought stress on instantaneous water use efficiency(WUEi), yield and isoflavone content by changes in the transcriptome and metabolome during the early seed-filling stage. The results showed that light drought stress can improve WUEi, stimulate the yield potential and increase the content of Daidzin and 6''-O-malonyldaidzin of HN44. In addition, under light drought stress, the differentially expressed genes (DEGs) and differentially accumulated metabolites (DAMs) in HN44 and SN14 were significantly enriched in the biosynthetic pathways of flavonoids and isoflavones. The flavonoid metabolites in HN44 increased, while those in SN14 decreased. Through the different expression patterns of DEGs and DAMs in the two varieties, differential genes and differential metabolites were screened out, such as CHS, HCT, F3H, HIDH, IF7GT, VR, p-coumaroylquinic, and 6''-O-Malonylglycitin. These genes and metabolites can provide theoretical basis for the selection breeding of drought-tolerant soybean varieties and the evaluation of drought-resistant resources. The findings provided important agronomic strategies for improving the yield, bioactive substances, and water resource management of crop soybeans.
大豆是一种重要的粮油作物。适当的农业管理可提高作物的产量和化学营养质量。本研究利用HN44(耐旱)和SN14(干旱敏感)两个大豆品种,通过种子灌浆初期转录组和代谢组的变化,分析光照干旱胁迫对瞬时水分利用效率(WUEi)、产量和异黄酮含量的影响机制。结果表明,光照干旱胁迫能提高HN44的瞬时水分利用效率(WUEi),激发其产量潜力,并增加其大黄素和6''-O-巨黄素的含量。此外,在光照干旱胁迫下,HN44和SN14的差异表达基因(DEGs)和差异积累代谢物(DAMs)在黄酮类化合物和异黄酮类化合物的生物合成途径中显著富集。HN44中的类黄酮代谢物有所增加,而SN14中的类黄酮代谢物则有所减少。通过两个品种中 DEGs 和 DAMs 的不同表达模式,筛选出了差异基因和差异代谢物,如 CHS、HCT、F3H、HIDH、IF7GT、VR、对香豆酰醌和 6''-O-Malonylglycitin 等。这些基因和代谢物可为抗旱大豆品种选育和抗旱资源评价提供理论依据。这些发现为提高作物大豆的产量、生物活性物质和水资源管理提供了重要的农艺学策略。
{"title":"Mild water deficit at seed filling stage promotes drought-tolerant soybean production formation and flavonoids accumulation","authors":"Yuwen Xu ,&nbsp;He Meng ,&nbsp;Di Song ,&nbsp;Huimin Wu ,&nbsp;Sui Wang ,&nbsp;Xiaohong Tong ,&nbsp;Yan Jiang ,&nbsp;Shaodong Wang","doi":"10.1016/j.agwat.2024.109076","DOIUrl":"10.1016/j.agwat.2024.109076","url":null,"abstract":"<div><div>Soybean is an important crop for both grain and oil use. Appropriate agricultural managements increase crop productivity quantity and chemical nutrition quality. This study utilized two soybean varieties HN44(drought-tolerant) and SN14 (drought-sensitive)to analyze mechanism effect of light drought stress on instantaneous water use efficiency(WUE<sub>i</sub>), yield and isoflavone content by changes in the transcriptome and metabolome during the early seed-filling stage. The results showed that light drought stress can improve WUE<sub>i</sub>, stimulate the yield potential and increase the content of Daidzin and 6''-O-malonyldaidzin of HN44. In addition, under light drought stress, the differentially expressed genes (DEGs) and differentially accumulated metabolites (DAMs) in HN44 and SN14 were significantly enriched in the biosynthetic pathways of flavonoids and isoflavones. The flavonoid metabolites in HN44 increased, while those in SN14 decreased. Through the different expression patterns of DEGs and DAMs in the two varieties, differential genes and differential metabolites were screened out, such as <em>CHS, HCT, F3H, HIDH, IF7GT, VR</em>, p-coumaroylquinic, and 6''-O-Malonylglycitin. These genes and metabolites can provide theoretical basis for the selection breeding of drought-tolerant soybean varieties and the evaluation of drought-resistant resources. The findings provided important agronomic strategies for improving the yield, bioactive substances, and water resource management of crop soybeans.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"304 ","pages":""},"PeriodicalIF":5.9,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142420671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of water and nitrogen management in wheat cultivation affected by biochar application − Insights into resource utilization and economic benefits 受生物炭应用影响的小麦种植水氮管理优化--对资源利用和经济效益的启示
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-11 DOI: 10.1016/j.agwat.2024.109093
Pengyan Zhang , Maodong Wang , Lianyu Yu , Jiatun Xu , Huanjie Cai
In the context of global climate change and natural resource scarcity, agricultural production is facing multiple challenges in improving crop yields and optimizing natural resource use. It is of great practical significance to optimize agricultural practices to achieve sustainable agricultural development. In this study, a two-year winter wheat field experiment was conducted in the Guanzhong Plain, Shaanxi, China, from 2020 to 2022 to assess the effects of biochar, irrigation, and N fertilizer rates on the yield, water-nitrogen use efficiency, and economic benefits of winter wheat. Specifically, biochar was applied to winter wheat at 30 t ha−1 in combination with two irrigation application rates, including regular irrigation (I100; actual evapotranspiration) and deficit irrigation (I80; 0.8 actual evapotranspiration), and three different N fertilizer rates at 210 (NH; conventional applied N rate by local farmers), 160 (NM; moderate N rate), and 110 kg ha−1 (NL; low N rate). The control groups in this study consisted of experimental plots under the NM and N0 (no N) without biochar application. The aboveground dry matter mass (ADM), yield, and net ecosystem economic budget (NEEB) of winter wheat showed increasing trends with increasing N application rates without significant differences between the NH and NM treatments. On the other hand, the water use efficiency (WUE), agronomic N fertilizer use efficiency (aNUE), and N fertilizer recovery efficiency (NRE) showed increasing-decreasing trends with increasing N fertilizer rates, reaching the highest values under the NM treatment scenario. The biochar addition significantly increased the winter wheat yield and WUE (P<0.05). On the other hand, the I80 treatment resulted in higher WUE and irrigation water use efficiency (IWUE) than those under I100 by 5.63 and 13.52 %, respectively. TOPSIS results indicated that the combined I80B1NM treatment was the optimal winter wheat management practice, maintaining high productivity while improving resource use efficiency and economic benefits. The results of the present study provide an important scientific basis and guidance for ensuring efficient and high-quality agricultural products in the Guanzhong Plain and other regions in China with similar climatic characteristics.
在全球气候变化和自然资源匮乏的背景下,农业生产面临着提高作物产量和优化自然资源利用的多重挑战。优化农业生产方式,实现农业可持续发展具有重要的现实意义。本研究于 2020 年至 2022 年在中国陕西关中平原进行了为期两年的冬小麦田间试验,以评估生物炭、灌溉和氮肥施用量对冬小麦产量、水氮利用效率和经济效益的影响。具体而言,生物炭与两种灌溉施用量(包括常规灌溉(I100;实际蒸发量)和亏缺灌溉(I80;0.8 实际蒸发量))以及三种不同的氮肥施用量(210(NH;当地农民常规施用的氮肥施用量)、160(NM;中等氮肥施用量)和 110 千克/公顷(NL;低氮肥施用量))结合施用于冬小麦,施用量为 30 吨/公顷。本研究的对照组包括未施用生物炭的 NM 和 N0(无氮)试验田。冬小麦的地上部干物质质量(ADM)、产量和生态系统净经济预算(NEEB)随着施氮量的增加而呈上升趋势,但 NH 和 NM 处理之间没有显著差异。另一方面,随着氮肥施用量的增加,水分利用效率(WUE)、农艺氮肥利用效率(aNUE)和氮肥回收效率(NRE)呈递增递减趋势,在 NM 处理方案下达到最高值。生物炭的添加明显提高了冬小麦的产量和水分利用效率(P<0.05)。另一方面,I80 处理的水分利用效率(WUE)和灌溉水利用效率(IWUE)分别比 I100 处理高出 5.63% 和 13.52%。TOPSIS 结果表明,I80B1NM 组合处理是最佳的冬小麦管理方法,既能保持高产,又能提高资源利用效率和经济效益。本研究的结果为确保关中平原及中国其他气候特征相似地区的高效优质农产品提供了重要的科学依据和指导。
{"title":"Optimization of water and nitrogen management in wheat cultivation affected by biochar application − Insights into resource utilization and economic benefits","authors":"Pengyan Zhang ,&nbsp;Maodong Wang ,&nbsp;Lianyu Yu ,&nbsp;Jiatun Xu ,&nbsp;Huanjie Cai","doi":"10.1016/j.agwat.2024.109093","DOIUrl":"10.1016/j.agwat.2024.109093","url":null,"abstract":"<div><div>In the context of global climate change and natural resource scarcity, agricultural production is facing multiple challenges in improving crop yields and optimizing natural resource use. It is of great practical significance to optimize agricultural practices to achieve sustainable agricultural development. In this study, a two-year winter wheat field experiment was conducted in the Guanzhong Plain, Shaanxi, China, from 2020 to 2022 to assess the effects of biochar, irrigation, and N fertilizer rates on the yield, water-nitrogen use efficiency, and economic benefits of winter wheat. Specifically, biochar was applied to winter wheat at 30 t ha<sup>−1</sup> in combination with two irrigation application rates, including regular irrigation (I<sub>100</sub>; actual evapotranspiration) and deficit irrigation (I<sub>80</sub>; 0.8 actual evapotranspiration), and three different N fertilizer rates at 210 (N<sub>H</sub>; conventional applied N rate by local farmers), 160 (N<sub>M</sub>; moderate N rate), and 110 kg ha<sup>−1</sup> (N<sub>L</sub>; low N rate). The control groups in this study consisted of experimental plots under the N<sub>M</sub> and N<sub>0</sub> (no N) without biochar application. The aboveground dry matter mass (ADM), yield, and net ecosystem economic budget (NEEB) of winter wheat showed increasing trends with increasing N application rates without significant differences between the N<sub>H</sub> and N<sub>M</sub> treatments. On the other hand, the water use efficiency (WUE), agronomic N fertilizer use efficiency (aNUE), and N fertilizer recovery efficiency (NRE) showed increasing-decreasing trends with increasing N fertilizer rates, reaching the highest values under the N<sub>M</sub> treatment scenario. The biochar addition significantly increased the winter wheat yield and WUE (P&lt;0.05). On the other hand, the I<sub>80</sub> treatment resulted in higher WUE and irrigation water use efficiency (IWUE) than those under I<sub>100</sub> by 5.63 and 13.52 %, respectively. TOPSIS results indicated that the combined I<sub>80</sub>B<sub>1</sub>N<sub>M</sub> treatment was the optimal winter wheat management practice, maintaining high productivity while improving resource use efficiency and economic benefits. The results of the present study provide an important scientific basis and guidance for ensuring efficient and high-quality agricultural products in the Guanzhong Plain and other regions in China with similar climatic characteristics.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"304 ","pages":"Article 109093"},"PeriodicalIF":5.9,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142420790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-invasive detection methods for subsurface drainage systems: A comparative review 地下排水系统的非侵入式检测方法:比较综述
IF 5.9 1区 农林科学 Q1 AGRONOMY Pub Date : 2024-10-11 DOI: 10.1016/j.agwat.2024.109099
Jonas S. Wienken, Görres J. Grenzdörffer
The widespread use of subsurface drainage systems in agricultural landscapes over the last century has significantly enhanced land productivity, particularly in humid regions. However, many drainage systems have deteriorated or become non-functional, posing challenges in their maintenance and precise localization. Apart from this, agricultural drainage has also raised environmental concerns due to potential nutrient leaching and water quality issues over time. This review explores the state of the art of various methods to detect and map subsurface drainage networks, considering the impending complications associated with aging drainage infrastructure.
A comprehensive analysis of existing literature reveals a limited number of scientific publications addressing non-invasive drainage detection methods. Among the examined techniques - including geophysical and remote sensing-based approaches - no single method consistently demonstrates high success rates in drainage detection. Nonetheless, a combination of ground penetrating radar and unmanned aerial vehicle technologies with RGB and thermal infrared imagery emerges as a promising approach.
Looking ahead, urgent efforts are required to develop holistic and efficient detection methodologies to address the imminent challenges posed by aging drainage systems. Effective non-invasive detection methods are crucial to ensure the sustainability and productivity of agricultural landscapes affected by subsurface drainage networks.
上个世纪,地下排水系统在农业景观中的广泛使用大大提高了土地生产力,尤其是在潮湿地区。然而,许多排水系统已经老化或无法使用,给维护和精确定位带来了挑战。除此之外,农业排水系统随着时间的推移可能产生的养分沥滤和水质问题也引发了环境问题。考虑到与排水基础设施老化相关的复杂问题迫在眉睫,本综述探讨了探测和绘制地下排水网络的各种方法的最新进展。对现有文献进行全面分析后发现,涉及非侵入式排水探测方法的科学出版物数量有限。在所研究的技术(包括基于地球物理和遥感的方法)中,没有任何一种方法能始终保持较高的排水检测成功率。尽管如此,地面穿透雷达和无人飞行器技术与 RGB 和热红外图像的结合仍是一种很有前景的方法。展望未来,迫切需要努力开发全面、高效的检测方法,以应对老化排水系统带来的迫在眉睫的挑战。有效的非侵入式检测方法对于确保受地下排水网络影响的农业景观的可持续性和生产力至关重要。
{"title":"Non-invasive detection methods for subsurface drainage systems: A comparative review","authors":"Jonas S. Wienken,&nbsp;Görres J. Grenzdörffer","doi":"10.1016/j.agwat.2024.109099","DOIUrl":"10.1016/j.agwat.2024.109099","url":null,"abstract":"<div><div>The widespread use of subsurface drainage systems in agricultural landscapes over the last century has significantly enhanced land productivity, particularly in humid regions. However, many drainage systems have deteriorated or become non-functional, posing challenges in their maintenance and precise localization. Apart from this, agricultural drainage has also raised environmental concerns due to potential nutrient leaching and water quality issues over time. This review explores the state of the art of various methods to detect and map subsurface drainage networks, considering the impending complications associated with aging drainage infrastructure.</div><div>A comprehensive analysis of existing literature reveals a limited number of scientific publications addressing non-invasive drainage detection methods. Among the examined techniques - including geophysical and remote sensing-based approaches - no single method consistently demonstrates high success rates in drainage detection. Nonetheless, a combination of ground penetrating radar and unmanned aerial vehicle technologies with RGB and thermal infrared imagery emerges as a promising approach.</div><div>Looking ahead, urgent efforts are required to develop holistic and efficient detection methodologies to address the imminent challenges posed by aging drainage systems. Effective non-invasive detection methods are crucial to ensure the sustainability and productivity of agricultural landscapes affected by subsurface drainage networks.</div></div>","PeriodicalId":7634,"journal":{"name":"Agricultural Water Management","volume":"304 ","pages":"Article 109099"},"PeriodicalIF":5.9,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142420674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Agricultural Water Management
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1