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Potential Use of Wheat Straw, Grape Pomace, Olive Mill Wastewater and Cheese Whey in Mixed Formulations for Silage Production 麦草、葡萄渣、橄榄废水和奶酪乳清在混合配方青贮饲料生产中的潜在用途
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-05 DOI: 10.3390/agronomy13092323
A. D’Alessandro, Roberta Savina Dibenedetto, Ioannis Skoufos, G. Martemucci
Two experiments were conducted to investigate the chemical and fermentative characteristics of by-product-mixed silages consisting of wheat straw (WS), grape pomace (GP), olive mill wastewater (OMWW) and cheese whey (CW) at 7, 30 and 90 days. The silage formulations were based on a ratio of 60% solids (WS + GP) and 40% liquids (CW + OMWW), with the addition of water (W) where necessary to achieve 40% of liquids. In experiment 1, the effects of the inclusion of GP or CW in a mixture of WS and OMWW were studied according to two silage formulations: SIL-A, WS40% + OMWW5% + GP20% + W35%; SIL-B, WS60% + OMWW5% + CW35%. In experiment 2, the effects of two levels of CW and the inclusion of OMWW in mixed silages based on WS, GP, and CW were studied according to four silage formulations: SIL-C, WS40% + GP20% + CW20% + W20%; SIL-D, WS40% + GP20% + CW20% + OMWW5% + W15%; SIL-E, WS40% + GP20% + CW35% + W5%; SIL-F, WS40% + GP20% + CW35% + OMWW5%. In experiment 1, the silage formulation affected the chemical composition showing a greater (p < 0.05) content of DM in SIL-B; crude protein, ether extract and ADL contents were higher (p < 0.05) in SIL-A. In experiment 2, no differences (p > 0.05) in the chemical characteristics of the silages were found. In both of the experiments, the chemical composition and total phenol content did not change (p > 0.05) during the ensiling period. Fermentative characteristics were not affected (p > 0.05) by the by-product combination nor the ensiling period and proved to be adequate for good-quality silages. The Flieg’s scores at D30 and D90 were greater than a 100 score in all the experimental silages, leading to the conclusion that WS, GP, OMWW and CW can be effective for producing silage.
通过两个实验研究了由麦秆(WS)、葡萄渣(GP)、橄榄废水(OMWW)和干酪乳清(CW)组成的副产物混合硅烷在第7、30和90天的化学和发酵特性。青贮饲料配方基于60%固体(WS+GP)和40%液体(CW+OMWW)的比例,必要时添加水(W)以达到40%的液体。在实验1中,根据两种青贮配方:SIL-a、WS40%+OMWW5%+GP20%+W35%,研究了在WS和OMWW的混合物中加入GP或CW的效果;SIL-B,WS60%+OMWW5%+CW35%。在实验2中,根据四种青贮配方:SIL-C、WS40%+GP20%+CW20%+WS、GP和CW,研究了两种水平的CW和OMWW在混合青贮中的掺入效果;SIL-D,WS40%+GP20%+CW20%+OMWW5%+W15%;SIL-E,WS40%+GP20%+CW35%+W5%;SIL-F,WS40%+GP20%+CW35%+OMWW5%。在实验1中,青贮饲料配方对化学成分的影响表明,SIL-B中DM含量更高(p<0.05);SIL-A中粗蛋白、乙醚提取物和ADL含量较高(p<0.05)。在实验2中,未发现硅烷的化学特性的差异(p>0.05)。在两个实验中,青贮期间化学成分和总酚含量没有变化(p>0.05)。发酵特性不受副产物组合和青贮期的影响(p>0.05),证明适合生产优质青贮饲料。在所有实验性青贮饲料中,Flieg在D30和D90的得分均大于100分,从而得出WS、GP、OMWW和CW可有效生产青贮饲料的结论。
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引用次数: 0
Effect of Pesticides and a Long-Life Inoculant on Nodulation Process and Soybean Seed Quality during Storage 农药和长效接种剂对大豆种子结瘤过程和贮藏品质的影响
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-05 DOI: 10.3390/agronomy13092322
Rodrigo S. Araújo, Gisele C. Silva, Itamar Rosa Teixeira, Guilherme R. Silva, Bruna Mayara F. Souza, I. A. Devilla, M. E. Araujo, Paulo C. Corrêa
Inoculants containing strains of bacteria that fix atmospheric N that are tolerant or resistant to chemical products commonly used in seed treatment are classified as long-life inoculants, which contribute to improving the efficiency of nodulating bacteria in soybean crops. The objective of this work was to evaluate the effects of applying commonly used pesticides in seed treatment and a long-life inoculant, alone or in combination, on the nodulation process and seed quality of soybeans during storage. The first experiment was carried out in a greenhouse using a completely randomized design, in an 8 × 2 factorial arrangement, with three replications. The treatments consisted of applications of industrial seed treatments: control, MaximAdvanced, Fortenza, long-life inoculant, MaximAdvanced + Fortenza, MaximAdvanced + long-life inoculant, Fortenza + long-life inoculant, and MaximAdvanced + Fortenza + long-life inoculant. The seeds were sown in pots containing soils from two crop areas. The second experiment was carried out in a laboratory, using a completely randomized design in an 8 × 7 factorial arrangement, with four replications. The treatments consisted of the same eight treatments used in the greenhouse experiment, which were applied before packaging and storing the seeds for two months. The industrial seed treatment with the mixture of fungicide, insecticide, and inoculants improved the soybean photosynthesis and nodulation processes, regardless of the history of the area. Soybean seeds can be stored for commercial purposes for up to 40 days, regardless of the seed treatment with fungicide, insecticide, and long-life inoculant applied alone or in combination.
含有固定大气氮的细菌菌株的接种剂对种子处理中常用的化学产品具有耐受或抗性,被归类为长寿命接种剂,这有助于提高大豆作物中结瘤细菌的效率。本研究的目的是评价在种子处理中单独或联合施用常用农药和长效接种剂对大豆贮藏期间结瘤过程和种子品质的影响。第一个试验在温室中进行,采用完全随机设计,采用8 × 2因子安排,重复3次。这些处理包括工业种子处理的应用:对照、MaximAdvanced、Fortenza、长寿命孕育剂、MaximAdvanced + Fortenza、MaximAdvanced +长寿命孕育剂、Fortenza +长寿命孕育剂、MaximAdvanced + Fortenza +长寿命孕育剂和MaximAdvanced + Fortenza +长寿命孕育剂。种子被播种在装有来自两个种植区土壤的花盆里。第二个实验在实验室进行,采用8 × 7因子安排的完全随机设计,有4个重复。这些处理包括温室试验中使用的相同的八种处理,在包装和储存种子两个月之前进行处理。不管该地区的历史如何,用杀菌剂、杀虫剂和接种剂混合的工业种子处理改善了大豆的光合作用和结瘤过程。大豆种子无论单独或联合使用杀菌剂、杀虫剂和长效接种剂,都可储存长达40天。
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引用次数: 0
Alleviation of Water-Deficit Stress on Seed Germination of Barley and Fenugreek in a Sandy Soil Using Superabsorbent Polymer 利用高吸水性聚合物缓解干旱胁迫对沙质土壤大麦和胡芦巴种子发芽的影响
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-05 DOI: 10.3390/agronomy13092324
Rehab R. S. Ali, Ibrahim N. Nassar, Ahmed Ghallab, E. Ali, Ahmad I. Alqubaie, M. Rady, A. Awad
Water deficit is one of the major limiting factors of seed crop germination and productivity. Consequently, superabsorbent polymers (SAPs) are among several technologies that enhance water use efficiency, leading to worthy seed germination. The objective of this study was to investigate the potential effect of three rates of SAPs (0.0%, 0.5%, and 1.0% w/w) on the seedling emergence of barley and fenugreek sown in a sandy soil using three replicates in a randomized complete block design. Outdoor pot experiments were conducted in Aswan Province, Egypt. The differences in the final germination percentages (FGPs) were not significant for both seeds, while the application of SAPs enhanced the seedling germination index (GI) with significant differences for both crop seeds. The application of SAP at 0.5% gave the highest GI for barley (2.47 day−1) and fenugreek (2.66 day−1) seeds. The sigmoidal function effectively described the cumulative germination percentage rates for both seeds as a function of time under the SAP levels with R2 greater than 0.992. The maximum rates were 69.4 and 64.6 day−1 for barley and fenugreek seeds at SAP 0.5%, respectively. The corresponding rates for 0.0% SAP were 11 and 12 day−1. The water germination efficiencies (WGE) were 27.76 and 30.04 cm−1 for 0.0% and 0.5% SAP for barley, while they were 23.07 and 29.9 cm−1 for fenugreek. Accordingly, SAPs could represent a promising solution for increasing moisture conservation for seed germination in a sand soil. For strategic management, barley is recommended for growth over fenugreek in a semidried soil.
水分亏缺是影响种子作物发芽和产量的主要限制因素之一。因此,超吸收性聚合物(SAP)是提高水分利用效率的几种技术之一,可使种子发芽。本研究的目的是在随机完全区组设计中使用三个重复,研究三种SAP(0.0%、0.5%和1.0%w/w)对在沙质土壤中播种的大麦和胡芦巴幼苗出苗的潜在影响。户外盆栽实验在埃及阿斯旺省进行。两种作物种子的最终发芽率(FGPs)差异不显著,而施用SAP提高了幼苗发芽指数(GI),两种作物的种子差异显著。施用0.5%的SAP对大麦(2.47天-1)和胡芦巴(2.66天-1)种子的GI最高。S型函数有效地描述了在R2大于0.992的SAP水平下,两种种子的累积发芽率作为时间的函数。在SAP为0.5%时,大麦和胡芦巴种子的最大发芽率分别为69.4和64.6天-1。0.0%SAP的相应发生率分别为11天和12天-1。大麦的水分发芽效率(WGE)分别为27.76和30.04 cm−1(分别为0.0%和0.5%SAP),胡芦巴的水分发芽率分别为23.07和29.9 cm−1。因此,SAPs可以代表一种很有前途的解决方案,用于提高砂土中种子发芽的保湿性。对于战略管理,大麦被建议在半干燥的土壤中生长在胡芦巴上。
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引用次数: 0
Epidemiology and Control of Fungal Diseases in Crop Plants 作物真菌病害的流行病学与防治
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-05 DOI: 10.3390/agronomy13092327
Haiguang Wang
Crop fungal diseases are a major threat to crop health and food security worldwide. The epidemiology is the basis for effective and sustainable control of crop fungal diseases. Safe, effective, sustainable, and eco-friendly disease control measures have important economic, ecological, and social significances. This Special Issue, “Epidemiology and Control of Fungal Diseases of Crop Plants”, collected one communication and nine original research articles focusing on the identification and detection of the causal agents of alfalfa Fusarium root rot, strawberry black spot, and barley leaf stripe; the semantic segmentation of wheat stripe rust images; the image-based identification of wheat stripe rust and wheat leaf rust; the image-based identification of the severity of wheat Fusarium head blight; the development process of vanilla Fusarium wilt; the regional migration of wheat leaf rust pathogen; the early prediction of potato early blight; the screening of alternative fungicides for the control of alfalfa Fusarium root rot; and the biocontrol potential of endophytic fungi to control of cumin root rot, presenting the progress of research on the epidemiology and control of crop fungal diseases. The studies contained in this Special Issue facilitated the development of epidemiology of the related crop fungal diseases and provided some basis for control of the diseases, which is conducive to the sustainable management of these diseases.
作物真菌病害是全球作物健康和粮食安全的主要威胁。流行病学是有效和可持续控制作物真菌病害的基础。安全、有效、可持续、生态友好的疾病控制措施具有重要的经济、生态和社会意义。《作物植物真菌病害的流行病学与防治》特刊收录了苜蓿枯萎病根腐病、草莓黑斑病、大麦叶条病病原的鉴定与检测等1篇通讯和9篇原创研究文章;小麦条锈病图像的语义分割小麦条锈病和叶锈病的图像识别小麦赤霉病严重程度的图像识别;香草枯萎病的发生过程;小麦叶锈病病原的区域迁移马铃薯早疫病的早期预测紫花苜蓿根腐病防治药剂的筛选;以及内生真菌防治孜然根腐病的生物防治潜力,介绍了作物真菌病害的流行病学和防治研究进展。本特刊的研究成果促进了相关作物真菌病害流行病学的发展,为病害的防治提供了一定的依据,有利于病害的可持续管理。
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引用次数: 0
Comprehensive Effects of N Reduction Combined with Biostimulants on N Use Efficiency and Yield of the Winter Wheat–Summer Maize Rotation System 减氮配施生物刺激素对冬小麦-夏玉米轮作系统氮素利用效率和产量的综合影响
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092319
Junji Li, Haiyan Ma, Hongliang Ma, Fang Lei, Dahai He, Xiulan Huang, Hongkun Yang, Gaoqiong Fan
Biostimulants sprayed exogenously boost crop yield and quality. However, the effects of the co-application of biostimulants and fertilizers as base fertilizers in soil are still uncertain. The objective of this study was to investigate the overall effects of reducing N levels in conjunction with the application of biostimulants on the yield formation and N utilization of wheat and maize. Therefore, based on the winter wheat–summer maize rotation system in the modern R&D base of Sichuan Agricultural University, soil enzyme activities, soil inorganic nitrogen dynamic content, crop nitrogen accumulation and transportation, crop yields, and composition were determined. To achieve this, a total of nine treatments were established based on the winter wheat–summer maize rotation system. The experiment included the following treatments: no fertilization (CK0); one-time application of common compound fertilizer (CK1, applied at a rate of 225 kg ha−1); common compound fertilizer as base fertilizer + urea as topdressing fertilizer (CK2, applied at a rate of 225 kg ha−1, base/topdressing, 6/4); biostimulant + common compound fertilizer with 20% or 30% N reduction (jf-20%, jf-30%); biostimulant chelated urea-formaldehyde fertilizer reducing N by 20%, 30%, or 40% (jn-20%, jn-30%, or jn-40%); and biostimulant chelated urea-formaldehyde fertilizer reducing N by 40% and combined with organic fertilizer, thereby totally reducing N by 27% (jny-27%). The results demonstrated that the application of a biostimulant increased the activities of urease, nitrate reductase, and nitrite reductase in the soil of wheat and maize during the flowering stage. At the same time, the amount of residual nitrate and ammonium N in the soil at maturity was reduced. Furthermore, when N application was appropriately reduced, wheat and maize plants treated with jf, jn, and jny showed a significant increase in N assimilation after the flowering stage, resulting in higher N accumulation in the grains at maturity and ultimately improving the yield compared to CK1 and CK2. The combined use of biostimulants also had a significant positive impact on N use efficiency (NUE). During the two-year period, the NUE in the wheat season showed an increase ranging from 6.70% to 24.00% compared to CK1 and from 5.30% to 22.60% compared to CK2. Similarly, in the maize season, the NUE increased by a range of 11.60% to 22.57% compared to CK1 and from 11.78% to 22.75% compared to CK2. Overall, biostimulants enhanced N absorption and transportation by matching crop N requirements in the mid-to-late stages and improved NUE and yield under appropriate N reduction. This study contributes to the design of improved measures for N reduction and yield stabilization in order to promote sustainable agricultural development.
外源喷洒生物刺激素可提高作物产量和品质。然而,生物刺激素与肥料作为基肥在土壤中共同施用的效果仍不确定。本研究旨在探讨降低氮素水平并施用生物刺激素对小麦和玉米产量形成和氮素利用的总体影响。因此,以四川农业大学现代研发基地冬小麦-夏玉米轮作体系为基础,测定了土壤酶活性、土壤无机氮动态含量、作物氮素积累与运输、作物产量和组成。为了实现这一目标,在冬小麦-夏玉米轮作制度的基础上,共建立了9个处理。试验包括:不施肥(CK0)处理;一次性施用普通复混肥(CK1,施用量225 kg ha - 1);普通复合肥作基肥+尿素作追肥(CK2,施用量225 kg ha - 1,基肥/追肥6/4);生物刺激素+普通复混肥减氮20%或30% (jf-20%, jf-30%);生物刺激素螯合脲醛肥料可减少氮素20%、30%或40% (jn-20%、jn-30%或jn-40%);生物刺激素螯合脲甲醛肥减少40%氮,与有机肥配合施用,共减少27%氮(jpy -27%)。结果表明,施用生物刺激素可提高小麦和玉米花期土壤脲酶、硝酸还原酶和亚硝酸盐还原酶的活性。与此同时,成熟期土壤中硝态氮和铵态氮残留量减少。此外,在适当减少施氮量的情况下,与CK1和CK2相比,jf、jn和jny处理的小麦和玉米植株在开花期后的氮素同化显著增加,导致成熟期籽粒氮素积累增加,最终提高产量。生物刺激素联合使用对氮素利用效率(NUE)也有显著的正影响。2 a期内,小麦季节氮肥利用率较CK1提高6.70% ~ 24.00%,较CK2提高5.30% ~ 22.60%。同样,在玉米季节,氮肥利用效率比CK1提高11.60% ~ 22.57%,比CK2提高11.78% ~ 22.75%。总体而言,生物刺激素通过匹配作物中后期的氮素需求来促进氮素的吸收和运输,并在适当减氮的情况下提高氮肥利用效率和产量。本研究有助于设计减氮稳定产量的改良措施,促进农业可持续发展。
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引用次数: 0
Enhancing Maize Yield and Resource Efficiency through Controlled-Release Nitrogen Fertilization on the Semiarid Loess Plateau 黄土半干旱高原控释氮肥提高玉米产量和资源利用效率
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092320
Jianjun Zhang, Gang Zhao, Yi Dang, T. Fan, Lei Wang, Shangzhong Li, Gang Zhou, Setor kwami Fudjoe, Linlin Wang, J. Palta
Drought stress is one of the premier limitations to global agricultural production. Increasing water and nitrogen (N) use efficiencies in dryland agroecosystems to maintain high agricultural output are key responsibilities to assure food security, especially on the semiarid Loess Plateau region of China, as it is one of the important grain production areas in China. The impact of controlled-release urea (CRU) on the soil water content, soil enzyme activities, soil N content, biomass accumulation, grain yield, water use efficiency (WUE), and agronomic use efficiency of N fertilizer (AEN) were examined on the maize production of the rainfed Loess Plateau during 2020–2021. Two-growing-season field treatments at the Zhengyuan Agri-ecological Station, Qingyang, Gansu, including six N treatments, were investigated for maize: a control without N fertilization (CK) and five application proportions of CRU (i.e., 0, 30, 50, 70, and 100%CRU) under a N rate of 225 kg ha−1. Results showed that compared with common urea (0%CRU), on average, CRU applications significantly increased soil enzyme activity related to N conversion and improved biomass accumulation by 4–11% at the silking stage and by 2–12% at the maturity stage, respectively. As the proportion of CRU increased, the grain no. per ear, 100-grain weight, and harvest index first increased and then decreased. Grain yield was increased by 5.3, 11.4, 20.1, and 5.7% under 30, 50, 70 and 100%CRU, respectively, compared to common urea. Compared to common urea, 70%CRU combined with 30% common urea achieved the highest yield. These results indicate that optimal controlled-release N fertilization increases the yield and water and nitrogen use efficiencies of maize, and 70%CRU combined with 30% common urea under a single application of nitrogen fertilizer at sowing was the optimal application proportion of controlled-release urea for increasing water and nitrogen use efficiencies in dryland agroecosystems. The results of this study can provide a theoretical basis for the efficient fertilization of maize on the semiarid Loess Plateau of China.
干旱胁迫是全球农业生产的主要限制之一。提高旱地农业生态系统的水氮利用效率以保持农业高产是保障粮食安全的关键责任,特别是在中国半干旱的黄土高原地区,作为中国重要的粮食产区之一。以2020-2021年黄土高原旱作玉米为试验材料,研究了控释尿素(CRU)对土壤含水量、土壤酶活性、土壤氮含量、生物量积累、籽粒产量、氮肥水分利用效率(WUE)和农艺利用效率(AEN)的影响。在甘肃庆阳正源农业生态站,对2个生长季玉米进行了6个氮肥处理,分别为不施氮肥对照(CK)和施氮量为225 kg ha - 1的5个施氮比例(0、30、50、70和100%)。结果表明,与普通尿素(0%CRU)相比,施用CRU显著提高了吐丝期土壤氮素转化相关酶活性,提高了成熟期生物量积累,平均提高了4-11%;随着CRU比例的增加,籽粒数量增加。单穗百粒重、收获指数均呈现先上升后下降的趋势。施用30%、50%、70%和100%氮肥的籽粒产量分别比普通氮肥增产5.3、11.4、20.1%和5.7%。与普通尿素相比,70%的cru与30%的普通尿素混合产率最高。综上所述,最优控释氮肥可提高玉米产量和水氮利用效率,播期单施氮肥70%CRU配30%普通尿素是提高旱地农业生态系统水氮利用效率的最佳控释尿素施用比例。研究结果可为黄土高原半干旱地区玉米高效施肥提供理论依据。
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引用次数: 0
Genetic Diversity as a Key to Understanding Physiological and Biochemical Mechanisms 遗传多样性是理解生理生化机制的关键
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092315
O. Merah, P. Abhilash, Mohammed Lotfi Gharnaout
Modern agriculture is at the heart of economic and societal functioning for feeding a galloping world population, but also for ensuring a profit for producers, processors, and traders [...]
现代农业是经济和社会功能的核心,不仅要养活不断增长的世界人口,而且要确保生产者、加工商和贸易商的利润。
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引用次数: 0
The Energy and Environmental Evaluation of Maize, Hemp and Faba Bean Multi-Crops 玉米、大麻、蚕豆复合作物的能源与环境评价
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092316
K. Romaneckas, Austėja Švereikaitė, R. Kimbirauskienė, A. Sinkevičienė, Jovita Balandaitė
Agriculture uses a lot of fuel, fertilizers, pesticides and other substances, while emitting large amounts of GHGs. It is important to optimize these inputs and outputs. One such way is by increasing crop biodiversity. For this reason, single crops and mixtures of maize, hemp and faba bean as binary and ternary crops were investigated at the Experimental Station of Vytautas Magnus University, Lithuania. The results showed that consumption of diesel fuel was 31–46% higher than in single and 22–35% higher than in binary cultivations was found in a ternary crop. This had influence on the highest energy input of near twice higher than in maize and hemp single crops and maize+hemp binary crop, but similar with binary crops with faba bean. Despite this, the productivity of the ternary crop and, at the same time, the energy output were 2–5 times higher than in other treatments. This compensated for higher energy inputs and the energy efficiency ratio. In the ternary crop, energy productivity was from 1.1 to 2.8 times higher and net energy was 1.9–5.3 times higher than in other tested cultivations. The highest total GHG emissions were obtained in binary maize+hemp and maize+faba bean cultivations (1729.84 and 2067.33 CO2eq ha−1). Ternary cultivation with the highest energy inputs initiated average GHG emissions of 1541.90 kg ha−1 CO2eq. For higher efficiency, the ternary crop could be sown and harvested in one machine pass. Faba beans should be included in ternary crops, as their biomass makes up a significant part of the total biomass produced. We recommend reviewing the intercropped faba bean seeding rates, as faba bean seeds have a high energy input equivalent.
农业使用大量燃料、化肥、杀虫剂和其他物质,同时排放大量温室气体。优化这些输入和输出非常重要。其中一种方法是增加作物的生物多样性。因此,立陶宛Vytautas Magnus大学实验站对玉米、大麻和蚕豆的单一作物以及二元和三元作物的混合物进行了研究。结果表明,三元作物的柴油消耗量比单一作物高31-46%,比二元作物高22-35%。这对最高能量输入的影响几乎是玉米和大麻单一作物以及玉米+大麻二元作物的两倍,但与蚕豆二元作物相似。尽管如此,三元作物的生产力以及同时的能源输出都是其他处理的2-5倍。这补偿了较高的能量输入和能量效率比。三元作物的能源生产率是其他试验作物的1.1至2.8倍,净能源是其他试验种植的1.9至5.3倍。二元玉米+大麻和玉米+蚕豆种植的温室气体总排放量最高(1729.84和2067.33 CO2eq ha−1)。能源投入最高的三元种植引发了1541.90 kg ha−1 CO2eq的平均温室气体排放。为了提高效率,三元作物可以一次播种和收获。蚕豆应被纳入三元作物,因为它们的生物量占总产量的很大一部分。我们建议审查间作蚕豆的播种率,因为蚕豆种子具有高的能量输入当量。
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引用次数: 0
Field Screening of Diverse Soybean Germplasm to Characterize Their Adaptability under Long-Day Condition 大豆多种种质在长日照条件下适应性的田间筛选
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092317
Reena Rani, Muhammad Arif, S. U. Rahman, Muhammad Hammad, Z. Mukhtar, Muhammad Rizwan, Hussein Shimelis, Ghulam Raza
Soybean is a short-day crop, and its sensitivity to photoperiod is an important trait for its adaptability. Rapid changes in the climate on a global scale could be a threat to future food security. There is a need to increase the heat tolerance of soybean to sustain its production. The availability of global germplasm provides plant breeders with the opportunity to explore the genetic potential of the existing soybean germplasm. For this purpose, a panel of 203 soybean accessions from different global climatic zones was evaluated for adaptability under long-day conditions. Field screening of the soybean germplasm was conducted over two consecutive years, 2016 and 2017, in Faisalabad, Pakistan. This study screened 15 diverse soybean accessions that exhibited economically viable yields in both years, i.e., 1500–2200 kg/ha. Data related to plant height, node number, pods per plant, seeds per plant, seed weight per plant, hundred-grain weight, and total yield were recorded. Two soybean accessions, PI548271 (MG-IV) and PI553039 (MG-IV,) produced the highest yield in both years. The genotypic and phenotypic coefficients of variance, broad-sense heritability, and genetic advances observed in their yields were also high. These results highlight the potential pre-existing genetic variation required to improve the adaptation of soybean to long-day conditions. Some of the accessions identified in the current study could be recommended for general cultivation under long-day and high-temperature conditions.
大豆是一种短日作物,对光周期的敏感性是其适应性的重要特征。全球气候的快速变化可能对未来的粮食安全构成威胁。需要提高大豆的耐热性以维持其生产。全球种质资源的可用性为植物育种家提供了探索现有大豆种质资源遗传潜力的机会。为此,对来自全球不同气候区的203份大豆材料进行了长日照条件下的适应性评估。2016年和2017年,在巴基斯坦费萨拉巴德连续两年进行了大豆种质的田间筛选。这项研究筛选了15种不同的大豆材料,它们在这两年都表现出经济上可行的产量,即1500–2200公斤/公顷。记录了与株高、节数、单株荚数、单株种子、单株种子重量、百粒重和总产量有关的数据。两份大豆材料PI548271(MG-IV)和PI553039(MG-IV)产量均为两年来最高。在产量方面观察到的基因型和表型变异系数、广义遗传力和遗传进步也很高。这些结果突出了提高大豆对长日照条件的适应能力所需的潜在的预先存在的遗传变异。目前研究中确定的一些材料可以推荐在长时间和高温条件下进行一般栽培。
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引用次数: 0
Nutritional, Ethnomedicinal, and Agricultural Significance of Neglected and Underutilized Crops from Eastern Uttar Pradesh, North India 印度北部北方邦东部被忽视和未充分利用作物的营养、民族医学和农业意义
IF 3.7 2区 农林科学 Q1 AGRONOMY Pub Date : 2023-09-04 DOI: 10.3390/agronomy13092318
Ajeet Singh, Amit Kumar Bundela, P. Abhilash
Meeting food and nutritional security needs for a growing population is a global sustainability challenge due to the heavy reliance on a few cultivated crops for dietary requirements across the world. To ensure local food security, it is imperative to diversify dietary options with locally available, neglected, and underutilized crops (NUCs) with nutritional and biocultural significance. In this context, the present study aims to explore the role of NUCs for nutritional, ethnomedicinal, and agricultural relevance in two districts of eastern Uttar Pradesh, i.e., Mirzapur and Sonebhadra. Extensive field surveys were conducted in the study sites, and a total of 445 local respondents were interviewed based on structured questionnaires for calculating ethnobotanical indices, i.e., relative frequency of citation (RFC), frequency of citation (FC), use report (UR), and cultural importance index (CI) of NUCs. The study identified 116 NUCs belonging to 55 families and 103 genera. All reported NUCs had medicinal value; 55 were edible and used as food; and 41 had agricultural significance. Leaves were the most commonly used plant parts for medicinal purposes, followed by roots and stems, whereas flowers were the least commonly used parts. NUCs were used by the locals for their medicinal properties to treat various ailments, such as skin and eye problems, headaches, and liver problems. They were administered as decoction, paste, vapor inhalation, fruit juice, and poultice. The RFC, FC, UR, and CI values of the NUCs were in the range of 12 to 365, 0.03 to 0.82, 12 to 394, and 0.03 to 0.89, respectively. Fruits were the most commonly consumed part, followed by leaves, tubers, pods, and aerial bulbs, whereas the mode of consumption was stir-fry, soup, vegetables, salad, or in raw form. NUCs were bestowed with essential macro- and micronutrients and were found in the range of Ca (3.79–1147.3), K (2.6–1600.3), Mg (0.8–468.0), Na (0.4–270.8), P (1.15–305), Fe (0.1–327.6), Zn (0.1–84.6), Cu (0.047–33.3), Mn (0.1–62.3) mg/100 g, and vitamins like ascorbic acid (0.04–1561.1), thiamine (0.041–2.4), and β-Carotene (0.2–93.6) mg/100 g. These NUCs were cultivated in different settings, such as kitchen gardens, backyard gardens, border crops, and sometimes agricultural fields. The current study reveals the rich diversity and varied use of these NUCs with respect to their ethnomedicinal, nutritional, and agricultural relevance. Sustainable utilization with large-scale cultivation of promising NUCs can lead to local food security and the subsequent attainment of the associated UN Sustainable Development Goals.
满足日益增长的人口的粮食和营养安全需求是一项全球可持续性挑战,因为世界各地的饮食需求严重依赖少数种植作物。为了确保当地的粮食安全,必须使当地可获得、被忽视和未充分利用的具有营养和生物文化意义的作物(NUCs)的饮食选择多样化。在这种背景下,本研究旨在探索北方邦东部两个地区,即米尔扎普尔和Sonebhadra,NUCs在营养、民族医学和农业相关性方面的作用。在研究地点进行了广泛的实地调查,共有445名当地受访者接受了基于结构化问卷的访谈,以计算民族植物学指数,即NUCs的相对引用频率(RFC)、引用频率(FC)、使用报告(UR)和文化重要性指数(CI)。该研究鉴定了116个NUCs,隶属于103属55科。所有报告的NUCs都具有药用价值;55个是可食用的,用作食物;41个具有农业意义。叶子是最常用的药用植物部分,其次是根和茎,而花是最不常用的部分。NUCs因其药用特性而被当地人用于治疗各种疾病,如皮肤和眼睛问题、头痛和肝脏问题。它们以汤剂、糊状物、蒸汽吸入、果汁和膏药的形式给药。NUC的RFC、FC、UR和CI值分别在12至365、0.03至0.82、12至394和0.03至0.89的范围内。水果是最常见的消费部分,其次是叶子、块茎、豆荚和球茎,而消费方式是炒菜、汤、蔬菜、沙拉或生的。NUCs被赋予了必需的宏量和微量营养素,其含量范围为Ca(3.79-1147.3)、K(2.6-1600.3)、Mg(0.8-468.0)、Na(0.4-270.8)、P(1.15-305)、Fe(0.1-327.6)、Zn(0.1-84.6),Cu(0.047–33.3)、Mn(0.1–62.3)mg/100 g,以及抗坏血酸(0.04–1561.1)、硫胺素(0.041–2.4)和β-胡萝卜素(0.2–93.6)mg/100 g.这些NUCs在不同的环境中种植,如菜园、后院花园、边境作物,有时还有农田。目前的研究揭示了这些NUC在民族医学、营养和农业相关性方面的丰富多样性和不同用途。可持续利用和大规模种植有前景的NUCs可以促进当地的粮食安全,并随后实现相关的联合国可持续发展目标。
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Agronomy-Basel
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