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Climate Resilient Agriculture: Enhancing Agricultural Sustainability in the Face of Climate Change Scenario 具有气候复原力的农业:面对气候变化情景,加强农业可持续性
Pub Date : 2024-07-10 DOI: 10.9734/ijecc/2024/v14i74279
Chinmoy Deori, Pratishruti Behera, Anjan Sharma, Mriganko Kakoti, Juman Das, A. P. Singh, Bhim Singh, Reemashree Das
The increasing demands of a growing population pose a serious danger to global food and nutritional security due to the detrimental impacts of climate change on crop growth and agricultural production, both in terms of quantity and quality. Climate change impacts on income, livelihoods, and population health are directly related to factors including increasing temperatures, erratic rainfall, and extreme weather events. Agronomic practices that are robust to climate change have the potential to improve the current state of matters, maintain agricultural productivity globally, especially in a sustainable way, and accomplish the Sustainable Development Goals (SDGs). Agricultural scientists are anticipated to be crucial in this scenario in advancing the shift to climate-resilient agriculture (CRA), enhancing the conversion of conventional to sustainable food systems, and serving as liaisons between farmer practices and technological developments. In this study, we offer a road map for increased agricultural sustainability that includes the efficient application of technological advancement, policies and plan that will support the intensification of sustainable agriculture and climate resilience.
由于气候变化对作物生长和农业生产的数量和质量产生不利影响,不断增长的人口日益增长的需求对全球粮食和营养安全构成严重威胁。气候变化对收入、生计和人口健康的影响与气温升高、降雨量不稳定和极端天气事件等因素直接相关。能够适应气候变化的农艺实践有可能改善目前的状况,在全球范围内保持农业生产力,尤其是以可持续的方式保持农业生产力,并实现可持续发展目标(SDGs)。在这种情况下,农业科学家在推动向气候适应性农业(CRA)转变、促进传统粮食系统向可持续粮食系统转变以及充当农民实践与技术发展之间的联络人等方面预计将发挥至关重要的作用。在本研究中,我们提出了提高农业可持续性的路线图,其中包括有效应用技术进步、政策和计划,以支持加强可持续农业和气候适应能力。
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引用次数: 0
Study of Seasonal Incidence of Rice Earhead Bug (Coreidae: Hemiptera) 稻穗头蝽季节性发生率研究
Pub Date : 2024-07-10 DOI: 10.9734/ijecc/2024/v14i74280
Shreya Soneshwar, Deepali Vishwakarma, A. G. Sirohi, Sudish Kumar, Yogesh Kumar, Sanju Singh, A. K. Bhowmick
This study investigates the relationship between climatic factors and the population dynamics of the rice earhead bug (Leptocorisa acuta) in Balaghat district of Madhya Pradesh. Through correlational analysis, we examined the associations between rainfall, rainy days, morning relative humidity (RH), evening RH, evening vapour pressure, wind velocity, maximum temperature, morning vapour pressure, evaporation, sunshine, and the prevalence of rice earhead bugs. Results indicate a negative correlation between rice earhead bug population and both rainfall and rainy days, suggesting a potential suppression effect of increased precipitation on bug abundance. Morning RH, evening RH, evening vapour pressure, and wind velocity showed non-significant negative correlations with bug population, indicating that these factors may have limited influence on bug dynamics in our study area. Conversely, a positive non-significant correlation was observed between rice earhead bug population and maximum temperature, morning vapour pressure, evaporation, and sunshine. This implies that higher temperatures and increased solar radiation may have a subtle positive effect on bug abundance, although further investigation is warranted to elucidate the underlying mechanisms. Overall, our findings shed light on the complex interplay between climatic factors and rice earhead bug dynamics, highlighting the importance of considering multiple variables in pest management strategies for rice cultivation.
本研究调查了中央邦巴拉哈特地区气候因素与稻穗头蝽种群动态之间的关系。通过相关分析,我们研究了降雨量、雨日、早晨相对湿度(RH)、傍晚相对湿度、傍晚蒸气压、风速、最高气温、早晨蒸气压、蒸发量、日照与稻穗头蝽数量之间的关系。结果表明,稻穗头蝽的数量与降雨量和雨日呈负相关,表明降雨量的增加对蝽的数量有潜在的抑制作用。早晨相对湿度、傍晚相对湿度、傍晚蒸气压和风速与虫量呈非显著负相关,表明这些因素对本研究区域的虫情动态影响有限。相反,稻穗头蝽数量与最高气温、早晨蒸气压、蒸发量和日照之间呈非显著正相关。这意味着较高的气温和增加的太阳辐射可能会对穗头蝽的数量产生微妙的积极影响,但仍需进一步研究以阐明其潜在机制。总之,我们的研究结果揭示了气候因素与水稻穗头蝇动态之间复杂的相互作用,强调了在水稻种植过程中考虑多种变量对害虫管理策略的重要性。
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引用次数: 0
Potassium Release Parameters and their Relation with Yield of Rice Based Cropping Systems in Bapatla District, India 印度巴帕特拉地区水稻种植系统的钾释放参数及其与产量的关系
Pub Date : 2024-07-10 DOI: 10.9734/ijecc/2024/v14i74281
E. Vyshnavi, M. Latha, P. M. Vani, D. Ramesh
An investigation was carried out to study the different potassium release parameters in rice based cropping systems (viz. Rice-Pulse, Rice-Groundnut, Rice-Maize and Rice-Sorghum cropping systems) of Bapatla district of Andhra Pradesh and their relation with rice yield and rice equivalent yield of different cropping systems. Step-K values in Rice-Pulse, Rice-Groundnut, Rice-Maize and Rice-Sorghum cropping systems was in the range of 505-1266, 414 -884, 742-1296 and 776-1369 mg kg-1 with the mean values of 954, 563, 965 and 1067 mg kg-1, respectively. Constant-K values in Rice-Pulse, Rice-Groundnut, Rice-Maize and Rice-Sorghum cropping systems was in the range of 17-28, 11-22, 17-25and 14-27mg kg-1 with the mean values of 23, 17, 21 and 20 mg kg-1, respectively. Cumulative-K values in Rice-Pulse, Rice-Groundnut, Rice-Maize and Rice-Sorghum cropping systems was in the range of 607-1466, 480-1038, 889-1496 and 930-1585 mg kg-1 with the mean values of 1119, 672, 1123 and 1223 mg kg-1, respectively. The highest potassium release parameters such as step-K and cumulative K observed in rice-sorghum cropping system and the lowest in rice-groundnut cropping system. Lower amounts of cumulative K were observed in all soils except in soils of Kodiparru and Ananthavaram villages under present investigation. Lower cumulative K and continuous cropping would lead to depletion of soil K reserves and result in K deficiency. Among the K release i.e cum- K and step K obtained with boiling 1N HNO3 showed maximum positive and significant correlation with rice yield and rice equivalent yield while, constant K showed minimum correlation.
研究人员对安得拉邦巴帕特拉地区水稻种植系统(即水稻-脉冲、水稻-花生、水稻-玉米和水稻-高粱种植系统)的不同钾释放参数及其与不同种植系统的水稻产量和水稻等效产量的关系进行了调查。水稻-脉冲、水稻-花生、水稻-玉米和水稻-高粱种植系统的阶跃-K 值范围分别为 505-1266、414-884、742-1296 和 776-1369 毫克/千克,平均值分别为 954、563、965 和 1067 毫克/千克。水稻-脉冲、水稻-花生、水稻-玉米和水稻-高粱种植系统中的常量-K 值范围分别为 17-28、11-22、17-25 和 14-27 毫克/千克-1,平均值分别为 23、17、21 和 20 毫克/千克-1。水稻-脉冲、水稻-花生、水稻-玉米和水稻-高粱种植系统的累积钾值范围分别为 607-1466、480-1038、889-1496 和 930-1585 毫克/千克,平均值分别为 1119、672、1123 和 1223 毫克/千克。在水稻-高粱种植系统中,钾释放参数(如步长钾和累积钾)最高,而在水稻-花生种植系统中最低。在本次调查中,除 Kodiparru 和 Ananthavaram 村的土壤外,所有土壤的累积钾含量都较低。较低的钾累积量和连续种植会导致土壤钾储备枯竭,造成钾缺乏。在钾释放量中,即用煮沸的 1N HNO3 得到的累积钾和阶跃钾与水稻产量和水稻当量产量的正相关性最大,而恒定钾的相关性最小。
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引用次数: 0
Influence of Diverse Growing Environments and Plant Densities on Phenological Development and Agrometeorological Indices of Groundnut (Arachis hypogaea L.) in the Hyper Arid Zone of Rajasthan, India 印度拉贾斯坦邦超干旱区不同生长环境和植物密度对落花生(Arachis hypogaea L.)物候期发育和农业气象指标的影响
Pub Date : 2024-07-09 DOI: 10.9734/ijecc/2024/v14i74278
M. L. Reager, Subhash Chandra, S.P. Singh, R. C. Bairwa, N. Kishor, Richa Pant, C. K. Dotaniya, Vinay Kumar, Sang-Min Chung, Anupama Singh, Chinmayee Mohapatra, Suvalaxmi Palei, Meenakshi Badu, Ankita Mohanty, M. Kabi, S. Kumaraswamy, B. S. Kherawat, Mahipal Singh Kesawat
Groundnut (Arachis hypogaea L.) stands as a significant oilseed crop globally. The growth, development, and productivity of these plants are notably affected by the adverse impacts of global climate change. Therefore, the current study sought to examine how diverse growing environments and planting densities influence the phenological development of groundnut in the hyper-arid zone of Rajasthan, India. A field experiment spanning the kharif seasons of 2017, 2018, and 2019 was conducted at Krishi Vigyan Kendra, Swami Keshwanand Rajasthan Agricultural University, Bikaner, India. The experiment laid out in split-plot design with four replications. The treatments included three main plots for growing environments (sowing on May 15, May 30, and June 15) and three sub-plots for planting densities (1.67 lakh ha-1, 2.50 lakh ha-1 and 3.33 lakh ha-1).. The outcomes of the field experiment indicates that sowing groundnut on May 30 was statistically on par with sowing on June 15 and resulted in higher values of GDD, helio thermal units (HTU), PTI, heat use efficiency (HUE), photothermal use efficiency (PUE), and heliothermal use efficiency, as well as hygrothermal use efficiency (Hg TUE-I and II) at the initiation of flowers and peg formation stages. However, at later growth stages significantly higher values of GDD, HTU, HUE, PUE, HgTUE-I and II were observed with the May 15 sowing. These values gradually decreased with delayed sowing up to May 30 and June 15. Further, increasing the planting density from 1.67 lakh ha-1, 2.50 lakh ha-1 and 3.33 lakh ha-1 significantly enhanced the HTU, HUE, PUE, HgTUE-I and II at various phenological stages of groundnut. Therefore, these findings underscore the significance of precise timing and density control in maximizing groundnut yields under challenging environmental circumstances. By understanding and modifying these variables, farmers can mitigate the adverse effects of climate change and enhance groundnut productivity, especially in extremely arid areas like Rajasthan.
落花生(Arachis hypogaea L.)是全球重要的油籽作物。这些植物的生长、发育和生产力明显受到全球气候变化的不利影响。因此,本研究试图考察不同的生长环境和种植密度如何影响印度拉贾斯坦邦超干旱地区落花生的物候发育。在印度比卡内尔的 Swami Keshwanand Rajasthan 农业大学 Krishi Vigyan Kendra 进行了一项田间试验,时间跨度为 2017 年、2018 年和 2019 年三个季节。实验采用四次重复的分小区设计。处理包括三个生长环境主小区(5 月 15 日、5 月 30 日和 6 月 15 日播种)和三个种植密度子小区(1.67 万公顷/1、2.50 万公顷/1 和 3.33 万公顷/1)。田间试验结果表明,5 月 30 日播种的落花生与 6 月 15 日播种的落花生在统计学上不相上下,在始花期和花柱形成期,落花生的 GDD 值、氦热单位 (HTU)、PTI、热利用效率 (HUE)、光热利用效率 (PUE)、氦热利用效率以及湿热利用效率 (Hg TUE-I 和 II) 均较高。然而,在生长后期,5 月 15 日播种的 GDD、HTU、HUE、PUE、HgTUE-I 和 II 值明显更高。随着播种时间推迟到 5 月 30 日和 6 月 15 日,这些数值逐渐下降。此外,将种植密度从 1.67 万公顷-1、2.50 万公顷-1 和 3.33 万公顷-1 提高到 1.67 万公顷-1、2.50 万公顷-1 和 3.33 万公顷-1,可显著提高花生各物候期的 HTU、HUE、PUE、HgTUE-I 和 II。因此,这些研究结果强调了在具有挑战性的环境条件下,精确的时间和密度控制对花生产量最大化的重要意义。通过了解和改变这些变量,农民可以减轻气候变化的不利影响,提高花生的产量,尤其是在拉贾斯坦邦等极度干旱地区。
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引用次数: 0
Causality of Environmental Degradation and Economic Growth in Indonesia 印度尼西亚环境退化与经济增长的因果关系
Pub Date : 2024-07-09 DOI: 10.9734/ijecc/2024/v14i74277
Sri Rahayu Budi Hastuti, Didit Welly Udjianto, Rini Dwi Astuti, Ilyasin Aditya Rahman
Nowdays, the issue of global warming is being widely discussed in all countries, both developed and developing countries, because of its negative impact on the environment. This study aims to develop an integrated analytical framework of causality between energy consumption, carbon emissions, financial development, trade openness, and economic growth in Indonesia, 1990-2021. This study provides research benefits in the form of a set of empirical evidence to assist in developing a series of key strategies that can improve environmental quality through sustainable development. With granger causality analysis and vector autoregression model, this study provides results that high economic growth and energy consumption can cause environmental degradation through increased carbon gas emissions.
如今,全球变暖问题因其对环境的负面影响而在所有国家(包括发达国家和发展中国家)引起广泛讨论。本研究旨在为 1990-2021 年印度尼西亚的能源消耗、碳排放、金融发展、贸易开放和经济增长之间的因果关系建立一个综合分析框架。本研究以一系列实证证据的形式提供了研究收益,有助于制定一系列关键战略,通过可持续发展改善环境质量。通过格兰杰因果关系分析和向量自回归模型,本研究得出的结果表明,高经济增长和能源消耗会通过增加碳气体排放导致环境退化。
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引用次数: 0
Future Prediction of Consecutive Dry Days (CDD) in Rapti River Basin Using Model ACCESS-CM2 Climate Projection 利用 ACCESS-CM2 气候预测模型预测拉普提河流域未来连续干旱日 (CDD)
Pub Date : 2024-07-06 DOI: 10.9734/ijecc/2024/v14i74275
Sonali Kumari, Vikram Singh, Shakti Suryavanshi
The Rapti River basin in India is a region increasingly vulnerable to extreme precipitation events, which pose significant challenges to water resource management and flood mitigation. This study investigates the extreme precipitation patterns in the Rapti River Basin, India, by analyzing historical and projected data using advanced climate models and indices. Utilizing the Expert Team on Climate Change Detection and Indices (ETCCDI) framework, we focus on Consecutive Dry Days (CDD). The study evaluates the trends under different global warming scenarios of 1.5˚C, 2˚C, and 3˚C, employing ACCESS-CM2 Model. The findings reveal significant variations in the trends and magnitudes of CDD across the different warming levels. At 1.5˚C, CDD shows a decreasing trend. At 2˚C, models project a continued decrease in CDD. At 3˚C, mixed trends are observed with notable increases in CDD, highlighting the potential for prolonged wet periods and increased flood risks. The study underscores the impact of climate change on the hydrological behavior of the Rapti River Basin, emphasizing the need for adaptive water resource management strategies. It provides valuable insights into the future precipitation trends in the Rapti River Basin, guiding the development of strategies to enhance resilience against climate-induced hydrological changes.
印度拉普提河流域越来越容易受到极端降水事件的影响,这给水资源管理和洪灾缓解带来了巨大挑战。本研究利用先进的气候模型和指数,通过分析历史数据和预测数据,研究了印度拉普提河流域的极端降水模式。利用气候变化检测和指数专家组(ETCCDI)框架,我们重点研究了连续干旱日(CDD)。研究采用 ACCESS-CM2 模型,评估了 1.5˚C、2˚C 和 3˚C 不同全球变暖情景下的趋势。研究结果表明,在不同的变暖水平下,CDD 的变化趋势和幅度都有很大差异。在 1.5˚C 时,CDD 呈下降趋势。在 2˚C 时,模型预测 CDD 将继续下降。在 3˚C 时,CDD 的变化趋势不一,CDD 明显增加,这表明可能会出现长期潮湿和洪水风险增加的情况。该研究强调了气候变化对拉普提河流域水文行为的影响,强调了适应性水资源管理战略的必要性。它为拉普提河流域未来的降水趋势提供了有价值的见解,为制定战略以提高应对气候引起的水文变化的能力提供了指导。
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引用次数: 0
Assessment of Diversity for Terminal Heat Tolerance under Different Sowing Conditions in Bread Wheat (Triticum aestivum L. em.Thell.) 不同播种条件下面包小麦(Triticum aestivum L. em.Thell.)
Pub Date : 2024-07-06 DOI: 10.9734/ijecc/2024/v14i74273
Santosh, J. Jaiswal
Wheat crop is facing various abiotic stresses due to changing environmental conditions as a result of global warming and heat stress is one of them which affects wheat crop during different growth stages and ultimately reduces grain yield very significantly. The present investigation was carried out with thirty two diverse genotypes of bread wheat in completely randomized block design with three replications at Norman E. Borlaug Crop Research Centre, G.B. Pant University of agriculture & Technology Pantnagar for the screening of wheat genotypes for terminal heat tolerance under three environments viz., timely sown (E1), late sown (E2) and very late sown (E3) conditions and to estimate the effect of high temperature on grain yield. Based on prevailing temperature, timely sown condition was considered as heat stress free environment while late sown and very late sown conditions were considered as heat stress environments. Genotypic performance varied substantially over the non-stress and heat stress environments. The observations were recorded on sixteen agronomic traits and three physiological traits. The statistical analysis forgenetic divergence study was done using Mahalanobis D2 statistics and clustering of genotypes was done using Tocher method. Terminal heat tolerance was measured by calculating heat susceptibility index (HSI) for the stress environments. On the basis of genetic diversity analysis, the maximum percent contribution towards genetic divergence was contributed by plant height while the lowest contribution was from harvest index. The 32 genotypes were grouped into six clusters. Cluster-II had maximum number of genotypes (11) while cluster-VI had only single genotype. Cluster-V exhibited the highest intra-cluster while the lowest intra-cluster distance was exhibited by cluster-VI. The highest inter-cluster distance was observed between cluster-III and cluster-VI whereas the lowest inter-cluster distance was observed between cluster-IV and cluster-I. Cluster-VI exhibited highest cluster means for yield contributing traits like grain weigh per spike, grain yield per plant, harvest index while cluster-V exhibited the highest cluster means for physiological traits like relative water content and canopy temperature depression. On the basis of heat susceptibility index, most of the genotypes were found tolerant and moderately tolerant for heat stress conditions. The genotypes bearing the desired values from different clusters can be exploited in future breeding programme for the improving wheat genotypes for heat stress conditions. These genotypes can be used as donor parents in heat tolerance breeding programme.
由于全球变暖导致环境条件不断变化,小麦作物正面临着各种非生物胁迫,热胁迫就是其中之一,它会在小麦作物的不同生长阶段对其产生影响,并最终显著降低谷物产量。本研究以 Norman E. Borlaug 作物研究中心(G.B. Pant University of Agriculture & Technology Pantnagar)的 32 个不同的面包小麦基因型为研究对象,采用完全随机区组设计,三次重复的方法,筛选小麦基因型在三种环境(即适时播种(E1)、晚播种(E2)和极晚播种(E3))条件下的末期耐热性,并估计高温对谷物产量的影响。根据当时的温度,适时播种条件被视为无热胁迫环境,而晚播和极晚播条件被视为热胁迫环境。在无热胁迫和热胁迫环境下,基因型表现差异很大。观察记录了 16 个农艺性状和 3 个生理性状。利用 Mahalanobis D2 统计法对遗传差异研究进行了统计分析,并利用 Tocher 方法对基因型进行了聚类。通过计算胁迫环境下的热敏性指数(HSI)来衡量终端耐热性。根据遗传多样性分析,株高对遗传差异的贡献最大,而收获指数的贡献最小。32 个基因型被分为 6 个群组。群组-II 的基因型数量最多(11 个),而群组-VI 只有一个基因型。簇-V 的簇内距离最大,而簇-VI 的簇内距离最小。群-III 和群-VI 之间的群间距离最大,而群-IV 和群-I 之间的群间距离最小。群-VI 在单穗粒重、单株产量、收获指数等产量贡献性状方面的群均值最高,而群-V 在相对含水量和冠层温度抑制等生理性状方面的群均值最高。根据热敏性指数,大多数基因型对热胁迫条件具有耐受性和中等耐受性。在未来的育种计划中,可以利用不同群组中具有所需数值的基因型,改良小麦基因型以适应热胁迫条件。这些基因型可用作耐热育种计划的供体亲本。
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引用次数: 0
Abiotic Factors as Game Changer in Sex Ratio Distortion of Insects 非生物因素是昆虫性别比例失调的改变因素
Pub Date : 2024-07-06 DOI: 10.9734/ijecc/2024/v14i74274
S. Verma, Doddachowdappa Sagar, Hemant Kumar, Sujatha G S
Sex ratios in insect populations are critical in shaping their reproductive dynamics, genetic diversity, and ecological interactions. While genetic factors often determine sex, abiotic factors have emerged as important influencers of sex ratios in insects. The influence of abiotic factors on sex ratios in insects is of scientific interest and holds practical implications for insect conservation and management. As environmental conditions change due to global warming, understanding how sex ratios respond to these changes can aid in predicting population dynamics and designing effective conservation strategies for biocontrol agents as well as the management of insect pests. Abiotic stressors, including fluctuations in temperature, humidity variations, altitude & latitude, nutrition and chemical exposure have been shown to disrupt the precise balance of hormonal and genetic cues governing sex determination in insects. Insects being ectothermic, body temperature depends on the surrounding environmental conditions and are highly vulnerable to the change in climate. This review explores the intricate relationship between abiotic stress and sex determination mechanisms in insects, highlighting recent advances in our understanding of how stress-induced alterations especially environment in hormone signaling, gene expression, and epigenetic modifications can lead to skewed sex ratios and developmental anomalies. Regardless of the advances in this area, notable research gaps are still present. Future studies on the multiple abiotic factors and their synergistic effects will give a more detailed study of insect populations, and their ecosystems. This comprehensive review delves into the multifaceted interactions between abiotic factors and sex differentiation in insects. In conclusion, the abiotic factors especially temperature are indeed game changers in the insect sex ratio dynamics.
昆虫种群的性别比例对其繁殖动态、遗传多样性和生态相互作用的形成至关重要。虽然遗传因素通常决定性别,但非生物因素已成为影响昆虫性别比例的重要因素。非生物因素对昆虫性别比例的影响不仅具有科学意义,而且对昆虫保护和管理具有实际意义。随着全球变暖导致环境条件发生变化,了解性别比如何应对这些变化有助于预测种群动态、设计有效的生物控制剂保护策略以及管理害虫。非生物胁迫因素,包括温度波动、湿度变化、海拔高度和纬度、营养和化学接触,已被证明会破坏昆虫性别决定的激素和遗传线索的精确平衡。昆虫是外温动物,体温取决于周围的环境条件,极易受到气候变化的影响。这篇综述探讨了非生物胁迫与昆虫性别决定机制之间错综复杂的关系,重点介绍了我们对胁迫引起的环境变化(尤其是激素信号转导、基因表达和表观遗传修饰)如何导致性别比例失调和发育异常的认识的最新进展。尽管在这一领域取得了进展,但仍存在明显的研究空白。未来对多种非生物因素及其协同效应的研究将为昆虫种群及其生态系统提供更详细的研究。本综述深入探讨了非生物因素与昆虫性别分化之间多方面的相互作用。总之,非生物因素(尤其是温度)确实改变了昆虫的性别比例动态。
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引用次数: 0
Climatic Variability and Impact of Climate Change on Rice and Wheat in the Eastern Plain Zone of Uttar Pradesh, India 气候多变性及气候变化对印度北方邦东部平原区水稻和小麦的影响
Pub Date : 2024-07-06 DOI: 10.9734/ijecc/2024/v14i74276
Balwant Singh, Anjani Kurrey, A.K. Singh, R. K. Yadav, Smita Gupta, Pirya Singh, A. Mishra
In this research climate variability and impact of climate change on major crop i.e. rice and wheat in the Eastern plain zone were investigated. For this study temperature (maximum & Minimum) and rainfall were collected from different sources such as India meteorological Department, Lucknow and Banaras Hindu University, Department of agronomy, Institute of agriculture science Varanasi, Yield data of crop was collected from Directorate of Economics and statistics, Ministry of agriculture. Historical data (2000-2020) on different meteorological parameters of Eastern Plain Zone of Uttar Pradesh (Azamgarh, Ayodhya, Ghazipur) were analyzed. Seasonal as well as annual variability for maximum & minimum temperature, rainfall of Eastern Plain Zone of Uttar Pradesh for the period of 2000-2020 were computed. From the analysis it was found that, the average temperature of Eastern Plain Zone of Uttar Pradesh has been 31.6℃. The highest average temperature was 32.5℃ in the year 2009 while the lowest temperature was 30.4℃ in the year 2014. Over the year from 2000 to 2020 there has been sharp/significant increase in the temperature, which is approximately between 31.6℃ to 32.5℃. Even in the year 2009 there was an increase of approximately 0.9℃ in average temperature. Understanding trend in rainfall is one of the crucial parameters for various sectors. Furthermore average rainfall was decreasing by 0.53mm every year during 2000-2020.
本研究调查了东部平原地区的气候多变性以及气候变化对主要农作物(即水稻和小麦)的影响。这项研究的气温(最高气温和最低气温)和降雨量从不同来源收集,如勒克瑙的印度气象局和巴纳拉斯印度教大学、瓦拉纳西农业科学研究所农学系,作物产量数据从农业部经济和统计局收集。分析了北方邦东部平原区(阿扎姆加尔、阿约迪亚、加齐布尔)不同气象参数的历史数据(2000-2020 年)。计算了 2000-2020 年期间北方邦东部平原区最高和最低气温、降雨量的季节和年度变化情况。分析发现,北方邦东部平原区的平均气温为 31.6℃。平均气温最高的年份为 2009 年的 32.5℃,最低的年份为 2014 年的 30.4℃。从 2000 年到 2020 年,气温急剧/显著上升,大约在 31.6℃到 32.5℃之间。即使在 2009 年,平均气温也上升了约 0.9℃。了解降雨量的变化趋势是各部门的关键参数之一。此外,在 2000-2020 年期间,平均降雨量每年减少 0.53 毫米。
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引用次数: 0
Efficacy of Some Pre- and Post-Emergence Herbicides for Weed Management and their Effects on Yield and Yield Attributes in Rainy Season Green Gram (Vigna radiata L.) Crop 一些萌发前和萌发后除草剂对雨季青稞(Vigna radiata L.)作物杂草管理的功效及其对产量和产量属性的影响
Pub Date : 2024-07-05 DOI: 10.9734/ijecc/2024/v14i74272
Bushra, S.K.Guru
Green gram (Vigna radiata L.) is one of the most important and extensively cultivated crops in India. The average productivity of this crop is very low and one of the main reasons is competition from weeds. Yield reduction in green gram due to weed infestation ranges between 30-85%. Thus, effective weed management is an important key factor for enhancing the productivity of green gram. In the present study, a field experiment was conducted duringrainy season of 2022 at the G. B. Pant University of Agriculture and Technology, Pantnagar to evaluate the effect of eight different herbicides for weed management in green gram genotype Pant mung-6.The experiment was laid out in a randomized block design with three replications. The herbicide treatments consisted of pendimethalin (30% EC) 750 g.a.i/ha,  fenoxprop-p-ethyl (9.3%EC) 67.5g.a.i/ha, fluazifop-p-butyl (13.4%EC) 125 g.a.i/ha, imazethapyr (10%SL) 75g.a.i/ha, propaquizafop (10%EC) 100g.a.i/ha, quizalofop-ethyl (5%EC) 50g.a.i/ha, fluazifop-p-butyl (11.1%) 150 g.a.i/ha +Fomesafen (11.1%EC) 250 g.a.i/ha, and sodium acifluorfen (16.5)%+ clodinafoppropargyl  (8% EC) 80+165 g.a.i./ha. One weedy check and twice hand weeding (at 20 and 45 DAS) were also included in treatment. Major weed species found infesting the crop were C.rotundous, Trianthema portulacastrum, Elusine indica, Digitaria sanguinalis, Digeria arvensis, Celosia argentea, Mollugo pentaphylla and P. niruri. All the herbicide treatments recorded significantly lower weed density than the weedy check. Among the herbicides, pendimethalin (0.75 kg/ha) as pre-emergence, post-emergence application of Imazethapyr (75g/ha) and ready mix product of sodium acifluorfen + clodinafop-propargyl (80+165g/ha) provided excellent weed control with a WCE of more than 85%. Grain yield of mung bean was also highest in these treatments.
青禾苗(Vigna radiata L.)是印度最重要和最广泛种植的作物之一。这种作物的平均产量很低,其中一个主要原因是杂草的竞争。杂草造成的青禾苗减产幅度在 30%-85% 之间。因此,有效的杂草管理是提高青禾苗产量的重要关键因素。本研究在 Pantnagar 的 G. B. Pant 农业和技术大学于 2022 年雨季进行了一项田间试验,以评估八种不同除草剂对绿禾草基因型 Pant mung-6 的杂草管理效果。除草剂处理包括:戊唑醇(30%EC)750 g.a.i/ha、精噁唑草酮(9.3%EC)67.5 g.a.i/ha、氟唑草酮(13.4%EC)125 g.a.i/ha、咪鲜胺(10%SL)75 g.a.i/ha、丙炔草胺(10%EC)100 g.a.i/ha、喹乙醇(10%EC)100 g.a.i/ha。(5%EC)50克/公顷、氟唑草酮丁酯(11.1%)150克/公顷+福美双(11.1%EC)250克/公顷,以及炔草酯钠(16.5)%+氯氟吡氧乙酸(8%EC)80+165克/公顷。处理中还包括一次杂草检查和两次人工除草(20 和 45 DAS)。作物上的主要杂草种类有:C.rotundous、Trianthema portulacastrum、Elusine indica、Digitaria sanguinalis、Digeria arvensis、Celosia argentea、Mollugo pentaphylla 和 P. niruri。所有除草剂处理的杂草密度都明显低于杂草对照。在除草剂中,萌芽前施用戊唑醇(0.75 千克/公顷)、萌芽后施用吡嘧磺隆(75 克/公顷)和丙炔氟草胺钠+氯氟吡氧乙酸(80+165 克/公顷)的预混产品能很好地控制杂草,WCE 超过 85%。在这些处理中,绿豆的产量也最高。
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International Journal of Environment and Climate Change
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