探索可持续农业生产模式,协调半干旱地区的系统生产力、土壤生物健康和生态效益

IF 5.4 Q1 ENVIRONMENTAL SCIENCES
Sanjay Singh Rathore , Subhash Babu , Kapila Shekhawat , Vipin Kumar , Ananya Gairola , Owais Ali Wani , Vinod Kumar Singh
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引用次数: 0

摘要

设计可持续农业模式是提高农业生产力和土壤健康的当务之急,同时尽量减少生态足迹。因此,连续三年(2018-2021 年)在四种生产方案(即综合有机管理(IOM)、综合作物管理(ICM)、常规系统(CS)和保护性农业(CA))下测试了三种种植系统,即玉米-芥菜(M-Mus)、玉米+豇豆-芥菜(M + C-Mus)、鸽子豆-小麦(PP-W),以找出高产、对土壤有利和生态高效的生产模式。在 2018-19、2019-20 和 20-21 年期间,ICM 的系统生产率分别为 12107、12889 和 12866 千克/公顷,明显高于其他生产系统。在各种植系统中,PP-W 系统的系统生产力最高,2018-19 年为 12007.0 千克/公顷-1,2019-20 年为 11899 千克/公顷-1,20-21 年为 12247 千克/公顷-1。这使得系统平均生产率比玉米-芥菜系统高出 15%。养分(氮、磷和钾)的获取量以 M + C-Mus 系统最高,其次是 PP-W 系统。三年后,在整个土壤剖面上,IOM 和 ICM 的所有土壤生物指标都有显著改善。在 IOM 下种植 PP-W 系统的能源利用效率最高(73.24)。关于生态效益指数(EEI),在 IOM 生产方案下种植 PP-W 比在 CS 下种植 M-Mus 的生态效益指数(0.20 美元 MJ-1)高出 2.85 倍。因此,研究结果推断,无论是 IOM 还是 ICM 生产方案下的豆科植物种植系统都是可持续的生产模式,可在半干旱地区以最小的环境影响获得更高的收益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exploring sustainable agricultural production models to coordinate system productivity, soil biological health and eco-efficiency in the semi-arid region

Designing sustainable agricultural models is imperative to enhance farm productivity, and soil health with minimum ecological footprints. Therefore, three cropping systems viz., maize-mustard (M-Mus), maize + cowpea-mustard (M + C-Mus), pigeon pea-wheat (PP-W) were tested under four production scenarios viz., integrated organic management (IOM), integrated crop management (ICM), conventional system (CS), and conservation agriculture (CA) for three consecutive years (2018–2021) to find out the productive, soil supportive, and eco-efficient production model. The ICM recorded significantly higher system productivity i.e. 12107, 12889, and 12866 kg ha−1 during 2018–19, 2019–20, and 20–21 over other production system, respectively. Among the cropping systems, the PP-W system registered the maximum system productivity of 12007.0 kg ha−1 during 2018–19, 11899 kg ha−1 in 2019–20, and 12247 kg ha−1 during 20–21. This led to ∼15% higher average system productivity over the maize-mustard system. Nutrient (N, P, and K) acquisition was the highest by the M + C-Mus system followed by the PP-W system. All soil biological indicators considerably improved under IOM followed by ICM across the soil profile after three years. Cultivation of the PP-W system under IOM registered the highest energy use efficiency (73.24). Concerning the eco-efficiency index (EEI), cultivation of PP-W under the IOM production scenario registered ∼ 2.85 times higher EEI (0.20 US$ MJ−1) over the M-Mus cropping under CS. Thus, findings inferred that legume-embedded systems under either IOM or ICM production scenarios are sustainable production models for fetching higher profitability with minimum environmental impact under semi-arid regions.

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来源期刊
Environmental and Sustainability Indicators
Environmental and Sustainability Indicators Environmental Science-Environmental Science (miscellaneous)
CiteScore
7.80
自引率
2.30%
发文量
49
审稿时长
57 days
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