尼泊尔保护农业主流化

T. Karki, R. Acharya
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引用次数: 1

摘要

保护性农业(CA)系统包括最小土壤扰动、永久土壤覆盖和作物轮作。在尼泊尔,开发、改进和传播基于保护的农业技术的努力始于20世纪90年代在特赖建立的水稻-小麦联盟。采用CA的回报大于权衡。尼泊尔农业研究委员会(NARC)与CIMMYT和IRRI一直在各种生态环境下开展这项工作。研究表明,它降低了生产成本,节约了水和养分,增加了产量,改善了土壤健康,减缓了全球变暖,提高了资源利用效率。但其推广存在诸多瓶颈;例如缺乏适当的CA机器、在作物-牲畜系统中使用作物残茬的权衡、作物残茬焚烧、缺乏熟练人力和人们的心态。因此,迫切需要制定战略,使尼泊尔的CA成为主流。本文强调了CA的优势,劣势,机会和威胁,以促进和前进的道路。
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Mainstreaming the Conservation Agriculture in Nepal
   Conservation agriculture (CA) system involves minimum soil disturbance, permanent soil cover, and crop rotations. In Nepal, efforts to develop, refine and disseminate conservation-based agricultural technologies started since the rice-wheat consortium in Terai in the 1990s. There are more payoffs than tradeoffs for the adoption of CA. Nepal Agricultural Research Council (NARC) with CIMMYT and IRRI has been working on it under various ecologies. Studies revealed that it reduces the production cost, saves water and nutrients, increases yields, improves soil health, mitigates global warming and improves resource use efficiency. However, there are many bottlenecks for its promotion; like lack of appropriate CA machineries, trade-offs of using crop residue in crop-livestock systems, crop residue burnings, unavailability of skilled manpower and peoples’ mindset. Therefore, there is an urgent need to develop strategies to mainstream the CA in Nepal. The paper highlights on strengths, weaknesses, opportunities, and threats of CA for promotion and the way forward.
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来源期刊
CiteScore
1.00
自引率
0.00%
发文量
4
审稿时长
16 weeks
期刊介绍: The Journal of Agriculture and Environment for International Development is an international, multidisciplinary journal dealing with agricultural production, food security, environment, remote sensing and natural resources evaluation, economics and social science, rural development and soil science. The Journal publishes scientific, technical and extensional papers concerning activities devoted to Developing Countries and Countries in transition. The language of the Journal is English. Starting from 2015, papers in other languages will not be accepted.
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