农业和森林砍伐

Ryan Abman, Teevrat Garg, Yao Pan, S. Singhal
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引用次数: 8

摘要

虽然提高农业生产率对反贫困和粮食安全目标至关重要,但其生态效应在理论上是模糊的。增加农业用地的相对价值可能会刺激森林砍伐,但要素市场限制加上现有土地生产力的提高可能会减少对轮作耕作的需求。利用大型农业推广项目资格的不连续性,我们发现该项目减少了13%的森林砍伐。该计划增加了肥料使用和作物轮作等推广做法的采用,提高了生产力,但没有增加耕地面积。适当设计的计划可以提高农业生产力,也可以促进保护。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Agriculture and Deforestation
Although improving agricultural productivity is vital to anti-poverty and food security goals, its ecological effects are theoretically ambiguous. Increasing the relative value of agricultural land may spur deforestation, but factor market constraints paired with improvements in existing land productivity may reduce the demand for shifting cultivation. Leveraging the discontinuity in eligibility for a large agricultural extension program, we find that the program reduced deforestation by 13\%. The program increased adoption of promoted practices such as manure-use and crop rotation resulting in higher productivity but no increase in cultivated area. Suitably designed programs improving agricultural productivity may also enable conservation.
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