WITHIN-SEASON PRODUCER RESPONSE TO WARMER TEMPERATURES: DEFENSIVE INVESTMENTS BY KENYAN FARMERS

被引：58
作者：
Jagnani, Maulik
Barrett, Christopher B.
Liu, Yanyan
You, Liangzhi
机构：
[1] Univ Colorado Denver, Denver, CO 80204 USA
[2] Cornell Univ, Charles H Dyson Sch Appl Econ & Management, Ithaca, NY 14853 USA
[3] Int Food Policy Res Inst, Washington, DC 20036 USA
来源：
ECONOMIC JOURNAL | 2021年 / 131卷 / 633期
关键词：
D O I：
10.1093/ej/ueaa063
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
We present evidence that farmers adjust agricultural inputs in response to within-season temperature variation, undertaking defensive investments to reduce the adverse agro-ecological impacts of warmer temperatures. Using panel data from Kenyan maize-growing households, we find that higher temperatures early in the growing season increase the use of pesticides, while reducing fertiliser use. Warmer temperatures throughout the season increase weeding effort. These adjustments arise because greater heat increases the incidence of pests, crop diseases and weeds, compelling farmers to divert investment from productivity-enhancing technologies such as fertiliser to adaptive. loss-reducing, defensive inputs such as pesticides and weeding labour.
引用
收藏
页码：392 / 419
页数：28
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