Bt cotton in India: Field trial results and economic projections

被引：95
|
作者：
Qaim, M [1 ]
机构：
[1] Univ Bonn, Ctr Dev Res, ZEF, D-5300 Bonn, Germany
来源：
WORLD DEVELOPMENT | 2003年 / 31卷 / 12期
关键词：
biotechnology; agricultural productivity; economic impact; private sector; Asia; India;
D O I：
10.1016/j.worlddev.2003.04.005
中图分类号：
F0 [经济学]; F1 [世界各国经济概况、经济史、经济地理]; C [社会科学总论];
学科分类号：
0201 ; 020105 ; 03 ; 0303 ;
摘要：
The performance of Bt cotton in India is analyzed on the basis of field trial data from 2001. The amounts of pesticides applied during the trials were reduced to one-third of what was used in conventional cotton, while-under severe pest pressure-yield gains were 80%. Productivity effects are modeled econometrically with a damage-control specification. The first approval for the commercial cultivation of Bt hybrids was given in 2002. By 2005, the technology is expected to cover one-quarter of total Indian cotton area. Medium-term projections show sizeable welfare gains for the overall economy, with farmers being the main beneficiaries. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2115 / 2127
页数：13
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