Effects of halving pesticide use on wheat production

被引:61
|
作者
Hossard, L. [1 ,2 ]
Philibert, A. [1 ,2 ]
Bertrand, M. [1 ,2 ]
Colnenne-David, C. [1 ,2 ]
Debaeke, P. [3 ,4 ]
Munier-Jolain, N. [5 ,6 ]
Jeuffroy, M. H. [1 ,2 ]
Richard, G. [7 ]
Makowski, D. [1 ,2 ]
机构
[1] INRA, Agron UMR211, F-78850 Thiverval Grignon, France
[2] AgroParisTech, UMR Agron, F-78850 Thiverval Grignon, France
[3] INRA, AGIR UMR1248, F-31320 Castanet Tolosan, France
[4] Univ Toulouse, INPT, UMR AGIR, F-31029 Toulouse, France
[5] INRA, Agroecol UMR1347, F-21065 Dijon, France
[6] AgroSup Dijon, UMR Agroecol, F-21065 Dijon, France
[7] INRA, Dept Environm & Agron, UAR1155, F-84914 Avignon, France
来源
SCIENTIFIC REPORTS | 2014年 / 4卷
关键词
WINTER-WHEAT; QUANTILE REGRESSION; CROPPING SYSTEMS; YIELD;
D O I
10.1038/srep04405
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Pesticides pose serious threats to both human health and the environment. In Europe, farmers are encouraged to reduce their use, and in France a recent environmental policy fixed a target of halving the pesticide use by 2018. Organic and integrated cropping systems have been proposed as possible solutions for reducing pesticide use, but the effect of reducing pesticide use on crop yield remains unclear. Here we use a set of cropping system experiments to quantify the yield losses resulting from a reduction of pesticide use for winter wheat in France. Our estimated yield losses resulting from a 50% reduction in pesticide use ranged from 5 to 13% of the yield obtained with the current pesticide use. At the scale of the whole country, these losses would decrease the French wheat production by about 2 to 3 millions of tons, which represent about 15% of the French wheat export.
引用
收藏
页数:7
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