Numerical study of the impact of climate change on the yield of wheat, soybean and maize

被引：26

作者：

Streck, Nereu Augusto ^{[1
]}

Alberto, Cleber Maus ^{[1
]}

机构：

[1] Univ Fed Santa Maria, Ctr Ciencias Rurais, Dept Fitotecnia, BR-97105900 Santa Maria, RS, Brazil

来源：

PESQUISA AGROPECUARIA BRASILEIRA | 2006年 / 41卷 / 09期

关键词：

Triticum aestivum; Glycine max; Zea mays; global warming; food supply; agriculture;

D O I：

10.1590/S0100-204X2006000900002

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective of this work was to evaluate through a numerical study the impact of a possible climate change on the yield of wheat, soybean and maize, in Santa Maria, RS. Climate change scenarios were created by doubling CO2, with different increases in air temperature, and with increases and without increases in rainfall. Yield of the three crops was simulated with models available in the literature. It was concluded that projected climate change will affect wheat, soybean and maize yield in Santa Maria, RS, Brazil. The increase of 2, 3 and 6 degrees C may cancel the benefits of increasing CO2 on yield of wheat, soybean and maize, respectively.

引用

页码：1351 / 1359

页数：9

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