Composite Modeling of Water Movement and Water Use Efficiency of Winter Wheat

doi:10.11924/j.issn.1000-6850.2012-3681

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Chinese Agricultural Science Bulletin ›› 2013, Vol. 29 ›› Issue (27): 42-48.doi: 10.11924/j.issn.1000-6850.2012-3681

Special Issue: 小麦

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Composite Modeling of Water Movement and Water Use Efficiency of Winter Wheat

Received:2012-11-12 Revised:2012-12-19 Online:2013-09-25 Published:2013-09-25

Abstract

Abstract: In order to forecast the effect of climate warming on agriculture, ENWATBAL model was used to simulate evapotranspiration of winter wheat due to the change of air temperature and precipitation in the future decades. Than the effect of climate warming on winter wheat yield in the future decades was speculated by the past yield and climate data in last decades, and the possible water use efficiency in the future decades was calculated. The results indicated that, climate warming would increase winter wheat evapotranspiration, and decrease yield and water use efficiency of winter wheat. It showed that climate warming would intensify the water shortage in agriculture, and it was necessary to develop water-saving agriculture.

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Composite Modeling of Water Movement and Water Use Efficiency of Winter Wheat

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