Quantitative Evaluation of Climatic Resource Use Efficiency under Different Cropping Patterns in Dry Area Northwest China———Make Tianshui City as an Example

doi:10.7668/hbnxb.2007.S1.038

Abstract

Abstract: Following the principle of largest output and the smallest input of resource , the amount of climatic resourcewhich crops holding during their growth period and crop′s output had been considered and the model for evaluating climaticresource use efficiency under in crops growing had been provided .Based on the agriculture production status ofTianshui ,Gansu , the evaluation of climatic resource use efficiency under different cropping patterns had been made .Theresults showed that the climatic resource use efficiency was the highest under interplant while they were lower undermonoculture and multiple cropping.

Key words: Dry area northwest, Cropping patterns, Climatic resource, Use efficiency, Evaluation

CLC Number:

S162

XINJi-wu, PUJin-yong, MAPeng-li. Quantitative Evaluation of Climatic Resource Use Efficiency under Different Cropping Patterns in Dry Area Northwest China———Make Tianshui City as an Example[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.7668/hbnxb.2007.S1.038.

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