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By using single-factor-analysis method and synthetical evaluation appr each, the paper examines the influences of the major natural environ mental factors upon agricultural cultivation, especially upon cereal-crop production in Sichuan province. The results of the examination indicate that the major obstacles to the development of cultivation in this area are water supply and geomophological conditions, as well as the poor quality of the arable land, merely 50% of which is up to standard. The anthor puts forward suggestions for overcoming the aridity, and for a and more rational use of the land.
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