Moisture Budget of Farmland and Analysis of Development in the Dry Land Growing

Based on the research about balance of farmland moisture,the analysis of one crop yield has been applied to crops of all kind. The results show that crops fond of water in dry land have the closest relation with the field moisture budget,while drought resistant crops have a relationship with the field moisture that is not as close as the former ones and others is placed in the middle. Combined with economic price,a policy of development is put forward.

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