On the basis of result of water use and equilibrium for main crops in loess hilly and gully region of north Shaanxi, analysed the water use characteristic of different crops under various management and sites. The result showed that the soil moisture in depth of 2m during crop growth period had the similar regulation with rainfall under the common year. The soil water storage had no great change after crop growth with no water deficit. The crops yield and water use efficiency were changed with crop species,...
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