Based on data collected by random survey of soil moisture in loess hilly and gully region,the authors analyzed the soil moisture dynamics of different land uses.The study showed that land uses resulted in the differences of dynamic characteristics of soil moisture.The crop land and the apple-orchard land had the same dynamics variation.With the process of time,soil moisture increased gradually and then fell.The lands without human husbandry,such as forest,shrub and grass land had the different trend.The soi...
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