By setting the databases of soils and weather,revising and validating the adaptability of the parameter of Caragana microphylla,the dynamic changes of water potential productivity of Caragana microphylla shrub land and available soil water amount in 0~9 m soil layers were simulated with WinEPIC model at Guyuan on loess hilly areas.The results show as following: Caragana microphylla growth depended on soil water and precipitation in the earlier 10 years.Water potential productivity of Caragana microphylla sh...
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