A study on field water circulation pattern in the dryland of northern China
Agropedology ; Arid area ; China ; Crop ; Drought ; Evaporation ; Northern China ; Precipitation ; Soil moisture ; Soil water ; Water circulation
Based on the observed data of soil water from locating experiments between 1986 and 1990, using the water balance, this paper studies the field water circulation law of main crops in northern China, where the mean annual precipitation is 300-600 mm