The paper analyzes the soil water dynamics and water requirement law of alfalfa,feed maize and ensile maize under 3 kinds of water-saving irrigation conditions through experimental study on the crops.

对节水灌溉条件紫花苜蓿、饲料玉米和青贮玉米需水量进行试验研究,分同灌溉水平3种饲草料作壤水动态和需水规律。