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.

对水灌溉条件下的紫花苜蓿、玉米和青贮玉米水量进行了试验研究,分析了不同灌溉水平下3种作物的土壤水动态和水规律。