The Yangtse River irrigates vast stretches of farmland along its course.

长江灌溉着两岸大片农田。

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.

对节水灌溉条件下紫花苜蓿、饲料和青贮水量进行试验研究,分析不同灌溉水平下3种饲草料土壤水动态和水规律。