在试验研究基础上，首次提出生态灌溉新概念，围绕这一新思路深入研究了以秦王川灌区为代表的早区灌区苜蓿草地土壤水盐联合运移规律及其生态灌溉调控模式；
On the basis of experiments a new thought and concept of ecological irrigation was posed in this paper . The water production functions of purple medic and its optimal ecological irrigation pattern was then posed .
秦王川