Crop Regulated Deficit irrigation (RDI), based on the crop-waterrelations, is an irrigation technique with high yield and water use efficiency.
作物调亏灌溉是建立在作物与水分关系基础上的一种节水高产灌溉技术。
2
Forest waterrelations and their implications in watershed management, therefore, are one of the key themes of international hydrology and watershed management research.
森林与水的关系及其在流域管理中的应用，是国际水文学及流域管理学界十分关注的课题之一。
3
But conflicts of interest over water can certainly poison inter-state relations, even when an imbalance of power is so great that the aggrieved party could never consider using force.