To some extend, the commonality benefit is harmed if infringing the surface-water irrigation rights without compensation for limited water resources, so this is external diseconomy action.

违规取用地表水灌溉，在水资源有限的情况下，从一定程度上损害了公共利益，并对他人不能进行补偿，因而是一种外部不经济的行为。

youdao

Land leveling is an important measure for improving the efficiency of farm land surface irrigation and saving the resources of water.

平整土地是提高农田灌溉效率，节约水资源的一项重要措施。

youdao

Some engineering approaches are presented for the development of soil and water resources in southern irrigation area in Heilongjiang.

对黑龙江省南部引嫩工程地区的土水资源开发利用问题，提出若干建议措施。

youdao

Underground water is the integral part of water resources in Uzbekistan and is used for human needs, industry and irrigation.

UNESCO: OFFICE IN TASHKENT