The waste-water irrigation has brought considerable benefits of water and fertilizer efficiency to agricultural production.

因此，污水灌溉给农业生产带来了可观的水、肥效益。

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Property rights of rural land resources is not clear, leading to low efficiency of current agricultural production, the occupation of large tracts of arable land, waste land of the main reasons.

农村土地资源产权的不明晰，是导致当前农业生产效率低下，大片耕地被侵占、抛荒的主要原因。

youdao

Best estimates of future global agricultural water consumption (including both rainfed and irrigated agriculture), are of an increase of about 19% by 2050, but this could be much higher if crop yields and the efficiency of agricultural production do not improve dramatically.

UNESCO: CULTURE