Aluminum flocculants have an important role in the flocculation and settling of fine sediment, and are often used to clear muddy water and treat agricultural waste water.

铝类絮凝剂对细颗粒泥沙絮凝沉降有重要作用，常应用于浑水澄清、农业污水处理等研究中。

youdao

Water used for agricultural production and solid waste used as fertilizers shall be in conformity with the standards set by the State.

农业生产用水和用作肥料的固体废物，应当符合国家规定的标准。

youdao

Agricultural water is the main user and the ratio to the national water is about 73%, but its waste is very severe.

农业是整个国民用水的大户，约占全国用水量的73%，但有效性差，水资源浪费十分严重。

youdao

Usess of the Airware technology, which started shipping last November, so far include agricultural drones that use image analysis to decrease waste of water and increase crop yields.

FORBES: Drone Startup Airware Lands $10.7 Million Series A Led By Andreessen Horowitz