All agriculture damages the environment - think of all those felled forests and ploughed-up prairies, all the irrigation water, manure, tractor fuel, pesticides and fertiliser.

所有的农业都损害环境，包括你所能想到的一切——砍伐森林，垦荒草原，灌溉的水源，粪肥，拖拉机消耗的燃料，杀虫剂还有化肥等。

youdao

The use of manure and composts as fertilizers is probably almost as old as agriculture.

粪肥和混合肥料的使用几乎与农业同样古老。

youdao

During the time of traditional agriculture in Guangdong, the main manure source of mountainous areas was ash, while in the plains, the main manure source was the river filth.

传统农业时代广东地区山区和平原分别以获取灰粪和泥肥作为主要肥源。

youdao

Vibrating screens sift out organic particles which are then sold as manure for land in agriculture.

FORBES: Initiative Would Shutter California Nuclear Plants For Decades While Feds Ponder Waste