轮耕的英文：
crop rotation

crop是什么意思：
n. 作物；庄稼；收成；一批，一群；大量
v. 种植；收成

get the crops, harvest, etc in
收获作物、 庄稼等.

The ceaseless rain was bad for the crops.
绵绵不断的雨对庄稼很有害。

Crop residues are left on the surface.
作物的残根留在地面。

The river valley is intensively cropped.
河谷里种满了庄稼。

The potatoes cropped well this year.
今年马铃薯丰收。