指出以水稻为主的稻麦两熟地区，评价钾肥效益应以轮作周期为基础。

The paper also revealed that economic benefit of applied K should be evaluated on the basis of the rotation period in the rice-wheat cropping areas.

youdao

指出以水稻为主的稻麦两熟地区，评价钾肥效益应以轮作周期为基础。

The paper also revealed that economic benefit of applied K should be evaluated on the basis of the rotation period in the rice-wheat cropping areas.

youdao