与其它作物相比，对钾的需要量更多。
Compared with other crops on the potassium requirements for more.
随着农产品产量和品质的不断提高，作物对钾素的需要量也不断增加。
The requirement for K supply increases with the increasing of crop yield and quality.
随着农产品产量和品质的不断提高，作物对钾素的需要量也不断增加。
The requirement for K supply increases with the increasing of crop yield and quality.
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