According to previous research and data, this paper review some aspects how quality of some crops such as cereal crop, root and tuber crop, vegetable and flue-cured tobacco is affected by potassium.

• 根据前人的资料和研究，对钾如何影响谷类作物，块根、块茎作物、蔬菜及烤烟品质的问题作了简要评述。