Potassium functioned almost in all metabolic process including photosynthesis, assimilating translocation and distribution, and metabolism of energy, water, nitrogen and so on.

• 钾几乎影响植物体内所有的代谢过程，包括光合作用、同化产物运转和分配、能量代谢、水分代谢、氮素代谢等许多方面。