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English[en]
Improvement of water retention by plant tissue encourages frost resistance and resistance to certain diseases . But potassium also averts waste of water in other ways. The most important of these is its involvement in the movement of the stomata (little pores opening in the leaves which can open or close, and regulate transpiration).
Chinese[zh]
一个植物在含水方面能力的改善增强它对霜冻和一些病害的抵抗能力。 但是,钾肥也通过其他方式减少浪费水分:最主要的表现是:钾肥参与叶片气孔的活动。 这些气孔张开或是封闭调节呼吸。

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