In general, total amount of K, Si uptake by plant increase with plant growing, the maximum content of potassium appeared at maximum tillering stage, the maximum content of silicon appeared at ripe stage.

• 通常植物吸收总钾、总硅量随着植株生长而增加，最大含钾量出现于最大分蘖期，最大含硅量出现于成熟期。