Like any other Gramineous crop, hybrid rice keeps 80% of totally removed K in its shoots after ripening, only about 20% of K uptake is transported to grain, grain K content was more stable, usually around 0.5%.

• 同其它禾本科作物一样，成熟后杂交水稻保存总移出钾的80%25在其茎杆中，只有20%25吸收的钾转移到籽粒中，籽粒含钾量更为稳定，一般约为0.；5%25（表6）。