Phosphorus and potassium mainly distributes in petiole at seedling stage, then phosphorus mainly distributed to first grade taro, while potassium mainly distributed to second grade taro.

• 发棵后期和球茎膨大期主要分配在芋球茎中，其中氮磷的分配率为子芋大于孙芋，而钾则是孙芋中分配多于子芋。