The results show that the content of Eu in rice root, stem and leaf leaches the highest in tillering stage when the same concentration is given, however in tasseling stage, the lowest.

• 作者首次采用标记示踪法测定了水稻在秧苗期、分蘖期、壮苞期、抽穗期、乳熟期等5个生育期吸收铕的情况为：同一处理浓度卜，水稻根、茎、叶的铕含量在分蘖期最高，抽穗期最低，水稻中铕含有量随生育期呈低-高-低-高的变化规律。