For different K levels, the most part of K absorbed by wheat is obtained from non exchangeable sources, among which the difference for mineral potassium is of relatively more significant.
在不同钾水平条件下，它们吸收利用土壤中的钾大部分来自非交换性钾源，其中矿物钾差异比较显著。
The results showed that the effect of straw returning on available K and non-exchangeable K were more notable than mineral K and total K.
试验表明，秸秆还田对土壤速效钾、非交换钾的影响最大，对矿物钾和全钾的影响很小。
应用推荐