特性量：交换性钙(exchangeable Ca), 交换性钾 (exchangeable K),交换性铝(exchangeable,Al),交换性镁 (exchangeable Mg),交换性钠(exchangeable Na),交换性氢(exchangeable H),全氮(N),水解性...
基于10个网页-相关网页
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。
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。
应用推荐