... 交换性阳离子百分率 exchangeable cation percentage 交换性养分 exchangeable nutrient 胶粒部分 colloid fraction ...
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non-exchangeable nutrient [土壤] 非交换性养分
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The composition of exchangeable cation and the soil nutrient content can be used as the indexes to evaluate soil chemical fertility evolution, especially the former is more important.
交换性阳离子组成、养分全量及速效含量可作为评价红粘土红壤化学肥力演化的指标。
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