The exchangeable acidity in constant charge soils is pronouncedly larger than that in variable charge soils.
恒电荷土壤的可交换性酸量明显大于可变电荷土壤。
The results showed that the input of hydrogen ions into soils could transform into positive charges, soluble Al and exchangeable acidity.
研究结果表明，氢离子输入土壤后可以转化为表面正电荷、可溶性铝和可交换性酸。
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