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T.Thomas等人叙述了一种测定活性粘粒低的土壤中的阳离子交换量(CEC)和阴离子交换量(AEC)的方法,主要步骤如下:用0.5MNH_4NO_3作为起初的提取剂,然后根
T. Thomas et al. Describe a method for the determination of the cation exchange capacity (CEC) and the anion exchange capacity (AEC) in soils with low activity clay. The main steps are as follows: 0.5MNH_4NO_3 was used as the initial extractant and roots