饱和百分率
When the concentration of exogenous La 3+ was higher than 300 mg/ kg, base saturation percentage ( BSP) and effective cations exchange capacity ( ECEC) decreased significantly, exchangeable acidity and exchangeable aluminum, however, increased significantly compared with the control.
当外源镧浓度大于300mg/kg时,土壤盐基饱和度与有效阳离子交换量显著降低,而交换性酸和交换性铝显著增加。
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