交换性阳离子 meaning in English

exchangeable cation

Effects of simulated acid rain on exchangeable cation transplant and acidifying potential in litchi orchard soils
模拟酸雨对果园土壤交换性阳离子迁移及其对土壤酸化的影响
Concentrations of exchangeable cations of soil and their seasonal dynamics in three representative forests of dinghushan biosphere reserve
鼎湖山主要森林类型土壤交换性阳离子含量及其季节动态特征