It has been shown by study on eight typical soils of China that leaching of Se is positively related to pH, negatively related to content of clay particals, A12O3, R2O3and Se-absorption coefficient in soils.

• 对我国8种典型土壤中硒淋溶迁移的研究表明,硒的淋溶与土壤PH呈正相关关系,与土壤中粘粒含量,Al_2O_3等倍半氧化物的含量、土壤硒的吸附系数呈负相关关系。