Soil geochemistry is a process of biologicalaccumulation and geological leaching of elements in same space.
土壤地球化学过程，即元素的生物积累过程与地质淋溶过程在同一空间的矛盾过程。
2
The garlic possessed a great ability of se biologicalaccumulation. 78.24% inorganic se absorbed was changed into organic se.
大蒜对硒具有强的生物富集作用，并能将吸收的无机硒的78.24%转化为有机硒。
3
The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biologicalaccumulation.