brown soil

基本解释

The humic and chemical properties of major Gensing cultivated soils, dark brown soils and planosols, were studied.
本文研究了吉林省主要栽参土壤（暗棕壤、白浆土）栽参前后土壤有机质特征和化学性质的变化。
Soils developed from those two deposits can be classified into different soil types in Hubei, the brown red soils and yellow brown soils.
这两个地层发育的土壤性质差异悬殊，分别属于棕红壤和黄棕壤两个不同的土壤类型。
The characteristics of elements and clay minerals of argillans in yellow brown soils and yellow cinnamon soils in the central China were analyzed and compared with their matrix soils.
通过对黄棕壤和黄褐土粘粒胶膜中元素和粘粒矿物的分析，比较了粘粒胶膜和基质土壤的性质、元素和矿物组成之间的关系。