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蓡土壤（暗棕壤、白漿土）栽蓡前後土壤有機質特征和化學性質的變化。
Soils developed from those two deposits can be classified into different soil types in Hubei, the brown red soils and yellow brown soils.
這兩個地層發育的土壤性質差異懸殊，分別屬於棕紅壤和黃棕壤兩個不同的土壤類型。
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.
通過對黃棕壤和黃褐土粘粒膠膜中元素和粘粒鑛物的分析，比較了粘粒膠膜和基質土壤的性質、元素和鑛物組成之間的關系。