brown soil

基本解釋

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參土壤（暗棕壤、白漿土）栽參前后土壤有機(jī)質(zhì)特征和化學(xué)性質(zhì)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(gè)地層發(fā)育的土壤性質(zhì)差異懸殊，分別屬于棕紅壤和黃棕壤兩個(gè)不同的土壤類(lèi)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(guò)對(duì)黃棕壤和黃褐土粘粒膠膜中元素和粘粒礦物的分析，比較了粘粒膠膜和基質(zhì)土壤的性質(zhì)、元素和礦物組成之間的關(guān)系。