humus horizon 中文意思是什麼
humus horizon
解釋
腐殖質層-
The defining feature is the gley horizon below the humus - blue - grey clay whowe color is due to ferrous iron compounds that have been reduced by microorganisms, flecked with localized areas of rust - colored oxidized ferric compounds
潛育土的一個重要特點是位於土壤腐殖質層之下，其土層呈灰藍色是由於含有被微生物還原的亞鐵離子，而且常有部分鐵被氧化生成紅棕色的銹斑。 -
Rendzina a type of brown earth soil typical of humid to semi - arid grasslands over calcareous rocks. the rendzina is rich in lime and has an upper humus - rich horizon
黑色石灰土：一種褐色的土壤，其特徵為潮濕的半乾旱的草地上覆蓋著石灰質的巖石。其富含有石灰和較高量的腐殖質。
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