腐殖质层 meaning in Chinese

h layer humus layer
h-horizon
h-layer
humus horizon
humuslayer
mold cover
mould cover

The black earth is a kind of alfisol , with a thick layer of humus , loose texture , high fertility , high porosity ratio , poor permeability and a high content of clay , which is suitable for cultivation
摘要黑土是一种腐殖质层厚，质地松散，肥力很高，孔隙比较大而透水性差，粘粒含量高，适于耕作的淋溶土。
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
潜育土的一个重要特点是位于土壤腐殖质层之下，其土层呈灰蓝色是由于含有被微生物还原的亚铁离子，而且常有部分铁被氧化生成红棕色的锈斑。