... swamp 沼地 sward soil 生草土 swarding process 生草化过程 ...
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gley sward soil 潜育性生草土壤
forest sward soil 森林生草土
sward podzolic soil 生草灰化土
sward d podzolic soil 生草灰化土
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Thatch can be described as the layer of organic residue located immediately between the sward and the soil surface.
土壤腐殖质层可被定义为在草皮与土壤表面之间的一层有机残留物。
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