humus

humus

英 ['hjuːməs]
　　美 ['hjuməs]

n. 腐殖質；腐植土

中文詞源：

humus 腐殖質

來自拉丁語humus,泥土，土壤，詞源同exhume,humble,來自PIE*dhghem,泥土，詞源同chthonic,chameleon,chamomile.可能來自PIE*dhegh,燃燒，詞源同day,fever.詞義演變參照area.

例句：

1. Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.
蚯蚓吃下大量土壤，排出肥力豐富、物理結構理想的腐殖質。

2. The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
缺少腐殖質和過度淋濾使這種土壤對農業幾乎無用.

3. Humus is dead, decaying organic matter. NOT inorganic fertilizer.
腐殖質是已死的 、 腐爛中的有機物質. 而不是無機肥料.

4. The rendzina is rich in lime and has an upper humus horizon.
其富含有石灰和較高量的腐殖質.

5. When the humus has been formed, plants can grow well in it.
一旦腐殖土形成, 植物就可以在裡面茂盛地生長瞭.