humus造句

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。

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.

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.

• #humus