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，排出肥力丰富、物理结构理想的腐殖质。

The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
缺少腐殖质和过度淋滤使这种土壤对农业几乎无用.

Humus is dead, decaying organic matter. NOT inorganic fertilizer.
腐殖质是已死的 、 腐烂中的有机物质. 而不是无机肥料.

• #humus