n.腐殖质

The humus in the soil is crucial for plant growth.
土壤中的腐殖质对植物生长至关重要。
The gardener added compost to enrich the humus content of the garden bed.
园丁添加了堆肥以增加花坛中的腐殖质含量。
Worms play an essential role in breaking down organic matter and forming humus.
蚯蚓在分解有机物质并形成腐殖质的过程中起着关键作用。
The high humus content of this forest soil makes it perfect for growing conifers.
这片森林土壤中腐殖质含量高，非常适合种植针叶树。
Farmers often turn over the topsoil to mix in more humus during preparation for planting.
农民们通常会在播种前翻耕表土，以便混入更多的腐殖质。
The addition of leaf mold can improve the texture and humus content of sandy soils.
添加落叶腐殖土可以改善沙质土壤的质地和腐殖质含量。
Organic gardening relies on building up the humus level in the soil over time.
有机园艺依赖于随着时间的推移逐渐提高土壤中的腐殖质水平。
The compost pile, rich in humus, is ready to be spread across the vegetable garden.
富含腐殖质的堆肥已经准备好施放到菜园里。
A well-established ecosystem has a balanced ratio of living organisms and decomposing materials that create humus.
一个成熟的生态系统具有生物与分解材料之间平衡的比例，从而形成腐殖质。
The use of chemical fertilizers can reduce the natural humus formation process in agricultural lands.
使用化肥会导致农田中自然腐殖质形成过程减少。