humus
🇺🇸
/ˈhjuːməs/
🇬🇧
/ˈhjuːməs/
Organic material in soil that provides nutrients for plants.
The gardener added compost to the soil to increase the humus and improve plant growth.
园丁向土壤中添加堆肥以增加腐殖质并促进植物生长。