Humus is dark in color, rich in nutrients essential for plant growth, and significantly improves soil structure, water retention, and aeration. It is a key indicator of soil fertility.
The organic component of soil, formed by the decomposition of leaves and other plant materials that adds to the fertility of the soil is called :
Asked in UPSC CISF AC EXE 2022 · Topic: Ecology (Ecosystem: Structure and Components)
More Environment and Ecology questions
- Which one of the following pairs is correctly matched?
- In the aquatic ecosystem of a pond, which of the following components is represented by fungi, bacteria and flagellates ?
- An ecosystem consists of
- Biotic environment includes
- Functional unit of nature is termed as : Atmosphere (2) Biosphere Ecosystem (4) Environment
- Two components of the ecosystem are-
- Which one of the following is not a biotic resource?
- Food chain is