Provide most of the organic matter that gets broken down to form humus.
No, Humus is made from dead organic plants and animals.
Both humus and minerals contain nitrogen for growth of plants. Alluvial soils are rich in humus and minerals making them good for growth of plants.
plants and humus
Humus
Legumes contain nitrogen fixing bacteria in their roots, which provides nutrients to other plants. Nutrition
humus is a source of nutrients which makes soil fertile.
The Fertile soil contains lots of microorganisms which decompose the complex dead bodies of animals and plants into simpler substance called Humus.
Animal feces and dead plants that are decayed can become humus.
humus
humus
it kills plants:(