i dont know maybe something
The partly decayed plant matter that enriches prairie soil is called humus. Humus is formed from the decomposition of plant and animal material, and it plays a crucial role in providing nutrients to plants and improving soil structure.
Another term for decayed organic matter is "humus".
IIt is called organic matter.
The Topsoil
It is soil. _________________ Maybe you're speaking of Humus.
compost
Duff
It is called a moor.
Decayed matter that becomes part of the soil is called organic matter. This includes leaves, plant material, animal remains, and other organic substances that break down and contribute nutrients to the soil. Organic matter is important for soil fertility and structure.
Decayed substances are commonly referred to as decomposed organic matter or simply as decaying matter. Decay occurs when organic material breaks down into simpler compounds through the action of microorganisms like bacteria and fungi.
Peatbog.
Decayed organic matter