Aa Aa Aa Organic matter is a key component of soil that affects its physical, chemical, and biological properties, contributing greatly to its proper functioning on which human societies depend.

The research, led by scientists from Peking University and Chinese Academy of Sciences, investigates how soil organic carbon (SOC) is distributed in two key fractions—particulate organic carbon ...

As the layer of fertile topsoil thins ... State University showed that in the 50 years from 1959, soil structure and levels of organic matter had degraded while acidity had increased.

silt or fine organic matter in suspension from a soil horizon. The iron and aluminium oxides collect in the 'B' horizon where the iron oxides can accumulate to form a thin layer of hardpan ...

Often called topsoil, this layer features organic matter along with a good mix of particle sizes, known as texture, found in ...

Various organic matter sources can be used to enhance soil health. Common options include compost, aged leaves, well-rotted hay or silage, peat moss, composted manure, green cover crops, and untreated ...