biogeochemical cycles: the pathways for movement and ... Erosion, deposition, and the persistence of soil organic matter: mechanistic considerations and problems with terminology.

Soil organic matter is composed of soil microbes including ... approach due to the unknown consequences on global nutrient cycles and marine ecosystems (Cullen & Boyd 2008). The goal of increased ...

Soil fertility can be further improved by incorporating cover crops that add organic matter to the soil, which leads to improved soil structure and promotes a healthy, fertile soil; by using green ...

A recent study by the University of Florida highlights the critical role of soil and nutrient management in growing organic leafy greens in high tunnel systems. These structures, resembling unheated ...

Covering the soil around a plant with organic matter is the simple process of mulching ... plants from the heave-ho of spring freeze/thaw cycles. This can push them right out of the soil." ...

A study of 82 sites in 21 counties by Iowa State University showed that in the 50 years from 1959, soil structure and levels of organic matter had degraded while acidity had increased.