CORVALLIS – Adding organic matter ... of the soil, giving the microorganisms a chance to begin consuming it. Another easy way to amend garden soils is to plant a green manure cover crop.

Organic matter is important for soil health and crop productivity. While an indicator of soil quality, a lot of organic matter is in extremely stable forms, and the nutrients in such forms are ...

of soil organic matter or 11,600 lbs. of carbon, as soil organic matter is roughly 58 percent of carbon. Can a productive crop system increase soil organic matter at an annual rate of 1 percent ...