The concentration of SOM in soils generally ranges from 1% to 6% of the total topsoil mass for most upland soils. Soils whose upper horizons consist of less than 1% organic matter are mostly limited to desert areas, while the SOM content of soils in low-lying, wet areas can be as high as 90%.Soils containing 12-18% SOC are generally classified as organic soils.he concentration of SOM in soils generally ranges from 1% to 6% of the total topsoil mass for most upland soils. Soils whose upper horizons consist of less than 1% organic matter are mostly limited to desert areas, while the SOM content of soils in low-lying, wet areas can be as high as 90%.
Answers. Best Answer: The fibula is not a foot bone, it is a long bone of the lower leg. Stress fractures can take 4-6 weeks to heal completely, just as broken bones can.orry, something has gone wrong. Best Answer: The fibula is not a foot bone, it is a long bone of the lower leg. Stress fractures can take 4-6 weeks to heal completely, just as broken bones can.
How long does it take to recover from a collarbone fracture? Clavicle fractures should heal completely within 12 weeks. but Usually with a broken collarbone the pain and swelling are severe. How long it takes the fracture to heal depends upon many factors Some fractures can take six to nine months to heal.ryan villarico Â· 4 years ago.ut Usually with a broken collarbone the pain and swelling are severe. How long it takes the fracture to heal depends upon many factors Some fractures can take six to nine months to heal. ryan villarico Â· 4 years ago.