Search results

… The natural dynamic system of unconsolidated mineral and organic material at the earth’s surface. It has been … rock and the decay of vegetation. Soil materials include organic matter, clay, silt, sand and gravel mixed in such a … and more diversified (and more food secure) output from farming systems”. See Tenberg, A., and M. Stocking, 2001, …

… large areas, especially in developing countries, for farming, mining, tourism and other uses. Governments welcome … to combat desertification, to safeguard the processes of organic decomposition and to promote the continuing fertility …