SOIL ORGANIC MATTER AND SOIL PRODUCTIVITY : SEARCHING FOR THE MISSING LINK
作者： Felipe G. Sanchez
DOI: 10.1007/978-1-4612-2178-4_29
关键词:
摘要: Soil-organic matter (SOM) is a complex array of components including soil faun and flora at different stages decomposition (Berg et al., 1982). Its concentration in soils can vary from 0.5% mineral to almost 100% peat (Brady 1974). Organic (OM) the surfa\(\tilde{\text c}\)e considered majo determinant forest ecosystem productivity because it affects water retention structure, nutrient cycling (Powers 1990; Paul 1991). Soil-organi major source nitrogen available plants contains as much 65% total phosphorus (Bauer Black, 1994).
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