Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal detritus at various stages of decomposition, cells and tissues of soil microbes, and substances that soil microbes synthesize. SOM provides numerous benefits to the physical and chemical properties of soil … See more The primary source of SOM is vegetal detritus. In forests and prairies, for example, different organisms decompose the fresh detritus into simpler compounds. This involves several stages, the first being mostly mechanical, … See more As vegetal detritus decomposes, some microbially resistant compounds are formed, including modified lignins, oils, fats, and waxes. Secondly, some new compounds are synthesized, like polysaccharides and polyuronids. These compounds are the … See more • Biotic material • Detritus • Immobilization (soil science) • Mineralization (soil science) • Organic matter See more The water content of most vegetal detritus is in the range of 60% to 90%. The dry matter consists of complex organic matter that is composed primarily of carbon, oxygen, and … See more Vegetal detritus in general is not soluble in water and therefore is inaccessible to plants. It constitutes, nevertheless, the raw matter from which plant nutrients derive. Soil microbes decompose … See more Soil has a crucial function in the global carbon cycle, with the global soil carbon pool estimated to be 2,500 gigatons. This is 3.3 times the amount of the atmospheric pool at 750 gigatons and 4.5 times the biotic pool at 560 gigatons. The pool of See more WebSOM: Suomi (Finnish) Options Market. Business » Stock Exchange. Rate it: SOM: Sort information (Paradox) Computing » File Extensions. Rate it: SOM: Quattro Pro Network …
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WebSoil organic matter (SOM) is a complex mixture of small molecules and biopolymers that are active in various biogeochemical processes. However, the chemical diversity of … WebJul 22, 2024 · Biological Chemistry. The Department of Biological Chemistry, a basic science department in the UC Irvine School of Medicine, is made up of a diverse and … Web1997-20047 år. La Jolla, CA. This period involved a collaboration with SDSC Deputy Director Peter Taylor that resulted in some of the first ab initio … how does dementia affect thinking