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| Web URL(s): | http://search.proquest.com/docview/236920056/fulltextPDF
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| Publication Type:
| Trade |
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| Author(s): | Stehouwer, Richard |
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| Author Affiliation: | Crop and Soil Sciences Department, Penn State University, University Park, Pennsylvania |
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| Title: | Soil chemistry and the quality of humus |
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| Source: | BioCycle, The Journal of Composting & Recycling. Vol. 45, No. 4, April 2004, p. 41-46, 48. |
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| Publishing Information: | Emmaus, PA: The JG Press, Inc. |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Chemical properties of soil; Humus; Cation exchange capacity; Organic matter; Soil pH; Nutrient availability; Composts
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| Abstract/Contents: | "Separating soil physics, chemistry, and biology is one way to simplify and help the understanding of complex soil systems. But such separation is artificial. In reality, it is the intricate interplay of these properties and processes that accounts for the dynamic nature of soils. Soil chemistry is fundamentally the chemical reactions that occur in soil water and at the interface between soil water and the surfaces of soil particles. Layer silicate clays are the dominant type of clay in most soils, especially soils of temperate regions. A unique feature of layer silicate clays is that atoms other than aluminum or silicon may get inserted into the clay mineral when it forms. This disrupts the electrical balance of the mineral and a permanent negative charge results. Allophane type clays are chemically similar to the layer silicate clays, but do not have a highly ordered crystalline structure and do not have the permanent negative charge in the clay layers." |
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| Language: | English |
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| References: | 0 |
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| Note: | Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Stehouwer, R. 2004. Soil chemistry and the quality of humus. BioCycle. 45(4):p. 41-46, 48. |
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Last checked: 05/09/2014
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Last checked: 05/09/2014
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 661 .C6 |
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