27 - 28.page03 - NRES 201 Inro to Soil Science Lec. 27-28...

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Unformatted text preview: NRES 201 Inro to Soil Science Lec. 27-28 Soil Organic Matter Ch. 11 3/13/2007 High (a) and Low (b) C/N ratio OM decomposition C/N Ratios and Decomposition Decomposition of Plant Material 20:1 Low C/N ratio: High C/N ratio N Mineralization N Immobilization Faster Breakdown Slower Breakdown No Nitrate Depression Nitrate Depression 3 ...
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