Edaphos: Dynamics of a Natural Soil System |
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accumulation acids activity aeration amount analysis animal applied atmosphere autotrophic bacteria base cations biological bone meal C:N ratio calcium CALIFORNIA/SANTA CRUZ Carbon Compounds CARBON CYCLE carbon dioxide cause chapter chemical CO₂ colloidal components compost contain create crops CRUZ The University cycle decomposition depletion earth effect energy environment eventually factors fertilizer Figure fungi growth humates humic humic acid humus hydrogen increase inorganic insects ions lime magnesium manure microbes microorganisms natural organic nitrate nitrogen nutrients occur organic nitrogen oxygen parent material percent pest pest organisms phosphorus pile plants populations potash potassium problems production protein residues rock phosphate roots sample sand soil organic matter soil particles soil pH Soil Science soil system soil's soluble species suction sulfate sulfate of potash sulfur temperature trace elements University Library UNIVERSITY UNIVERSITY OF CALIFORNIA/SANTA utilized Waksman weathering weeds Yes No Yes Yes Yes