Soils: An Introduction to Soils and Plant Growth
Fundamentals of soil science; Soils and plant growth; Physical properties; Parent materials of soil; Soil formation and classification; Soil survey; Chemical and colloidal properties; Life in the soil; Organic matter; Soil water; Plant nutrition; Applied soil science; Lime and liming practices; Fertilizers and their characteristics; Use of fertilizers; Tillage; Water conservation; Soil conservation; Irrigation practices; Drainage systems; Manure, compost, sewage sludge, and sawdust; Management of mineral soils in humid regions; Management of peat and muck soils; Management of soils in arid and semiarid regions; Soil and plant diagnosis.
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Soils and Plant Growth
Plant Nutrition Cont
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acid acre acre-inches actinomycetes alfalfa ammonia ammonium amount anions approximately areas atmosphere available water available water capacity average bacteria calcium carbon chemical Chernozem classified clay crystals clay loam clover coarse corn Courtesy cropping system decomposition deficiency depth drainage earthworms exchange capacity fertilizer field capacity Figure forest fungi grasses horizon humid regions humus inch per hour increase infiltration irrigation land layer leaching legumes less lignin lime limestone magnesium manure minerals muck soils mycorrhiza nitrate nitrogen oxide oxygen parent material peat and muck percentage percolation permeability phosphate phosphorus plant growth plant nutrients plant roots plow pore space potash potassium pounds production result rock rotation saline salt sand sandy loam silt loam slope sodium soil formation soil map Soil material soil moisture soil organic matter soil structure Soil Survey soil texture soil types soluble sulfate superphosphate surface soil Sweetclover Texas tillage United usually vegetation wheat wind erosion