Soils: An Introduction to Soils and Plant GrowthFundamentals 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. |
Contents
Soil Conservation | 7 |
Physical Properties | 16 |
Parent Materials of Soils | 29 |
Copyright | |
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acid acre alfalfa alkali soils ammonium nitrate ammonium sulfate amount anhydrous ammonia annual precipitation applied approximately areas available water bacteria Bermuda-grass boron bushels calcium calcium carbonate capacity carbonate cations cent chemical clover compaction corn cotton Courtesy crop yields cropping system deficiency density depth drainage drained exchangeable feet Figure Florida forest grasses gypsum horizons humid regions humus increase infiltration irrigation K₂O land leaching legumes lime limestone loam magnesium manure minerals muck soils mulch nitrogen nitrogenous fertilizers organic soils oxide pans particles peat peat and muck percentage phosphate phosphorus plant growth plant roots plow potash potassium potatoes pounds rainfall result rock rotation runoff salt sand sandy loam silt loam slopes Small grain sodium soil moisture soil structure Soil Survey soil test soil texture soluble superphosphate surface sweetclover symptoms texture tillage tons tricalcium phosphate United usually vegetation water table wheat wind erosion