01109naa a2200193 a 450000100080000000500110000800800410001910000190006024500540007926000090013352006460014265000140078865000090080265000130081165000090082465300180083365300190085177300450087017872302009-05-28 1963 bl --- 0-- u #d1 aHODGSON, J. F. aChemistry of the micronutrient elements in soils. c1963 aGeochemistry of micronutrients and its relation to soils; Distribution in igeneous rock; Redistribution during sedimentation; Amounts of micronutrients in rock and soils; Forms of micronutrients in soils; Precipitates of iron and manganese; Surface adsoprtions of heavy metals; Reactions of boron and molybdenum with soil surfaces; Reactions with organic matter; Occlusions of micronutrients; Distribution of micronutrients in soils; Geographical; Movement; Profile; Factors affecting the availability of micronutrients; pH; Organic matter; Microbiological; Oxidation and reduction; Seasonal variation; Rhizosphere; Needs for future research achemistry asoil aQuĆ­mica aSolo aMicronutrient aMicronutriente tAgronomy Journalgv.15, p.119-159, 1963.