Nutrients in soils.
Nebraska Department of Agriculture, Lincoln 68502-5399, USA. chaslf@agr.state.ne.us
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Focht
D005308:Fertilizers / Q000032:analysis; D008670:Metals / Q000032:analysis; D010758:Phosphorus / Q000032:analysis; D010944:Plants / Q000737:chemistry / Q000378:metabolism; D012987:Soil / Q000032:analysis*
D005308:Fertilizers; D008670:Metals; D012987:Soil; D010758:Phosphorus