02437oam 2200745 450 991069007250332120190214102356.0(CKB)5470000002334535(OCoLC)784372560(OCoLC)995470000002334535(EXLCZ)99547000000233453520120405d1988 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEssential elements and soil amendments for plants sources and use for agriculture /by R.C. Severson and Hansford T. Shacklette[Reston, Virginia] :Department of the Interior, U.S. Geological Survey,1988.[Washington, D.C.] :United States Government Printing Office,1988.1 online resource (iii, 48 pages)U.S. Geological Survey circular ;1017"Geologic and incidental sources of elements essential for plant growth, and amendments used to improve physical properties of soils."Includes bibliographical references (pages 41-42).Essential elements and soil amendments for plants Crops and soilsCropsNutritionSoil chemistryGeochemistryFertilizersSoil amendmentsCrops and soilsfastCropsNutritionfastFertilizersfastGeochemistryfastSoil amendmentsfastSoil chemistryfastCrops and soils.CropsNutrition.Soil chemistry.Geochemistry.Fertilizers.Soil amendments.Crops and soils.CropsNutrition.Fertilizers.Geochemistry.Soil amendments.Soil chemistry.Severson R. C(Ronald Charles),1945-1402335Shacklette Hansford T.Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCOOCLCFOCLCQOCLCACOPGPOBOOK9910690072503321Essential elements and soil amendments for plants3472599UNINA