LEADER 02437oam 2200745 450 001 9910690072503321 005 20190214102356.0 035 $a(CKB)5470000002334535 035 $a(OCoLC)784372560 035 $a(OCoLC)995470000002334535 035 $a(EXLCZ)995470000002334535 100 $a20120405d1988 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aEssential elements and soil amendments for plants $esources and use for agriculture /$fby R.C. Severson and Hansford T. Shacklette 210 1$a[Reston, Virginia] :$cDepartment of the Interior, U.S. Geological Survey,$d1988. 210 3$a[Washington, D.C.] :$cUnited States Government Printing Office,$d1988. 215 $a1 online resource (iii, 48 pages) 225 1 $aU.S. Geological Survey circular ;$v1017 300 $a"Geologic and incidental sources of elements essential for plant growth, and amendments used to improve physical properties of soils." 320 $aIncludes bibliographical references (pages 41-42). 517 $aEssential elements and soil amendments for plants 606 $aCrops and soils 606 $aCrops$xNutrition 606 $aSoil chemistry 606 $aGeochemistry 606 $aFertilizers 606 $aSoil amendments 606 $aCrops and soils$2fast 606 $aCrops$xNutrition$2fast 606 $aFertilizers$2fast 606 $aGeochemistry$2fast 606 $aSoil amendments$2fast 606 $aSoil chemistry$2fast 615 0$aCrops and soils. 615 0$aCrops$xNutrition. 615 0$aSoil chemistry. 615 0$aGeochemistry. 615 0$aFertilizers. 615 0$aSoil amendments. 615 7$aCrops and soils. 615 7$aCrops$xNutrition. 615 7$aFertilizers. 615 7$aGeochemistry. 615 7$aSoil amendments. 615 7$aSoil chemistry. 700 $aSeverson$b R. C$g(Ronald Charles),$f1945-$01402335 702 $aShacklette$b Hansford T. 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCQ 801 2$bOCLCA 801 2$bCOP 801 2$bGPO 906 $aBOOK 912 $a9910690072503321 996 $aEssential elements and soil amendments for plants$93472599 997 $aUNINA