00430nam a2200157Ia 4500008004100000020001500041082001600056100002500072245004300097250000600140260003300146300000800179650004100187650003400228653001000262170901s1978    xx            000 0 und d  a0697058530  a631.4bH41P  aHausenbuiller, R. L. 0aSoil SciencebPrinciples And Practices  a2  aIowabWM. C. Brown Co.c1978  a611  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils