00419nam a2200157Ia 4500008004100000082001600041100001600057245003400073250000600107260003000113300000800143650004100151650003400192653001600226653001900242170901s1975    xx            000 0 und d  a631.8bT54S  aTesdale, S. 0aSoil Fertility And Fertilizer  a3  aNew YorkbMacmillanc1975  a694  aAgriculture and related technologies  aTechnology (Applied sciences)  aFertilizers  aSoil fertility