00443nam a2200169Ia 4500008004100000020001500041082001700056100001900073245001900092250000600111260003500117300000800152650004100160650003400201653001900235700001900254170901s1997    xx            000 0 und d  a1566702437  a631.42bF71S  aFoth, Henry. D 0aSoil Fertility  a2  aLondonbLewis Publishersc1997  a290  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoil fertility  aEllis, Boyd. G