00470nam a2200193Ia 4500008004100000041001200041082001000053082001100063100001700074100001100091245003600102260001400138260003100152260000900183300001500192365002500207650002700232650001700259150909s9999    xx            000 0 und d  aEnglish  a631.4  bTHO/SO  aThorne D W    eAuthor  aSoil, water and crop production  aWest Port  bAvi Publishing company Inc  c1979  a352  Pages  aRs .117 .00           aAgricultural chemistry  aSoil Science