00340nam a2200121Ia 4500008004100000082001500041100001800056245002700074260004400101300001400145600001700159650004200176140224s9999    xx            000 0 und d  a631.416 K7  aJackson, M.L.  aSoil chemical analysis  aNew DelhibPrentice-Hall of Indiac1967  axiv,498p.  aM.L. Jackson  aSoil Analysis,Soil chemistry-analysis