00288nam a2200109Ia 4500008004100000082001400041100001700055245002900072260004900101300001000150650001800160140113s9999    xx            000 0 und d  a631.42 K2  a" De, S. K."  aMethods of soil analysis  b"Allahabad : Narayan publishing house, 1962"  a204p.  aSoil analysis