00272nam a2200109Ia 4500008004100000082001700041100002000058245002800078260002800106300001000134650001800144140113s9999    xx            000 0 und d  a631.427.3 L0  a" Piper, C. S."  aSoil and plant analysis  b"Hans publishers, 1970"  a368p.  aSoil analysis