00322nam a2200121Ia 4500008004100000082002000041100002400061245003700085250001200122260003600134300001000170650002000180140113s9999    xx            000 0 und d  a631.4:581.01 G7  a" Russell, E. John"  aSoil conditions and plant growth  a7th Ed.  b"Longmans, Green and co., 1937"  a655p.  aSoil conditions