00282nam a2200109Ia 4500008004100000082002000041100002400061245003500085260003200120300001000152650001000162140113s9999    xx            000 0 und d  a631.4:581.01 E2  a" Russell, E. John"  aSoil conditions & plant growth  b"Longmans, Green and co., "  a635p.  aSoils