00261nam a2200097Ia 4500008004100000082001500041100003400056245003900090260002600129300000800155140113s9999    xx            000 0 und d  a631.92  P3  a"Ehlers, Wilfried. & Goss,M."  aWater dynamics in plant production  a2003bCABIcCambridge  a273