00302nam a2200109Ia 4500008004100000082002100041100001900062245004200081260004200123300001000165650001700175140113s9999    xx            000 0 und d  a581.143:581.5 K3  a"Evans, L. T."  aEnvironmental control of plant growth  b"New York : Academic Press Inc, 1963"  a449p.  aPlant growth