00593nam a2200169Ia 4500008004100000082003400041100002400075245003800099260003900137300001000176600002600186600002600212650004400238942000700282952011700289999001700406140113s9999    xx            000 0 und d  a631.4+631.811.91:633.002.2 L9  a" Thorne, D. Wynne"  a"Soil, water and crop production"  b"The Avi publishing company, 1979"  a353p.  a" Thorne, Marlowe D."  a" Thorne, Marlowe D."  aAgricultural ecology ; Cropping systems  cBK  00104070aKYMbKYMd2014-01-13l0o631.4+631.811.91:633.002.2 L9pKBK2359r2014-01-13 00:00:00w2014-01-13yBK  c63251d63251