00366 a2200145 4500 0750605626 338.16 CRO 25442 42984 Crop productivity Oxford Butterworth-Heinemann Ltd. 1994 1994 x,296p. 27cm Books in the biotol series Agricultural economics L 52391 52391 0 0 0 0 LEN MKDL MKDL LEN 2010-02-25 0 338.16CRO 64182 2010-02-25 00:00:00 0.00 2016-10-31 L