00816nam a2200241 a 4500 267494 090510s1972 nyua b 001 0 eng d 75146619 10028012 DLC DLC ORE 633 Hughes, Harold De Mott, 1882-1969. Crop production [by] Harold D. Hughes [and] Darrel S. Metcalfe. 3d ed. New York, Macmillan [1972] xi, 627 p. illus. 24 cm. Includes bibliographies and indexes. Field crops. Metcalfe, Darrel S., 1913- 521 521 0 0 ddc 0 0 BRACUL BRACUL GEN 2009-05-10 0.00 0 633 HUG 3010001459 2009-05-10 1 2009-05-10 BK