Description: Crop variety improvement and its effect on productivity :

Other Authors:	Gollin,, Evenson,
Published:	New York: CABI Pub., 2003.
Subjects:	Field crops -- > Genetics Crop improvement Agriculture -- > Research -- > International cooperation Agricultural productivity Field crops -- > Breeding

Physical Description:	xxv, 522 p.: ill.; 25 cm..
ISBN:	0851995497