TY - BOOK AU - Fehr,W.R. TI - Genetic contributions to yield gains of five major crop plants : : proceedings of a symopsium sponsored by Division C-1 of the Crop Science Society of America, 2 December 1981, in Atlanta, Georgia SN - 0891185178 (pbk. ) AV - SB185.7 G46 1984 PY - 1984/// CY - Madison, Wis. PB - Crop Science Society of America, America Society of Agronomy KW - Crop Science Society of America KW - Field crops KW - Breeding KW - Congresses KW - Genetics KW - Crop yields N1 - Includes bibliographical refereneces ER -