TY - PRO AU - Osler,R.D. AU - Wellhausen,E.J. TI - Fertilization of wide crosses in the Mexican Corn Program of the Rockefeller Foundation PY - 1957/// CY - Madison, WI (USA) PB - ASA|CSSA KW - Breeding methods KW - AGROVOC KW - Crossbreeding KW - Fertilizer application KW - Germplasm KW - Mexico KW - Varieties KW - Genetic resources KW - Zea mays N1 - Abstract only ER -