TY - TH AU - Guindo,O. TI - Benefit-cost analysis of Ontario corn research and extension activities, 1951-1981 PY - 1987/// CY - Guelph, Ontario (Canada) PB - University of Guelph, KW - Agroindustrial sector KW - Cost benefit analysis KW - Crops KW - AGROVOC KW - Extension activities KW - Feed crops KW - Grain KW - Methods KW - Ontario KW - Primary sector KW - Production possibilities KW - Research KW - Seed industry KW - Zea mays KW - Hybrids N1 - Thesis (Ph. D) University of Guelph, 1987, tables, graphs ER -