Search Results       Your search for [subject]Hybrid maize -- Genetic contributions to yield gains returned 1 record.           Genetic contributions to yield gains of five major crop plants. Madison, Wisconsin: Crop Science Society of America, American Society of Agronomy, 1984. Subject: Sorghum -- Genetic contributions to yield gains -- 1950-1980; Hybrid maize -- Genetic contributions to yield gains; Soybean productivity -- Genetic technology; Cotton -- Genetic contributions to yield changes; Wheat -- Genetic contributions to yield gains.          Add to Book Cart Relevance: 65.92%