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(1935) Processing the Soybean, 1935. Iowa State University
(1949) Extraction of Soybean Oil By Trichloroethylene, 1949. Education, Department of
(1966) Feasibility of Soybean Oil Refining in Iowa, 1966. Iowa State University
(1982) How a soybean plant develops,1982. Iowa State University
(1983) Sulfur--an essential nutrient, 1983. Iowa State University Extension
(1985) How a soybean plant develops,1985. Iowa State University
(2007) Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode in Iowa, 2007. Iowa State University Extension
(2007) Managing Soybean Cyst Nematode, 2007. Iowa State University Extension
(2007) Managing Soybean for High Yield, 2007. Iowa State University Extension
(2007) Optimum Plant Population in Iowa, 2007. Iowa State University Extension
(2007) Optimum Plant Population in Iowa, 2007. Iowa State University Extension
(2007) Optimum Plant Population in Iowa, 2007. Iowa State University Extension
(2007) Soybean Planting Date, 2007. Iowa State University Extension
(2007) Soybean Planting Date, 2007. Iowa State University Extension