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2008 sunflower performance tests
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2009)
2010 sunflower performance tests
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2011)
2009 soybean variety performance tests
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2009)
2009 sunflower performance tests
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2010)