1. Berglund, D.R., 2007. Sunflower production. North Dakota State University Ext. Serv. Bulletin A-1331 (EB-25 Revised). Available at http://www.ag.ndsu.edu/pubs/plantsci/rowcrops/a1331intro.pdf.
2. Camelina uses, genetics, genomics, production, and management;Berti;Ind. Crops Prod.,2016
3. Cassel, D.K., Sweeney, M.D., 1974. In situ soil water holding capacities of selected North Dakota Soils. Bull. No. 495. Fargo: N. Dak. Ag. Exp. Sta.
4. Effects of planting date, genotype, and their interactions on sunflower yield: I. Determinants of oil-corrected grain yield;del la Vega;Crop Sci.,2002
5. Relay-intercropping soybean in different water regimes, planting patterns, and winter wheat cultivars;Duncan;J. Prod. Agric.,1997