Blount, A. R., D. M. Ball, R. K. Sprenkel, R. O. Myer, and T. D. Hewitt. “Crabgrass As a Forage and Hay Crop: SS-AGR-193/AG195, 8/2003”. EDIS, vol. 2003, no. 12, July 2003, doi:10.32473/edis-ag195-2003.