Grichar, W. James, Jason D. Nerada, and Mark L. McFarland. “Response of Coastal Bermudagrass to Gypsum Applications”. Texas Journal of Agriculture and Natural Resources 15 (May 5, 2016): 15–22. Accessed April 25, 2024. https://txjanr.agintexas.org/index.php/txjanr/article/view/149.