Newman, Yoana C., Cheryl Mackowiak, Rao Mylavarapu, and Maria Silveira. 2008. “Fertilizing and Liming Forage Crops: SS-AGR-176/AG179, Rev. 1/2008”. EDIS 2008 (1). Gainesville, FL. https://doi.org/10.32473/edis-ag179-2008.