Neto, Armindo Barth, et al. “Nitrogen and Harvesting Time on the Components of Forage and Seed Yield of Guineagrass Cultivar ’Mombaça’”. Pesquisa Agropecuaria Brasileira, vol. 45, no. 11, Jan. 2011, pp. 1312-20, doi:10.1590/S1678-3921.pab2010.v45.8288.