Beltrano, José, Marta Guillermina Ronco, Roberto Barreiro, and Edgardo Raúl Montaldi. 1999. “Plant Architecture of <i>Paspalum vaginatum< I> Schwartz Modified by Nitrate and Ammonium Nutrition”. Pesquisa Agropecuaria Brasileira 34 (7):1159-66. https://doi.org/10.1590/S1678-3921.pab1999.v34.5317.