Fernandes, Manlio S., Hermeto R. Didonet, and Roberto O. P. Rossiello. 2014. “Effects of Soil Applied Ammonium Plus Nytrapirin, on Growth and Metabolism of Four Rice Cultivars”. Pesquisa Agropecuaria Brasileira 16 (3):303-7. https://doi.org/10.1590/S1678-3921.pab1981.v16.16876.