Roberto dos A. Reis Júnior, Douglas R. G. Silva, Fabrício W. Ávila, Patrícia A. de Ávila, Danilo de A. Soares and Valdemar Faquin (2022) “Productivity and agronomic efficiency of cotton plants in response to nitrogen and sulfur supply”, Brazilian Journal of Agricultural Sciences, 7(4), pp. 555-561. doi: 10.5039/agraria.v7i4a1514.