Ferreira, J. H.; Crocomo, O. J.; Mello, F. de A. de. Effects of Biuret on Sweet Sorghum (Sorghum Bicolor L. Moench) Evaluated by the Contents of Nitrogen Compounds and Sugars . An. Esc. Super. Agr. Luiz de Queiroz 1986, 43 (2), 671-689. https://doi.org/10.1590/S0071-12761986000200016.