Albuquerque, G.A.C. de, and F.de A.F. de Mello. “ Decomposition of Corn Stalk Residues (Zea Mays L.) Evaluated by the Carbon Content and Carbonnitrogen Ratio of the Soil ”. Anais Da Escola Superior De Agricultura Luiz De Queiroz, vol. 47, no. 1, Jan. 1990, pp. 233-41, https://doi.org/10.1590/S0071-12761990000100014.