Batista, V.V., P.F. Adami, M.L. Ferreira, C.L. Giacomel, J.S. Silva, and K.F. Oligini. “HUMIC/FULVIC ACID AND NITROGEN IN THE CORN CROP YIELD”. Revista Brasileira de Engenharia de Biossistemas 12, no. 3 (September 30, 2018): 257–267. Accessed May 3, 2024. http://seer.tupa.unesp.br/index.php/BIOENG/article/view/690.