Ruschel, Alaides Puppin, Renato Ruschel, Dejair Lopes de Almeida, and Allert Rosa Suhet. “Influence of Mineral and Organic Nitrogen on Symbiotic Fixation of Nitrogen by Soybeans”. Pesquisa Agropecuaria Brasileira 9, no. 10 (April 15, 2014): 125–129. Accessed November 11, 2025. https://apct.sede.embrapa.br/pab/article/view/17271.