Assmann, J.M. et al. 2015. Carbon and nitrogen cycling in an integrated soybean‑beef cattle production system under different grazing intensities. Pesquisa Agropecuaria Brasileira. 50, 10 (Nov. 2015), 967–978. DOI:https://doi.org/10.1590/S1678-3921.pab2015.v50.20122.