Chávez, L. F., Escobar, L. F., Anghinoni, I., Carvalho, P. C. de F., & Meurer, E. J. (2012). Metabolic diversity and microbial activity in the soil in an integrated crop‑livestock system under grazing intensities. Pesquisa Agropecuaria Brasileira, 46(10), 1254–1261. https://doi.org/10.1590/S1678-3921.pab2011.v46.9077