Silva, M. B. da, Kliemann, H. J., Silveira, P. M. da, & Lanna, A. C. (2007). Soil biological attributes influenced by cover crops and management systems. Pesquisa Agropecuaria Brasileira, 42(12), 1755–1761. https://doi.org/10.1590/S1678-3921.pab2007.v42.7759