Machado, L. A. Z., & Assis, P. G. G. de. (2011). Straw and forage production of annual and perennial species in succession to soybean. Pesquisa Agropecuaria Brasileira, 45(4), 415–422. https://doi.org/10.1590/S1678-3921.pab2010.v45.3013