Amaral, Camila Baptista do, et al. “Yield and Quality of Common Bean Cultivated on Grass Straws and Fertilized With Nitrogen under No-Tillage”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 9, Oct. 2016, pp. 1602-9, doi:10.1590/S1678-3921.pab2016.v51.22493.