Távora, Francisco José A. Fernandes, and Luiz Henrique de O. Lopes. 2014. “Water Stress in the Maize X Cowpea Intercropping”. Pesquisa Agropecuaria Brasileira 25 (7):1011-22. https://doi.org/10.1590/S1678-3921.pab1990.v25.13547.