Neto, Francisco Bezerra, and Robert H. Robichaux. “Spatial Arrangement and Density Effects on an Annual Cotton Cowpea Maize Intercrop. II. Yield and Biomass”. Pesquisa Agropecuaria Brasileira 32, no. 10 (October 1, 1997): 1029–1037. Accessed January 28, 2026. https://apct.sede.embrapa.br/pab/article/view/4752.