Beltrão, N. E. de M., Vieira, D. J., Nóbrega, L. B. da, Azevêdo, D. M. P. de, & Santos, J. W. dos. (1992). Response to square removing on early perennial cotton in soil with and without fertilization. Pesquisa Agropecuaria Brasileira, 27(9), 1323–1332. https://doi.org/10.1590/S1678-3921.pab1992.v27.3775