Macedo, M.C.M. et al. 1974. Effect of the nematode Meloidogyne exigua on the absorption of nutrients by young coffee trees: preliminary results . Anais da Escola Superior de Agricultura Luiz de Queiroz. 31, (Jan. 1974), 91–104. DOI:https://doi.org/10.1590/S0071-12761974000100007.