(Antônio Henrique Garcia, 1981-10) Albertoni, Marcia Regina; Almeida Neto, José Xavier de
A survey was made of weeds found in cotton, rice, corn and soybean fields and coffee plantations, and also in pastures composed of the following grases: Brachia ria decumbens, Hyparrhenia rufa, Panicum maximum and Brachiria humidicola, The study was carried out, between janury 1980 and july 1981, in a total of sixty-five counties within twelve microregions in the State of Goiás. Fifty-nine of know species of weeds were identified in a total two-hundred seventy-nine observations.