Santos, J.P. The first sugarcane mattology (weed science)research program in Alagoas, Brazil [Saccharum spp; Cana de acucar; Erva daninha] - Maceio, AL (Brasil): 1979. - 22 p. Summaries (Eng, Spa) Subjects--Topical Terms: Erva daninhaCana de acucarAlagoas