Cecchin, K. Favaretto, A. Scheffer-Basso, S.M. Bertol, C.D. Chini, S.O. Allelopathy and allelochemicals of Eragrostis plana (Poaceae)and its relation with phenology and nitrogen fertilization Subjects--Topical Terms: ERAGROSTIS PLANAGERMINAÇÃOALELOPATIAAGROECOLOGIA