Management of winter and summer weeds in vineyards and olive groves with an ecological fertilizer with herbicidal propertiesAntónio Barreira, Margarida Arrobas, Carlos Cardoso and M. Ângelo RodriguesCiência Téc. Vitiv., 34 1 (2019) 36-47DOI: https://doi.org/10.1051/ctv/20193401036