2021. SORGHUM CULTURE INITIAL ESTABLISHMENT BASED ON SOWING MACHINES WORKING SPEED AND FURROWING MECHANISMS: THE INITIAL ESTABLISHMENT OF MAIZE CROPS BASED ON WORKING SPEED AND ON THE FURROWING MECHANISMS OF SOWING MACHINES. Veterinária Notícias. 27, 1 (Feb. 2021). DOI:https://doi.org/10.14393/VTN-v27n1-2021-57102.