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. (2021). Veterinária Notícias, 27(1). https://doi.org/10.14393/VTN-v27n1-2021-57102