Abstract No-till cropping systems with cover crops can improve soil health, but often rely on glyphosate, which is a contentious herbicide. In this study, we investigated whether system based the direct sowing of sunflower ( Helianthus annuus ) in dead mulch roller-crimped hairy vetch Vicia villosa could be competitive where glyphosate also sprayed to terminate crop and control weeds. We hypoth...