tractor with milling machine loosens, grinds and mixes ground. grinding and loosening soil, removing plants and roots from past

agrarian agribusiness agricultural agriculture crop crumbling cultivated cultivates cultivating cultivation economy equipment farm farmer farming farmland field further grinding grinds ground growing harvest industry land loosening loosens machine milling mixes mixing nature new past plantation planting plants plowing plows preparation processing removing roots rural sector soil surface technology tillage tractor weeds