one modern tractor with a trailed disc harrow works a wide hilly field before sowing. autumn or spring agricultural campaign

field hilly agricultural farmland agronomy tractor harrow cultivator land tillage machine machinery soil ground farming presowing farm arable wide work spring autumn industry outdoors rural countryside outside evening large plantation light sky nature landscape meadow economy nonurban no people scenic season cultured cultivated crop production wallpaper presentation technology vast panoramic view one modern trailed disc works sowing campaign heavy