???? ?? ???????? ??????? ?/? ??????, ???????? ????????? ???????????? ??????? ?????????? - ????????? ?????? ???????????? ???? ??????. ? ????????, ???????? ?????????????? ? ??????????? ?? ???????????????? ??????, ?????? ??????? ????????? ?? ????????? ??????????.These early tractors had been cumbersome, and ill-suited to enter a area of planted row cr