?? ???? ????????? ?? ??? ???????? ??? ????????? ?? ???? ?? ???????? ??????? ??????? ????????. ?????? ????? ???????? ?? ???? ???? ????? ??????? ???????? ????? ?? ????? ????????? ?? ??? ???????? ?????? ?????? ????? ?????? ??? ???? ?????. Potash is extremely crucial for China — the region is t