People who would need to choose K2SO4 like a K resource are in the correct as well. Nevertheless, K2SO4 is more expensive than KCl.?? ???? ????????? ?? ??? ???????? ??? ????????? ?? ???? ?? ???????? ??????? ??????? ????????. ?????? ????? ???????? ?? ???? ???? ????? ??????? ???????? ????? ?? ????? ????????? ?? ??? ???????? ?????? ?????? ????? ??????