People who would wish to go with K2SO4 to be a K supply are in the correct far too. Nonetheless, K2SO4 is more expensive than KCl.?? ???? ????????? ?? ??? ???????? ??? ????????? ?? ???? ?? ???????? ??????? ??????? ????????. ?????? ????? ???????? ?? ???? ???? ????? ??????? ???????? ????? ?? ????? ????????? ?? ??? ???????? ?????? ?????? ????? ??????