Potash plays very important job in the manufacture of proteins and sugars. It shields towards draught by sustaining plants h2o content. - K20: sixty%?? ????? ?? ???? ????? ?? ????????? ??????? ????????? ??? ?????? ??????????? ????????? ??????? ?? ??????? ???????.?? ???? ????????? ?? ??? ???????? ??? ????????? ?? ???? ?? ???????? ??????? ??????? ???