??? ????? ??????? ??? ?? ?? ?? ??????? ?? ?????? ???? ? ?? ????? ????? ??? ??? ??? ?? ????? ??? ?? ?? ???? ??????? ?? ?????.?? ???? ???? ???? ?????? ???? ?? ???? ?? ??? ??? ?? ????? ???? ????? ? ????? ???? ?? ?? ??? ????? ??????? ???.Because the coating breaks down with time, the nutrients within are introduced in the soil. This kind of fertilizer