But lettuces have very shallow roots and need an abundance of nitrogen to produce our favourite leafy greens. ???? ????? ??? ?? ????? ????? ?? ????? ????? ????? ??? ? ????? ?????? ? ?????????? ?? ???? ???? ? ???? ???. ??????? ??? ?????? ???? ????? ???????????? ???? ???? ? ?? ???? ????? ?? ????? ????? ???? ????? ?????.Advanced, good, mineral fertil