But lettuces have quite shallow roots and wish a lot of nitrogen to establish our favorite leafy greens. ???????? ??? ???? ???????? ??? ???? ????? ?????? ?????????? ???????? ?? ??????????, ????????? ??????????? ???????, ??????? ???????, ??????? ??????? ? ?????????? ???????????? ?? ?? ??????????? ???? ??????? ?? ????????? ???!Nitrogen aids plants w