Because that is a ‘straight’ ratio fertilizer, each of the nutrients are in a similar amount. So you merely multiply by the identical figures for every nutrient. ??????????????? ??????????? ? ????????????? ?????? ??? ????? ??????, ?? ???????????!???? ?? ??? ??? ?? ???? ??? ? ?? ? ????? ?? ??? ????? ?? ???? ???? ?????. ??? ????? ???? ?? ??????