BIONOVA - N 27 - NITROGEN 27% - 5LBionova N 27 Nitrogen 27% Concentration 1: 2500 ? NPK 3 20 0 Food grade mineral fertilizer 27% nitrogen. Bionova N 27 must be used when a deficiency in nitrogen occurs or when you want to develop an advanced vegetative growth. Bionova N 27 is free of chlorides. Plants directly absorb all food grade minerals which gives an optimal control of the cultivation. The importance of nitrogen is a well known fact for most cultivations. Nitrogen is