BIONOVA - K 20 - POTASSIUM 20% - 1000LBionova K 20 Potassium 20% Concentration 1: 2000 NPK 3 0 20 Food grade mineral fertilizer 20% potassium, Bionova K 20. Plants have a high demand for potassium during the maturation phase. Potassium plays an important role in the osmoses regulation, in the opening and closing of the stomatas, the protein synthesis and the functioning of enzymes. Which results in a higher quality flower, improved firmness and dry weight content. Plants directly absorb