LIQUID COMPLEX FERTILIZER NPK 3-0-9 (Ecological potassium nitrate) Can be used in organic and sustainable farming. Liquid complex NPK 3-0-9 fertilizer on Nitrate Nitrogen (NO3-) and Potassium oxide (K2O+) ions basis is designed more for professional farms purposes and can be used through all fertilization systems. fertilization of all types of vegetables, for ornamental plants, fruit trees, grass, lawn, herbs and much more. High-quality and balanced blend of plant-based nutrients for strong plant growth and a rich harvest. Increases protein content in plants, starch contain in grains and tubers Improves fruit color, fruit size and flavour. Easy to use and with long-lasting effect.