Nutrivant Plus 19-19-19 is the fastest way to provide future crops with phosphorus, potassium, and other elements during critical phases. During plant development, the application of Nutrivant Plus 19-19-19 will stimulate root system growth. The stages with a high demand for phosphorus and potassium are the transition from vegetative to reproductive stages, the maturity stage of the plant, and the ripening stage of the crop.