Buystar Extra NPK 18-18-18 is a microcrystalline fertigator, with total and immediate solubility, characterized by the extreme pureness of the raw materials and by the presence of RyZea, the natural, biological activator that enriches the formulation of components enhancing plant metabolism, soil-based processes and the nutritional value of the soil solution. Buystar Extra NPK 18-18-18 is a balanced mixture of Nitrogen, Phosphorus and Potassium, very soluble and it presents a physiological acid reaction capable of unlocking the soil’s nutrients. Buystar Extra NPK 18-18-18 energetically enhances the metabolism of the plants ensuring high production yields and increasing resistance to adversity.