Buystar Extra NP 25-05 is a microcrystalline fertigator characterized by total and immediate solubility, by a high Nitrogen and  sulphur content, and by the presence of RyZea, a natural biological activator that enriches the formulation of components capable of enhancing plant metabolism, soil-based processes and the nutritional value of the circulating solution. The elevated quantity of sulphur unblocks soil nutrients and increases root absorption. Buystar Extra NP 25-05 provides a high quantity of readily available Nitrogen, capable of stimulating plant growth and development ensuring high production yields and increasing the resistance to adversity.