... can increase the fruit setting rate to be smoothsurface, big and good tastes at the average growth rate of 20. ... of Nitrogen, Phosphorus, potassium, boron, zinc, molybdenum and manganese, and other physiological activators like fulvic acid, humic acid, amino ... product incorporating functions of nutrition, accelerating growth, regulation and good resistance for plants.Mechanism of action:Penshibao can ...