挤压颗粒肥料主要由three elements: nitrogen, phosphorus and potassium. They are all necessary elements for plant nutrition. They can be used as base fertilizer, seed fertilizer and top fertilizer, especially in dry, less rain and deep buried areas, especially in the areas with poor soil. Extrusion fertilizer can be widely used in vegetables, fruits, rice, wheat and other economic crops as well as crops. In addition, extrusion granular fertilizer is a multi-component compound fertilizer that can completely dissolve in water. It can make the branches and leaves grow vigorously, improve the fruit quality and yield, and enhance the disaster resistance ability of crops. It has the characteristics of good effect, simple use, low cost, comprehensive nutrition and high cost performance. Extrusion granulation is the granulation of materials at room temperature. Compared with other methods, it does not need fuel oil, gas and other drying measures, so it is energy-saving, emission reduction and environmental protection. It has won a good reputation among customers with its excellent performance.