Compound Fertilizer is usually made of nitrogen, phosphorus, potassium and some other microelements, such as magnesium, zinc, boron, etc., and the granules are beautiful and well proportioned by the measure of special processes and technology. There are two-nutrient compound fertilizer and three-nutrient compound fertilizer due to the different nutrient contents. It’s suitable for all kinds of plants and makes them stronger and healthier. Anyway compound fertilizer can improve the soil quality to build the environment-friendly agriculture.