1.To strengthen the plant cell membrane, so that the fruit less susceptible to pests and diseases, and promote good harvest 2. To promote root growth, and effectively promote metabolism of carbohydrates 3. Toxic effect of elimination of other ions, such as hydrogen ion, ammonium ion, aluminum ion, magnesium ion and other objects to be toxic, and this effect is called ion antagonism Welcome to visit our official website : http://www.aminofertilizer.com