This product chelates 12 kinds of nutrients needed by plants, solves the antagonism between elements, makes crop nutrition more comprehensive and balanced, supplements crop nutrition, and prevents crop deficiency symptoms. It can meet the nutrient requirements of crops at all stages of growth, and reduce the effects of normal growth and yield reduction caused by nutrient deficiency. It can enhance the photosynthetic respiration of crops, improve the activity and nutritional balance of crops, and enable crops to absorb nutrients better.