1, Promote the rapid absorption of leaf nutrients and improve the efficiency of nutrient absorption and utilisation;

2, Improve the crop's ability to tolerate and adapt to adversity, strengthen plants, and maintain and improve metabolic level;

3, Remediate lead, cadmium, nickel and other heavy metals and polycyclic aromatic hydrocarbons pollution in the soil;

4, non-toxic, harmless, biodegradable, use will not appear soft fruit, drop grain, greening and other phenomena.