Large amount of water soluble fertilizer can be applied to facility agriculture such as spray and drip irrigation to realize the integration of water and fertilizer and achieve the efficiency of saving water, fertilizer and labor. This product can make the stems and leaves of crops straight and improve the photosynthetic effect of leaves; After crops absorb elements, the cell wall on the surface of stems and leaves thickens and the cuticle increases. Especially in the resistance to rice blast, leaf spot, stem rot, bacterial fence and cotton bollworm rust, large amount of water soluble fertilizer can effectively regulate the opening and closing of leaf stomata and control water transpiration.