The invention discloses a
plant spraying leaf
fertilizer which is prepared by the following steps: weighing 40-60g of white vinegar, 40-60g of brown
sugar, 40-60g of
urea, 40-60g of 45-degree corn liquor and 450-550g of beer, adding the white vinegar, the brown
sugar, the
urea, the corn liquor and the beer into the beer, uniformly stirring, adding 40 jin of water into per jin of the mixture for
dilution, and spraying the diluted mixture on leaf surfaces. The foliar
fertilizer is elaborately prepared from common raw materials, is free of chemical
pesticide components, is green, environment-friendly and residue-free, and meets the requirements of the market on green agricultural products. The bactericidal composition has obvious effects on
powdery mildew, gray mold and anthracnose in the aspect of
disease control, and can form a protective film, change leaf surface microenvironment, supplement
nutrition and enhance
plant resistance. And in the aspect of
pest control, the smell and components can repel pests and reduce
insect disaster loss. Moreover, the foliar
fertilizer is balanced in
nutrition, can promote
plant growth, improve
crop quality and yield and increase the income of farmers, and is an efficient and multifunctional foliar fertilizer for plants.