Special foliar fertilizer for polygonatum kingianum and preparation method of special foliar fertilizer

The invention discloses a special foliar fertilizer for rhizoma polygonati. The foliar fertilizer is prepared from the following raw materials in parts by weight: 20-35 parts of seaweed, 10-15 parts of oleander, 15-20 parts of reed, 5-10 parts of pawpaw, 2-5 parts of amino acid, 10-15 parts of urea, 5-9 parts of diammonium phosphate, 6-10 parts of potassium chloride, 1-4 parts of trace elements, 1-4 parts of humic acid, 0.5-1 part of bacillus amyloliquefaciens and 200-250 parts of purified water. Seaweed, oleander, reed, pawpaw, amino acid, urea, diammonium phosphate, potassium chloride, trace elements, humic acid and bacillus amyloliquefaciens are used as raw materials, so that preparation of the special foliar fertilizer for polygonatum kingianum is realized, the seaweed extract is added in the preparation process, and the seaweed extract contains a large amount of bioactive substances, so that the content of the bioactive substances in the foliar fertilizer is increased; and by adding the extracts of the o