The invention relates to an
oyster-
protein-containing compound foliage
fertilizer, which is prepared from the following raw materials in percentage by weight: 0.2 percent to 0.8 percent of
oyster protein, 6 percent to 8 percent of compound
amino acid, 2 percent to 5 percent of organic matters, 4 to 7 percent of
organic acid, 7 percent to 12 percent of
urea, 4 percent to 6 percent of
monopotassium phosphate, 3 to 7 percent of
potassium nitrate, 0.5 percent to 1.5 percent of
polyethylene glycol-200, 0.2 percent to 0.5 percent of
plant growth promoting factors, 0.6 to 1 percent of brown
sugar, 0.5 percent to 2 percent of chelated state microelements, 1 percent to 3 percent of surfactants and the
balance water. The invention also discloses a preparation method of the
oyster-
protein-containing compound foliage
fertilizer. The major ingredients of the foliage
fertilizer include the
amino acid, the
organic acid and the organic matters, wherein active
zinc extracted from the oyster protein can obviously enhance the
zinc nutrition of different crops, so that the
crop quality is obviously improved. Except a large number of elements and chelated state microelements, the
nutrition provided by the invention also contains the
organic acid, the
amino acid, the organic matters and
plant growth regulating substances; the
nutrition required by plants is comprehensively supplemented; the
plant nutrition is enhanced; meanwhile, the
crop quality is obviously improved.