The invention relates to a preparation method and an application method of a tomato special
fertilizer, wherein the preparation method comprises the following steps: preparing an I-type
fertilizer by taking the following ingredients in parts by weight: 20-30 parts of
urea, 20-30 parts
ammonium phosphate, 15-20 parts of
potassium sulphate, 1-3 parts of
humic acid, 1-3 parts of rubbish and excrement, 1-5 parts of synergist, 0.1-1 part of
ferrous sulphate, 0.1-0.8 part of
zinc sulfate, 0.1-0.6 part of
manganese sulphate, 0.1-0.6 part of
borax, 0.1-0.4 part of
copper sulfate, 2-7 parts of plaster and 3-13 parts of
bentonite; preparing an II-type
fertilizer by taking the following ingredients in parts by weight: 20-30 parts of
urea, 5-10 parts
ammonium phosphate, 35-45 parts of
potassium sulphate, 1-3 parts of
humic acid, 1-5 parts of rubbish and excrement, 2-5 parts of synergist, 0.1-1 part of
ferrous sulphate, 0.1-0.8 part of
zinc sulfate, 0.1-0.6 part of
manganese sulphate, 0.1-0.6 part of
borax, 0.1-0.4 part of
copper sulfate, 2-7 parts of plaster and 3-13 parts of
bentonite; evenly blending, spraying, pelleting, adding 1-6 parts of diluted
polyaspartic acid,
drying at lower temperature and detecting to be qualified to obtain the special fertilizer. The application method of the special fertilizer comprises the following steps: applying an
organic fertilizer and the II-type fertilizer before spring
sowing; applying the II-type fertilizer at the flowering and fruiting periods, and applying the II-type fertilizer in the young
fruit development period; and the .production yield can be increased by 16-18 percent.