The invention discloses a special compound
fertilizer for watermelons and a preparation method of the special compound
fertilizer. The special compound
fertilizer for watermelons comprises the following substances in parts by weight: 10-26 parts of high-quality candy
pomace, 2-4 parts of
fulvic acid, 1-4 parts of
adhesive, 10-28 parts of
urea, 8-20 parts of monoammonium
phosphate, 2-15 parts of
potassium sulfate, 20-30 parts of
ammonium sulfate, 1-4 parts of trace elements, 2-5 parts of
charcoal and 3-5 parts of
traditional Chinese medicine. The preparation method comprises the following steps:
grinding the previous substances, uniformly mixing, and granulating, thereby obtaining the special compound fertilizer for watermelons. The special compound fertilizer for watermelons disclosed by the invention has the quick effect of an
inorganic fertilizer and also has the long-acting and slow-release effects of an
organic fertilizer, the volume weight of the soil is reduced, the granular structure in the soil is increased, the pH value of the soil is regulated, the special compound fertilizer has the effects of effectively expelling insects and sterilizing, the
sugar content of the watermelon fruits is improved, and the
solid content is increased, so that the yield and quality of the watermelons are improved. Meanwhile, the
orchard soil can be improved, the environment is protected, and the special compound fertilizer has wide application prospects in
green fruit production.