Special humic acid blended fertilizer for chilies and preparation method thereof

The invention discloses special humic acid blended fertilizer for chilies and a preparation method thereof. The blended fertilizer is prepared from the following components in parts by mass: 217 to 236 parts of urea, 182 to 227 parts of monoammonium phosphate, 250 to 267 parts of potassium chloride and 270 to 347 parts of nitro-humic acid. According to a nutrient resource comprehensive managementtheory and technology of nitrogen real-time monitoring and phosphorus and potassium constant-amount monitoring, three innovation theories of humic acid fertilizer and a chili nutrient needing rule, the fine type and high-activity nitro-humic acid is used as a base material, and harmful substances and bacterial toxins, which are generated due to continuous cropping, are adsorbed and digested through increasing the content of the base material to a greater extent; a damaged root microorganism colony and a structure thereof are repaired; the diversity level of soil microorganisms is improved, andwater, fertilizer, air an