NOVELTY - Microelement-rich composite fertilizer comprises 80-95 pts. wt. rapeseed, 40-45 pts. wt. crop straw, 30-34 pts. wt. leaves, 23-26 pts. wt. chaff, 10-12 pts. wt. rice straw, 10-12 pts. wt. bamboo chips, 30-34 pts. wt. activated carbon, 10-12 pts. wt. chitosan, 80-90 pts. wt. fused calcium magnesium phosphate, 30-34 pts. wt. urea, 13-16 pts. wt. magnesium sulfate, 6-8 pts. wt. zinc sulfate, 2-3 pts. wt. copper sulfate, 3-4 pts. wt. ammonium molybdate, 1-2 pts. wt. sulfur, 4-6 pts. wt. coating agent and balance water.    USE - Microelement-rich composite fertilizer used for promoting plant growth.    ADVANTAGE - The microelement-rich composite fertilizer has comprehensive and balanced nutrition.    DETAILED DESCRIPTION - Microelement-rich composite fertilizer comprises 80-95 pts. wt. rapeseed, 40-45 pts. wt. crop straw, 30-34 pts. wt. leaves, 23-26 pts. wt. chaff, 10-12 pts. wt. rice straw, 10-12 pts. wt. bamboo chips, 10-12 pts. wt. rice straw, 10-12 pts. wt. bamboo chips, 30-34 pts. wt. activated carbon, 10-12 pts. wt. chitosan, 80-90 pts. wt. fused calcium magnesium phosphate, 30-34 pts. wt. urea, 13-16 pts. wt. magnesium sulfate, 6-8 pts. wt. zinc sulfate, 2-3 pts. wt. copper sulfate, 3-4 pts. wt. ammonium molybdate, 1-2 pts. wt. borax, 2-3 pts. wt. polyvinyl alcohol, 1-2 pts. wt. sulfur, 3-4 pts. wt. microbial inoculum, 4-6 pts. wt. coating agent and balance water. The coating agent comprises 50-60 pts. wt. polyurethane acrylate, 20-30 pts. wt. ethyl acrylate, 20-22 pts. wt. chlorinated paraffin, 1-2 pts. wt. crosslinking agent, 0.1-0.2 pt. wt. nanocarbon, 1-2 pts. wt. mineral powder and 3-4 pts. wt. glycol. An INDEPENDENT CLAIM is included for the preparation of microelement-rich composite fertilizer comprising dissolving chitosan, adding microbial inoculum, mixing, adding crop straw, leaves, rice straw and bamboo chips, drying, crushing, introducing water vapor, stirring, fermenting for 20-25 days, adding zinc sulfate, copper sulfate, ammonium molybdate, borax, polyvinyl alcohol and water, stirring to dissolve, adding activated carbon and sulfur, mixing, fermenting for 10-15 days, drying, adding fused calcium magnesium phosphate and balance raw materials, stirring, spray drying and mixing.