Special fertilizer for corn and preparation method of special fertilizer

The invention discloses a special fertilizer for corn. The special fertilizer for corn is prepared from, by weight, 15-20 parts of modified biochar, 30-50 parts of corn straw, 20-30 parts of kitchen waste, 5-10 parts of tea residues, 5-10 parts of a potassium fertilizer, 1-2 parts of a fermenting agent, 0.5-1 part of hydroxypropyl-beta-cyclodextrin and 0.5-1 part of polydimethyl diallyl ammonium chloride. In addition, the invention also provides a preparation method of the specific fertilizer for the corn. The prepared special fertilizer for the corn can significantly increase the content of organic carbon, nitrogen, phosphorus, potassium and other nutrient elements in the soil, increase the nutrient conversion rate and the number of beneficial microorganisms, promote the soil remediation,improve the soil fertility, increase the yield of summer corn, promote the increasing income, and have broad application prospects. 本发明公开了种玉米专用肥料，由以下重量份数的组分制备而成：改性生物炭15-20份、玉米秸秆30-50份、厨余垃圾20-30份、茶叶渣5-10份、钾肥5-10份、发酵菌剂1-2份、羟丙基