Insecticidal base fertilizer for fruit and vegetable and preparation method thereof

The invention discloses an insecticidal base fertilizer for fruit and vegetable and a preparation method thereof. The insecticidal base fertilizer comprises, by weight, 500 to 800 parts of pig dung, 300 to 400 parts of tobacco stems, 20 to 30 parts of Chinese azalea flowers, 30 to 50 parts of straw, 80 to 100 parts of nitrogenous fertilizer, 90 to 110 parts of phosphate fertilizer and 70 to 10 parts of potash fertilizer. The base fertilizer provided by the invention is high in potassium and nitrogen contents and contains calcium; the base fertilizer contains the plant raw materials, i.e., tobacco stems and Chinese azalea flowers capable of killing underground insects; the base fertilizer meets the demands of fruit vegetable for medium/high nitrogen content, medium phosphorus content and high potassium content on nitrogen-phosphorus-potassium fertilizers; and the base fertilizer can supplement calcium needed by fruit vegetable, accords with the fertilizer demand characteristics of fruitvegetable and supplement