Method for preventing and controlling banana wilt by using botanical bio-organic fertilizer

The invention discloses a method for preventing and controlling banana fusarium wilt by using a botanical bio-organic fertilizer, which comprises the following steps: S1, during land treatment, applying the botanical organic fertilizer as a base fertilizer, uniformly spreading the base fertilizer on the surface of soil, and deeply turning the base fertilizer into the soil; s2, in the temporary planting period of the banana seedlings, uniformly mixing the complex microbial inoculant and the plant source organic fertilizer, and applying the mixture to the banana root zone; s3, periodically spraying a complex microbial inoculant in the growth process of the bananas; the botanical organic fertilizer is prepared from the following raw materials in parts by weight: 120 to 160 parts of peanut bran, 80 to 100 parts of livestock manure, 40 to 50 parts of edible fungus residue, 30 to 50 parts of red soil, 10 to 15 parts of borax and 2 to 6 parts of fermentation inoculant. The method can effectively prevent and treat ba