Seed mixing liquid for corn planting

Seed mixing liquid for corn planting is formed by mixing copper sulfate, lime-sulfur mixture, starch, medicine extraction powder and water during use. The medicine extraction powder is obtained by mixing Chinaberry seed, circium japonicum, xanthium sibiricum and pinellia ternata, soaking in treatment liquid with special ingredients for 36-48h, fishing out, draining, squeezing to obtain mixed juice, filtering the mixed juice, adding diatomite, and evaporating to dryness to obtain the medicine extraction powder. The seed mixing liquid contains copper sulfate and the lime-sulfur mixture which areharmful to pest; the medicine extraction powder is obtained by extracting active ingredient juice having insect repelling and killing efficacy by squeezing through special processes and adding diatomite, so that after evaporating to dryness, active ingredients in plants can enter diatomite and are sowed together with corn seeds after mixing, the active ingredients having the insect repelling andkilling efficacy can be la