Granular pesticide fertilizer, and preparation method and application thereof

[0044] The embodiment of the present invention also provides the preparation method of above-mentioned granule medicinal fertilizer, the technological process of this method please refer to figure 1 . The granule medicinal fertilizer comprises the steps of:

[0045] S1: Weigh each component according to the above-mentioned granule medicinal fertilizer formula;

[0046] S2: adding the pesticide active ingredient and the surfactant into the organic solvent for dissolving to obtain a mixed solution;

[0047] S3: Spray the mixed solution onto the surface of the granular fertilizer carrier;

[0048] S4: Mix the coating agent with the granular fertilizer carrier sprayed with the mixed solution on the surface, and dry to obtain the granular fertilizer.

[0049] Specifically, in step S1 of the above method for preparing the granule medicinal fertilizer, the formula of the granule medicinal fertilizer, the content and type of each component in the formula, and the preferred technical s

[0057] The formula of 15% chlorpyrifos granule fertilizer: 154.7 kg of chlorpyrifos (97% by mass), 20 kg of turpentine, 3 kg of fatty alcohol polyoxyethylene ether (AEO-3), 817.3 kg of granular fertilizer carrier, 5 kg of carbon black kilogram.

[0058] The preparation method of this 15% chlorpyrifos granule medicinal fertilizer:

[0059] S11: Preparation of granular fertilizer carrier:

[0060] Weigh 600 kg of humic acid, 20 kg of ammonium sulfate, 10 kg of potassium dihydrogen phosphate, 30 kg of magnesium sulfate, 120 kg of boric acid, 60 kg of zinc sulfate, 5 kg of iron EDTA, 2 kg of copper sulfate, 1.5 kg of manganese sulfate, molybdenum acid 1.5 kg of sodium, 100 kg of water, and 50 kg of kaolin. Mix the components and granulate them with a compound fertilizer drum. The particles are round, dark brown to black, and 1.5 to 3.5 mm in diameter.

[0061] S12: First mix and heat chlorpyrifos, turpentine, and AEO-3 to fully dissolve to obtain a mixed solution;

[0062] S13: Ad

[0065] The formula of 0.5% abamectin granule medicinal fertilizer: 5.4 kilograms of abamectin (93% by mass), 40 kilograms of N-methylpyrrolidone, 803 kilograms of Tween, 946.6 kilograms of granular fertilizer carriers, white charcoal Black 5 kg.

[0066] The preparation method of this 0.5% abamectin granule medicinal fertilizer:

[0067] S21: Preparation of granular fertilizer carrier:

[0068] Weigh 310 kg of humic acid, 30 kg of ammonium sulfate, 20 kg of ammonium dihydrogen phosphate, 50 kg of magnesium sulfate, 150 kg of sodium octaborate tetrahydrate, 109 kg of sodium octaborate tetrahydrate, 20 kg of iron EDTA, 5 kg of copper EDTA, 3 kg of EDTA manganese, 3 kg of EDTA molybdenum, 200 kg of water, and 100 kg of kaolin. Mix the components and granulate them with a compound fertilizer drum. The particles are round, dark brown to black, and 1.5 to 3.5 mm in diameter.

[0069] S22: first mix and fully dissolve Abamectin, N-methylpyrrolidone, and Tween 80 to obtain a mixed solu