FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. To produce an insecto-acaricide agent for grain storage and treatment of granaries, the diatomite is milled in a mill and dried, thereafter, a cyclone-separated target fraction with particle size of 5–100 mcm, which is cleaned from impurity minerals, which is fed into the furnace with an air flow, is subjected to annealing and then calcined powder is deposited. Firing of target fraction is carried out at temperature of 850–900 °C for 1–2 seconds, after sedimentation of burnt powder, its air classification is performed with separation of particles with average size of 5 mcm to obtain finished product.
EFFECT: invention increases efficacy of the preparation.
1 cl, 2 ex
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