| 简介 |
The present invention relates to an environmentally-friendly fertilizer composition including a rare earth metal component and a manufacturing method thereof and, more specifically, to an environmentally-friendly fertilizer composition including a rare earth metal component, in which rare earth metal components are added to various types of fertilizers to increase productivity while increasing resistance to damage by harmful insects, and a manufacturing method thereof. According to the present invention, the method to manufacture the environmentally-friendly fertilizer composition including the rare earth metal component comprises : a step of refining a rare earth mineral to remove impurities from the refined rare earth mineral; a step of sintering the rare earth mineral, from which the impurities are removed, at a temperature of 700 to 1, 200° C; a step of pulverizing the sintered rare earth mineral into a powder form with an average diameter of 10 to 3, 000 μ m; and a step of mixing the powdered rare earth mineral with a silicate mineral in a powder form. The content of the rare earth metal component included in the rare earth mineral is 100 : 1.5 to 10 in a weight ratio with respect to the silicate mineral.(P11) Prepare a rare earth mineral component(P12) Sintering(P13) Powder(P141) Liquid fertilizer(P142) Solid fertilizerCOPYRIGHT KIPO 2019 |
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