Magnetized tailings composite soil modifier
A technology of soil conditioner and tailings, which is applied in the direction of soil conditioning materials, fertilizer mixtures, chemical instruments and methods, etc., can solve the problems of not being able to consume solid waste, not being able to be used as a soil conditioner, and using a small amount of industrial waste. It achieves the effect of increasing crop yield significantly, increasing the content of soil water-stable aggregates, and using a large amount
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[0022] To further describe the present invention, the composite soil amendment for magnetized tailings of the present invention will be further described below in conjunction with examples.
[0023] According to Table 1, prepare 100 kg of composite soil amendment for magnetized tailings (based on dry basis).
[0024] The operation steps of Examples 1-7 are: sieving iron-containing tailings, mixing the under-sieved material with nitrogen fertilizer or nitrogen, phosphorus, and potassium compound fertilizer uniformly; sending the mixture to a magnetization device through a belt for magnetization treatment, and then loading it into a bag Sales in. The magnetic field intensity at the material on the belt in the magnetization device is 2000-5000GS.
[0025] Because of the coarser particle size, the iron-containing tailings can be sold as construction sand.
[0026] Table 1 Composition and weight of composite soil amendment for magnetized tailings (kg)
[0027]
[0028] The magnetized...
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