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Vol 151
Pages:
159-161
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RUS

Recycling waste from the Kovdorslyuda mine to produce a new type of potash mineral fertilizer

Authors:
N. I. Krasnova1
I. V. Matveev2
A. A. Tereshina3
A. V. Apanasevich4
V. V. Vasileva5
L. P. Korobeinikova6
Yu. S. Korobeinikova7
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining University
  • 2 — G.V. Plekhanov Saint Petersburg Mining University
  • 3 — G.V. Plekhanov Saint Petersburg Mining University
  • 4 — G.V. Plekhanov Saint Petersburg Mining University
  • 5 — G.V. Plekhanov Saint Petersburg Mining University
  • 6 — G.V. Plekhanov Saint Petersburg Mining University
  • 7 — G.V. Plekhanov Saint Petersburg Mining University
Date submitted:
2001-08-23
Date accepted:
2001-09-02
Date published:
2002-06-10

Abstract

The project is dedicated to developing recommendations for the production of a complex potassium, calcium and phosphorus fertilizer with a prolonged effect from mining waste from the Kovdors-mica and Kovdorskiy GOK mines. An important task is to dispose of the dumps accumulated over the years of operation of these actively operating mines. The relevance of creating a new complex potash fertilizer from phlogopite, apatite and calcite is determined by the fact that it will have a prolonged action without high solubility. In order to experimentally test the possibility of using these mineral wastes as fertilizer in summer 2001 we carried out a series of micro-daily field experiments with potato varieties Nevskiy, which are typical “potassium” plants. As a result, we found that not only phlogopite and calcite, but also the finely ground Francolite, which is a natural source of phosphorus, affect the plants. The experiment was accompanied by monitoring of the balance of the main chemical elements in the fertilizer-soil-plant chain. This is the next step towards the development of a new type of complex fertilizer of prolonged action, containing the necessary elements (K, Ca, Mg and P) in a form accessible to plants and not easily washed out of the soil by surface water.

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References

  1. Чириков Ф.В. Агрохимия калия и фосфора. М.: Госсельхозиздат, 1956.

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