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Journal Article

Journal article

Agroecological problems of organic fertilizers use in agriculture  [2017]

Dabakhova, E.V.; Pitina, I.A., Nizhnij Novgorod State Agricultural Academy (Russian Federation);

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The soil transformation processes were studied as the result of storage of organic wastes of industrial poultry farm. The object of the research was light grey forest soil in the area located in Zaoksky district of Tula region. The long waste disposal on the surface of the soil caused a significant increase in the content of mobile phosphorus and potassium, which exceeded the very high level by 23 and 24 times respectively. The phosphorus concentration reached 5,700 mg/kg. About 40% of the control plots had excessive concentrations of zinc and nickel (by 1.4 times). Manganese concentration for 50% of the control plots exceeded MPC (maximum permissible concentration) by 1.1-4.2 times. Based on these results, recommendations to reduce the negative impact of industrial poultry farms on the environment were offered: a) justification of the choice of site for the construction of the enterprise of industrial poultry farming with the possibility of safe disposal of wastes in the agro-ecosystem (concept design stage); b) developing safe system for organic wastes treatment, including stages of preparation for use as organic fertilizer (design phase); c) development of annual plans for the use of organic fertilizers based on the results of soil and water monitoring (functioning enterprise phase); d) environmental monitoring of compliance with environmental legislation, and developed technology of the use of organic fertilizers (wastes recycling). The most important
is the selection of a production site, taking into account the availability of a compact area of agricultural lands for organic wastes recycling, soil resistance to anthropogenic impacts, distance from residential area, terrain, protection of groundwater from pollution, development of the hydrographic network and environmental constraints to land use.

From the journal

Agrochem Herald

ISSN : 0235-2516