Влияние Подкисления Навозных Стоков На Их Микробиологические Характеристики

Пилип, Л. В.; Kozvonin, V. A.; Syrchina, N.V.; Колеватых, Е. П.; Аshikhmina, Т. Ya.

doi:10.25750/1995-4301-2020-3-161-167

Cited by 9 publications

(1 citation statement)

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“…Одним из перспективных направлений регулирования эмиссии ПГ может стать обработка НС химическими реагентами, оказывающими влияние на жизнедеятельность определённых групп МО [4,5]. В ряде исследований показано, что применение ингибиторов нитрификации способствует значительному снижению выбросов N 2 O [6,7],…”

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The effect of nitrapyrin on microbiota and emissions of greenhouse gas from livestock by-products

Syrchina,

Pilip,

Ashikhmina

2024

TaAE

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The livestock by-products (LBP) using as fertilizers are characterized by such unfavorable environmental characteristics as emissions of greenhouse gases (N2O, CO2, CH4) and the presence of a specific microbiota leading to soil and water biological contamination. The waste processing by nitrapyrin reduces the negative environmental impact of LBP. Currently, nitrapyrin is used as a nitrogen fertilizer stabilizer that reduces nitrogen losses by direct inhibition of soil microorganisms (MO) oxidizing ammonium nitrogen to nitrate. It was found that 0.05 g/L nitrapyrin application to the liquid pig manure effluents decreases the CH4 and CO2 emissions, as well as the species diversity and the number of opportunistic pathogens that promote the transfer of antibiotic resistance genes into natural environments. The number of such MO as Klebsiella sp., Proteus spp., Bacteroides sp., Pseudomonas spp., Candida sp. decreased by 2–4 orders of magnitude due to nitrapyrin. Only anaerobic bacteria of the genus Clostridium and aerobic mold fungi of the genus Aspergillus showed the resistance to the appropriate reagent, the number of the above MO remained almost unchanged in the nitrapyrin variants. The most significant decrease in CO2 emission (2–5 times compared to control) was observed in the first 3–4 days after the nitrapyrin application. The CH4 emission in nitrapyrin variants was lower than in the control during the whole observation period (13 days). The obtained experimental data can be used in the development of reagent formulations to improve microbiological characteristics and to reduce greenhouse gases emission from manure collection systems of livestock enterprises.

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The effect of nitrapyrin on microbiota and emissions of greenhouse gas from livestock by-products

Syrchina,

Pilip,

Ashikhmina

2024

TaAE

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The effect of different doses of pig manure on soil microbiological activity and spring wheat yield

Chinyaeva

Калганов

Kramarenko

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The effect of the application of different norms of liquid pig manure on microflora composition and microbiological activity of leached chernozem, as well as on its sanitary and microbiological indicators, has been studied. It was found that at the maximum application rate, the number of bacteria increased to a greater extent than that of actinomycetes and fungi. At the same time, the genera Pseudomonas, Cellvibrio, and Bacillus predominate among the bacteria. Micromycetes of the genus Mukor and Aspergillus predominate among fungi. The nitrate content remained within acceptable limits, the mineralization coefficient for this variant is quite high. According to sanitary and microbiological indicators, when pig manure is applied in the maximum norm, the samples fall into the group of heavily polluted soil. According to the index of the coli-titer for enterobacteria, all the studied soil samples fall into the group of slightly polluted, the sanitary and epidemiological situation has not worsened. The application of the maximum manure rate had a positive effect on wheat yield.

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Effect of Glauconite-Containing Wastes Obtained during Phosphorite Enrichment on Lead Mobility in Soils

Пилип

Syrchina

Аshikhmina

et al. 2022

Biol Bull Russ Acad Sci

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Влияние Подкисления Навозных Стоков На Их Микробиологические Характеристики

Cited by 9 publications

References 0 publications

The effect of nitrapyrin on microbiota and emissions of greenhouse gas from livestock by-products

The effect of nitrapyrin on microbiota and emissions of greenhouse gas from livestock by-products

The effect of different doses of pig manure on soil microbiological activity and spring wheat yield

Effect of Glauconite-Containing Wastes Obtained during Phosphorite Enrichment on Lead Mobility in Soils

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