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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">izvestiiatimacad</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Тимирязевской сельскохозяйственной академии</journal-title><trans-title-group xml:lang="en"><trans-title>IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-342X</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/0021-342X-2022-5-5-20</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-327</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>АГРОХИМИЯ, ПОЧВОВЕДЕНИЕ, ЭКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGROCHEMISTRY, SOIL SCIENCE AND ECOLOGY</subject></subj-group></article-categories><title-group><article-title>Оценка ферментативной активности нефтезагрязненного чернозема после биоремедиации</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the enzymatic activity of haplic chernozem contaminated by petroleum hydrocarbons after bioremediation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минникова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Minnikova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минникова Татьяна Владимировна, ведущий научный сотрудник, канд. биол. наук</p><p>344090, г. Ростов-на-Дону, пр-кт Стачки, 194/1</p><p>тел.: (988) 539–01–34</p></bio><bio xml:lang="en"><p>Tat’yana V. Minnikova, Leading Research Associate, Ph.D., the Academyof Biology and Biotechnology named after D.I. Ivanovsky</p><p>194/1 Stachki Ave., Russia, Rostov-on-Don, 344090</p><p>phone: (988) 539–01–34</p></bio><email xlink:type="simple">loko261008@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Русева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ruseva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Русева Анна Степановна, аспирант кафедры экологии и природопользования, Академия биологии и биотехнологии им. Д.И. Ивановского</p><p>344090, Российская Федерация, г. Ростов-на-Дону, пр-кт Стачки, 194/1</p><p>тел.: (951) 490–34–74</p></bio><bio xml:lang="en"><p>Anna S. Ruseva, post-graduate student, the Department of Ecology and Nature Management, the Academy of Biology and Biotechnology named after D.I. Ivanovsky</p><p>194/1 Stachki Ave., Russia, Rostov-on-Don, 344090</p><p>phone: (951) 490–34–74</p></bio><email xlink:type="simple">ruseva.ann@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колесников</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolesnikov</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колесников Сергей Ильич, заведующий кафедрой экологии и природопользования, д-р с.-х. наук, профессор, Академия биологии и биотехнологии им. Д.И. Ивановского</p><p>344090, г. Ростов-на-Дону, пр-кт Стачки, 194/1</p><p>тел.: (918) 555–09–04</p></bio><bio xml:lang="en"><p>Sergey I. Kolesnikov, DSc (Ag), Professor, Head of the Department of Ecology and Nature Management, the Academy of Biology and Biotechnology named after D.I. Ivanovsky</p><p>194/1 Stachki Ave., Russia, Rostov-on-Don, 344090</p><p>phone: (918) 555–09–04</p></bio><email xlink:type="simple">kolesnikov@sfedu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южный федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Southern Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>27</day><month>03</month><year>2023</year></pub-date><volume>0</volume><issue>5</issue><fpage>5</fpage><lpage>20</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Минникова Т.В., Русева А.С., Колесников С.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Минникова Т.В., Русева А.С., Колесников С.И.</copyright-holder><copyright-holder xml:lang="en">Minnikova T.V., Ruseva A.S., Kolesnikov S.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://izvestiia.timacad.ru/jour/article/view/327">https://izvestiia.timacad.ru/jour/article/view/327</self-uri><abstract><p>Оценка экологического состояния почв по показателям ферментативной активности при ремедиации нефтяного загрязнения является весьма информативной. Активность ферментов классов оксидоредуктаз и гидролаз в черноземе наиболее чувствительна при загрязнении тяжелыми металлами, пестицидами и при других видах антропогенного воздействия. Информативность и чувствительность ферментов при ремедиации нефтезагрязненных почв изучены в недостаточной степени. Была изучена активность 7 ферментов классов оксидоредуктаз и гидролаз почвы, загрязненной нефтью после применения биочара, гумата натрия, нитроаммофоса и «Байкала ЭМ-1». Через 90 сут. от момента внесения ремедиантов в почву оценивали ферментативную активность почв по изменению активности каталазы, дегидрогеназ, пероксидаз, ферриредуктаз, инвертазы, уреазы и фосфатазы. Оценивали интегральный показатель биологической активности почв (ИПБА) и среднее геометрическое ферментативной активности почв по классам оксидоредуктаз (GMea (ОХ)) и гидролаз (GMea (HD)). При ремедиации нефтезагрязненного чернозема стимулирующее воздействие на активность оксидоредуктаз и гидролаз почвы оказывает концентрация Д0,5 биочара и «Байкала ЭМ-1», а на активность нитроаммофоса и гумата натрия – Д2. При дозе Д0,5 нитроаммофоса и биочара установлена максимальная стимуляция ИПБА относительно контроля и нефтезагрязнения. Внесение нитроаммофоса стимулировало активность 3 из 7 ферментов, а внесение биочара стимулировало активность 5 из 7 ферментов относительно нефтезагрязнения. Наибольшая эффективность нитроаммофоса в большей степени обусловлена чрезмерной стимуляцией активности уреазы чернозема обыкновенного. Значения средних геометрических ферментативной активности (GMea) оксидоредуктаз и гидролаз были простимулированы относительно контроля при дозе Д0,5 каждого ремедианта. Ряд чувствительности ферментов нефтезагрязненного чернозема после внесения ремедиантов от наиболее чувствительного к наименее: ферриредуктазы &gt; пероксидазы &gt; уреаза &gt; фосфатаза &gt; дегидрогеназы &gt; инвертаза &gt; каталаза. По степени восстановления ферментативной активности почв ремедианты можно расположить в следующем порядке, % от нефтезагрязнения: нитроаммофос &gt; биочар &gt; гумат натрия &gt; «Байкал ЭМ-1». При ремедиации нефтезагрязненного чернозема наиболее стимулирующее воздействие на активность оксидоредуктаз и гидролаз почвы оказывает ремедиант в концентрации Д0,5. Для биодиагностики экологического состояния нефтезагрязненных черноземных почв рекомендуем использовать активность ферриредуктаз, пероксидаз, уреазы и фосфатазы.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. The evaluation of the ecological state of soils in terms of enzymatic activity during the remediation of petroleum hydrocarbons contamination is very informative. The activity of enzymes of the oxidoreductases and hydrolases classes in chernozem is most sensitive to contamination by heavy metals, pesticides, and other types of anthropogenic impact. The informativeness and sensitivity of enzymes during the remediation of petroleum hydrocarbons-contaminated soils have not been adequately studied. Materials and methods. The activity of seven enzymes of oxidoreductases and hydrolases classes of petroleum hydrocarbons-contaminated soils after the application of biochar, sodium humate, nitroammophos and Baikal EM-1 was studied. In 90 days from the moment the ameliorants were introduced into the soil, the enzymatic activity of soils was evaluated by changes in the activity of catalase, dehydrogenases, peroxidases, ferrireductases, invertase, urease, and phosphatases. The integral indicator of soil biological activity (IIBA) and the geometric mean enzymatic activity of soils were evaluated for the classes of oxidoreductases (GMea (ОХ)) and hydrolases (GMea (HD)). Results. During the remediation of petroleum hydrocarbons-contaminated chernozem, the concentration of D0.5 of biochar and Baikal EM-1 has a stimulating effect on the activity of oxidoreductases and hydrolases of the soil, and D2 of nitroammophos and sodium humate – D2. At a dose of D0.5 of nitroammophos and biochar, the maximum stimulation of IIBA was established relative to control and petroleum hydrocarbons contamination. The introduction of nitroammophos stimulated the activity of three out of seven enzymes, and biochar stimulated the activity of five out of seven enzymes regarding petroleum hydrocarbons contamination. The highest efficiency of nitroammophos is largely due to excessive stimulation of the urease activity of ordinary chernozem. The values of the geometric mean enzymatic activity (GMea) of oxidoreductases and hydrolases were stimulated relative to the control at a dose of D0.5 of each ameliorant. The sensitivity series of petroleum hydrocarbons-contaminated chernozem enzymes after the introduction of ameliorants from the most sensitive to the least sensitive is the following: ferrireductases &gt; peroxidases &gt; urease &gt; phosphatase &gt; dehydrogenases &gt; invertase &gt; catalase. According to the degree of restoration of the enzymatic activity of soils, the ameliorants can be arranged in the following order (in % of petroleum hydrocarbons contamination): nitroammophos &gt; biochar &gt; sodium humate &gt; Baikal EM-1. Conclusion. During the remediation of petroleum hydrocarbons-contaminated chernozem, the most stimulating effect on the activity of oxidoreductases and soil hydrolases is exerted by the ameliorant at a concentration of D0.5. For biodiagnostics of the ecological state of petroleum hydrocarbons-contaminated black soils, we recommend using the activity of ferrireductases, peroxidases, urease, and phosphatase.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>загрязнение</kwd><kwd>черноземная почва</kwd><kwd>биочар</kwd><kwd>гумат натрия</kwd><kwd>нитроаммофос</kwd><kwd>«Байкал ЭМ-1»</kwd><kwd>оксидоредуктазы</kwd><kwd>гидролазы</kwd><kwd>интегральный показатель биологической активности</kwd><kwd>среднее геометрическое ферментативной активности</kwd><kwd>биодиагностика</kwd><kwd>устойчивость почв</kwd></kwd-group><kwd-group xml:lang="en"><kwd>contamination</kwd><kwd>black soil</kwd><kwd>biochar</kwd><kwd>sodium humate</kwd><kwd>nitroammophos</kwd><kwd>Baikal EM-1</kwd><kwd>oxidoreductases</kwd><kwd>hydrolases</kwd><kwd>integral indicator of biological activity</kwd><kwd>geometric mean of enzymatic activity</kwd><kwd>biodiagnostics</kwd><kwd>soil stability</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ahmad A .A., Muhammad I., Shah T., Kalwar Q., Zhang J., Liang Z., Du M., Juanshan Z., Yan P., Ding X., Rui-Jun L. 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