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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">environment</journal-id><journal-title-group><journal-title xml:lang="ru">Природообустройство</journal-title><trans-title-group xml:lang="en"><trans-title>Prirodoobustrojstvo</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-6011</issn><publisher><publisher-name>РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/1997-6011-2023-4-46-51</article-id><article-id custom-type="elpub" pub-id-type="custom">environment-365</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>МЕЛИОРАЦИЯ, ВОДНОЕ ХОЗЯЙСТВО И АГРОФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LAND RECLAMATION, WATER ECONOMY AND AGROPHYSICS</subject></subj-group></article-categories><title-group><article-title>Обоснование режима влажности сероземных почв при капельном поливе хлопчатника</article-title><trans-title-group xml:lang="en"><trans-title>Justification of the humidity regime of grey-earth soils during drip irrigation of cotton</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>Пчёлкин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pchelkin</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пчёлкин Виктор Владимирович, д-р техн. наук, профессор</p><p>127434, г. Москва, ул. Тимирязевская, 49</p><p>AuthorID: 417238</p></bio><bio xml:lang="en"><p>Pchelkin Viktor Vladimirovich, doctor of technical sciences, professor</p><p>127434, Moscow, Timiryazevskaya, 49</p><p>AuthorID: 417238</p></bio><email xlink:type="simple">9766793@mail.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>Қузиев</surname><given-names>У. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuziev</surname><given-names>U. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Қузиев Улугбек Таджиевич, канд. техн. наук, доцент</p><p>г. Ташкент, М. Улуғбек, Қары Ниёзий, 39</p></bio><bio xml:lang="en"><p>Kuziev Ulugbek Tadzhievich, candidate of technical sciences, associate professor</p><p>Tashkent, M. Ulugbek, KaryNiyoziy, 39</p></bio><email xlink:type="simple">quziev.ulugbek@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Разиков</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Razikov</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Разиков Нуриддин Бахтиёрович, докторант</p><p>Ташкентская область, Янгиюльский, Гульбахор, ул. Самаркандская, 41</p></bio><bio xml:lang="en"><p>Razikov Nuriddin Bakhtiyorovich, doctoral candidate</p><p>Tashkent region, Yangiyul, Gulbahor, Samarkand, 41</p></bio><email xlink:type="simple">razikov1102@bk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4601-9140</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солошенков</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Soloshenkov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Солошенков Александр Дмитриевич, аспирант</p><p>127434, г. Москва, ул. Тимирязевская, 49</p><p>AuthorID: 964756</p></bio><bio xml:lang="en"><p>Soloshenkov Alexander Dmitrievich, post graduate student</p><p>127434, Moscow, Timiryazevskaya, 49</p><p>AuthorID: 964756</p></bio><email xlink:type="simple">aleksandr_soloshenkov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – МСХА им. К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University GAU – Moscow Agricultural Academy named after C.A. Timiryazev</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский университет «Ташкентский институт инженеров ирригации и механизации сельского хозяйства»</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>National Research University “Tashkent Institute of Irrigation and Agricultural Mechanization Engineers”</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Научно-исследовательский институт механизации сельского хозяйства</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Research Institute of Agricultural Mechanization</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>12</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>46</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пчёлкин В.В., Қузиев У.Т., Разиков Н.Б., Солошенков А.Д., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Пчёлкин В.В., Қузиев У.Т., Разиков Н.Б., Солошенков А.Д.</copyright-holder><copyright-holder xml:lang="en">Pchelkin V.V., Kuziev U.T., Razikov N.B., Soloshenkov A.D.</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://environment.timacad.ru/jour/article/view/365">https://environment.timacad.ru/jour/article/view/365</self-uri><abstract><p>Цель исследований – определение границ влажности сероземных почв при капельном поливе хлопчатника. Исследования проводились на опытном участке в 2022 г. Методика для них была разработана профессорско-преподавательским составом кафедры СХМ НИУ «ТИИИМСХ». Научные исследования проводились на опытных делянках и в лаборатории. Их результаты были использованы при решении поставленной задачи. С использованием полученных данных и формулы В.В. Шабанова построен график закономерности изменения относительной урожайности (Yi/Ymax) хлопчатника от относительной влажности сероземной почвы (в слое 0,5 м) при капельном поливе. В выражение В.В. Шабанова для орошаемых сероземных почв в Ташкентской области Узбекистана определена величина показателя коэффициента, учитывающего реакцию растений на отклонение влажности сероземной почвы от оптимальной (gi), составившая 3,495. Установлено, что влажность сероземных почв в Ташкентской области Узбекистана следует выдерживать в наиболее благоприятных пределах, исходя из потребности хлопчатника за период его роста и развития. Самый оптимальный интервал влажности сероземных почв, по данным проведенных исследований, составил для хлопчатника 0,63-0,79 от полной влагоемкости (ПВ). Коэффициент соотношения данной зависимости составил 0,979± 0,089, что указывает на плотную связь между исследуемыми величинами. При наиболее благоприятной влажности сероземной почвы (0,63-0,79 ПВ) и уровне залегания подземных вод 1,80 м от поверхности земли и глубже отмечается инфильтрационный режим.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the research is to determine the moisture limits of grey-earth soils during drip irrigation of cotton. The research was carried out at the experimental site in 2022. The research methodology was developed by the professorial and teaching staff of the Department of Agricultural Mechanics of the National Research University “TIIIMSKh”. Scientific research was carried out on experimental plots and in the laboratory. The results of scientific research were used to solve the problem. Using the data obtained and the formula of V.V. Shabanov, a graph was constructed of the pattern of changes in the relative yield (Yi/Ymax) of cotton depending on the relative humidity of grey-earth soil (in a 0.5 m layer) under drip irrigation. (gi) is determined to be 3.495. In V.V. Shabanov’s expression for irrigated grey-earth soils in the Tashkent region of Uzbekistan, the value of the coefficient that takes into account the response of plants to the deviation of the grey-earth soil moisture from the optimal is 3.495 m. It has been established that the moisture content of grey-earth soils in the Tashkent region of Uzbekistan should be maintained within the most favorable limits based on the needs of cotton during the period of its growth and development. According to the research conducted, the best moisture range for grey-earth soil soils was (0.63‑0.79) from the total moisture capacity (MC) for cotton. The ratio coefficient of this dependence is 0.979 ± 0.089, which indicates a close relationship between the studied values. With the most favorable moisture content of the grey-earth soil (0.63‑0.79 MC) and the level of groundwater 1.80 m from the surface of the earth and deeper, an infiltration regime is observed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>капельное орошение</kwd><kwd>вода</kwd><kwd>режим влажности</kwd><kwd>сероземная почва</kwd><kwd>хлопчатник</kwd></kwd-group><kwd-group xml:lang="en"><kwd>drip irrigation</kwd><kwd>water</kwd><kwd>humidity regime</kwd><kwd>grey-earth soil</kwd><kwd>cottonкапельное</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">Дорохов А.П. Режим орошения в ЦЧЗ // Гидротехника и мелиорация. 1975. № 4. С. 69-72.</mixed-citation><mixed-citation xml:lang="en">Dorokhov A.P. 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