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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">agronauka</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука Евро-Северо-Востока</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Science Euro-North-East</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9081</issn><issn pub-type="epub">2500-1396</issn><publisher><publisher-name>FARC North-East</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30766/2072-9081.2022.23.5.641-654</article-id><article-id custom-type="elpub" pub-id-type="custom">agronauka-1129</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>ОРИГИНАЛЬНЫЕ СТАТЬИ: РАСТЕНИЕВОДСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ОRIGINAL SCIENTIFIC ARTICLES: PLANT GROWING</subject></subj-group></article-categories><title-group><article-title>Влияние сроков посева и норм высева на урожайность и качество зерна сорта мягкой озимой пшеницы Универ</article-title><trans-title-group xml:lang="en"><trans-title>Influence of sowing dates and seeding rates on productivity and grain quality of the Univer winter bread wheat variety</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6593-1138</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор с.-х. наук, заведующий отделом технологии возделывания зерновых и пропашных культур</p><p>Научный город, 3, г. Зерноград, Ростовская область, Российская Федерация, 347730</p></bio><bio xml:lang="en"><p>DSc in Agricultural Science, Head of the Department of Cultivation Technologies of Grain and Row Crops</p><p>Nauchny Gorodok, 3, Zernograd, Rostov region, Russian Federation, 347740</p></bio><email xlink:type="simple">vniizk30@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4172-0878</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сухарев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukharev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат с.-х. наук, старший научный сотрудник лаборатории технологии возделывания зерновых культур</p><p>Научный город, 3, г. Зерноград, Ростовская область, Российская Федерация, 347730</p></bio><bio xml:lang="en"><p>PhD in Agricultural Science, senior researcher, the Laboratory of Cultivation Technology of Grain Crops</p><p>Nauchny Gorodok, 3, Zernograd, Rostov region, Russian Federation, 347740</p></bio><email xlink:type="simple">mns862@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4172-0878</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овсянникова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsyannikova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат с.-х. наук, ведущий научный сотрудник лаборатории техно-логии возделывания зерновых культур</p><p>Научный город, 3, г. Зерноград, Ростовская область, Российская Федерация, 347730</p></bio><bio xml:lang="en"><p>PhD in Agricultural Science, leading researcher, the Laboratory of Cultivation Technology of Grain Crops </p><p>Nauchny Gorodok, 3, Zernograd, Rostov region, Russian Federation, 347740 </p></bio><email xlink:type="simple">vniizk30@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Аграрный научный центр «Донской»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Agricultural Research Center «Donskoy»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2022</year></pub-date><volume>23</volume><issue>5</issue><fpage>641</fpage><lpage>654</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Попов А.С., Сухарев А.А., Овсянникова Г.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Попов А.С., Сухарев А.А., Овсянникова Г.В.</copyright-holder><copyright-holder xml:lang="en">Popov A.S., Sukharev A.A., Ovsyannikova G.V.</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://www.agronauka-sv.ru/jour/article/view/1129">https://www.agronauka-sv.ru/jour/article/view/1129</self-uri><abstract><p>В южной зоне Ростовской области изучали нормы высева (1, 2, 3, 4, 5, 6 и 7 млн всх. семян/га) и сроки посева (10, 20, 30 сентября, 10 октября) сорта мягкой озимой пшеницы Универ по различным предшественникам (черный пар и подсолнечник). Исследования проводили в 2020-2021 гг. Установлено, что по изучаемым предшественникам сорт Универ проявляет тенденцию к формированию наибольшей урожайности зерна в поздние сроки посева (30 сентября и 10 октября): на 0,43-0,73 т/га выше в сравнении с контрольным посевом от 20 сентября. Выявлено, что вне зависимости от срока посева по предшественнику «чёрный пар» максимальная урожайность – 6,33-7,13 т/га получена при нормах высева 4 и 5 млн всх. семян/га, по предшественнику «подсолнечник» ‒ 6 и 7 млн всх. семян/га – 4,16-4,80 т/га соответственно. Наименьшая урожайность, но самое высокое содержание белка и клейковины у сорта отмечены в варианте с минимальной нормой высева (1 млн семян/га): по предшественнику чёрный пар – 5,08-6,09 т/га, 13,7-14,3 % и 25,0-26,0 %, по предшественнику «подсолнечник» – 3,00-3,59 т/га, 13,6-14,0 % и 22,9-24,3 % соответственно. При увеличении нормы высева высокая урожайность обеспечивалась количеством продуктивных стеблей. По предшественнику «чёрный пар» наибольший экономический эффект возделывания сорта Универ получен при посеве 10 сентября с нормой высева 5 млн семян/га. При сдвиге посева на поздние сроки увеличивалась эффективность меньших норм высева – 2, 3 и 4 млн семян/га. По предшественнику «подсолнечник» высокий экономический эффект получили при нормах высева 5, 6 и 7 млн всх. семян/га во все сроки посева.</p></abstract><trans-abstract xml:lang="en"><p>In the southern zone of Rostov region there were studied seeding rates (1, 2, 3, 4, 5, 6, 7 million pcs/ha) and sowing dates (the 10th, 20th, 30th of September, the 10th of October) of Univer soft winter wheat variety according to various forecrops (black fallow and sunflower). The research was carried out in 2020-2021. It has been established that according to the studied predecessors, the Univer variety shows a tendency to form the highest grain yield in the late sowing periods (September, the 30th and October, the 10th): significantly higher by 0.43-0.73 t/ha in comparison with the control sowing on September, the 20th. It was determined that, regardless of the sowing date, according to the «black fallow» predecessor the maximum productivity of 6.33-7.13 t/ha had been obtained with seeding rates of 4 and 5 million pcs/ha, and 4.16-4.80 t/ha with seeding rates of 6 and 7 million pcs/ha when sown after sunflower. The least productivity but the highest protein and gluten percentage in the variety was identified in the variant with the minimum seeding rate (1 million pcs/ha) and was 5.08-6.09 t/ha sown after the black fallow with 13.7-14.3 and 25.0-26.0 %, respectively; 3.00-3.59 t/ha sown after sunflower with 13.6-14.0 and 22.9-24.3 %, respectively. With a sowing rate increase, high productivity was due to the number of productive stems. When sown after black fallow, the greatest economic effect of Univer variety was obtained when sown on the 10th of September with a seeding rate of 5 million pcs/ha. When sowing in later dates, there was an increase of efficiency of lower seeding rates of 2, 3 and 4 million pcs/ha. When sown after sunflower, there was a high economic effect with seeding rates of 5, 6 and 7 million pcs/ha at all sowing dates.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Tríticum aestívum L.</kwd><kwd>особенности посева</kwd><kwd>показатели качества</kwd><kwd>экономическая эффективность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Tríticum aestívum L.</kwd><kwd>features of sowing</kwd><kwd>quality indicators</kwd><kwd>economic efficiency</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при поддержке Минобрнауки РФ в рамках Государственного задания ФГБНУ «Аграрный научный центр «Донской» (тема № 0706-2019-0004).</funding-statement><funding-statement xml:lang="en">the research was carried out under the support of the Ministry of Science and Higher Education of the Russian Federation within the state assignment of the Agricultural Research Center «Donskoy» (theme No. 0706-2019-0004)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Скрипка О. 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