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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2021-344-1-136-139</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-1470</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>АГРОИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGRICULTURAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Влияние норм поливов и удобрений на изменение питательного режима почвы смешанных посевов (сорго и гороха) по стерне</article-title><trans-title-group xml:lang="en"><trans-title>Influence of irrigation and fertilizer rate on changing the nutritional regime of mixed crops (sorghum and pea) soil on stubble</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>Аллахвердиев</surname><given-names>Э. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Allahverdiyev</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эльхан Раджаб оглы Аллахвердиев, доцент</p><p>г.Гянджа</p></bio><bio xml:lang="en"><p>Elkhan Rajab oglu Allahverdiyev, associate professor</p><p>Ganja</p></bio><email xlink:type="simple">elxan_recebli@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>Исаева</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Isayeva</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дуня Али кызы Исаева, кандидат с.-х. наук</p><p>г.Гянджа</p></bio><bio xml:lang="en"><p>Dunya Ali kyzy Isaeva, candidate of agricultural sciences</p><p>Ganja</p></bio><email xlink:type="simple">isazade1987@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Азербайджанский Государственный Аграрный Университет</institution><country>Азербайджан</country></aff><aff xml:lang="en"><institution>Azerbaijan State Agrarian University</institution><country>Azerbaijan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>13</day><month>03</month><year>2021</year></pub-date><volume>344</volume><issue>1</issue><fpage>136</fpage><lpage>139</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аллахвердиев Э.Р., Исаева Д.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Аллахвердиев Э.Р., Исаева Д.А.</copyright-holder><copyright-holder xml:lang="en">Allahverdiyev E.R., Isayeva D.A.</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.vetpress.ru/jour/article/view/1470">https://www.vetpress.ru/jour/article/view/1470</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. В статье расмматриваются вопросы влияния норм удобрений и числа поливов на изменение питательного режима почвы при выращивании смешанных посевов сорго и гороха в условиях Карабахской зоны Азербайджана. Одним из основных вопросов было изучение характера изменения питательного режима почвы и влияние оптимальных норм удобрений и числа поливов на урожайность смешанных посевов в орошаемых издавна серых луговых почвах.</p></sec><sec><title>Материал и методика</title><p>Материал и методика. Почвенные образцы были взяты с двух слоев почвы (0-30 и 30-60 см) после укоса. Во взятых образцах были проанализированы соединения легкоусвояемого азота, фосфора и калия.</p></sec><sec><title>Результаты</title><p>Результаты. Анализ почвенных образцов показал, что внесение минеральных и органических удобрений на фоне различных количеств поливов значительно влияет на эффективное плодородие почвы. В целом, в фазу цветения и образования метелки у сорго под воздействием поливов и удобрений эффективное плодородие почвы по сравнению с контрольным вариантом без внесения удобрений осталось на достаточном уровне. Это указывает на то, что растение показывало высокую потребность на это питательное вещество. Понижение количества питательных элементов в фазе образования метелки показывает на его связь с выносом высокого урожая. Анализ почвенных образцов при проведении исследования показывает на то, что внедрение минеральных и органических удобрений на фоне различного количества поливов основательно повлияло на эффективное плодородие почвы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The article quotes questions of the influence of fertilizer rates and the number of irrigations on the change in the nutrient regime of the soil when growing mixed crops of pea and sorgho in the conditions of the Karabakh zone of Azerbaijan. In this regard, one of the main issues considered was the development on a scientific and practical basis of the nature of changes in the nutrient regime of the soil and the effect of optimal fertilizer rates and the number of irrigations on crop yields in mixed crops in long-irrigated gray meadow soils.</p></sec><sec><title>Methods</title><p>Methods. To study the effect of irrigation and fertilizer rates in mixed crops on changes in the nutrient regime of the soil, soil samples were taken from two soil layers (0-30 and 30-60 cm) after cutting. In the soil samples taken, compounds of nitrogen, phosphorus and potassium that are readily absorbed by plants were analyzed.</p></sec><sec><title>Results</title><p>Results. Analysis of soil samples shows that the application of mineral and organic fertilizers against the background of different amounts of irrigation fundamentally affects the effective fertility of the soil. In general, in the phase of flowering and panicle formation under the influence of irrigation and fertilizers, effective soil fertility was observed compared to the control variant without fertilizing, which remained at a sufficient amount. And this indicates that the plant showed a high demand for this nutrient. The decrease in the number of nutrients in the panicle formation phase indicates its connection with the removal of high yields. Analysis of soil samples during the study shows that the introduction of mineral and organic fertilizers against a background of varying amounts of irrigation has fundamentally affected the effective soil fertility.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>почва</kwd><kwd>смешанный посев</kwd><kwd>сорго</kwd><kwd>нут</kwd><kwd>питательный режим</kwd><kwd>норма полива</kwd><kwd>удобрение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soil</kwd><kwd>mixed sowing</kwd><kwd>pea</kwd><kwd>sorgho</kwd><kwd>nutrient regime</kwd><kwd>irrigation rate</kwd><kwd>fertilizer</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">Аллахвердиев Э.Р. Удобрение смешанных посевов. Гянджа, 2004. 112 с.</mixed-citation><mixed-citation xml:lang="en">Allakhverdiev E.R. Fertilization of mixed crops. 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