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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">10.34677/0021-342X-2019-2-129-135</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-68</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF MESSAGES</subject></subj-group></article-categories><title-group><article-title>Продукционный процесс и азотное питание растений капусты китайской Brassica chinensis L. при выращивании под светодиодным облучателем</article-title><trans-title-group xml:lang="en"><trans-title>Plant production processes and nitrogen metabolism of chinese cabbage (Brassica chinensis L.) when grown under led illumination</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>Знаменский</surname><given-names>Артём Игоревич</given-names></name><name name-style="western" xml:lang="en"><surname>Znamenskiy</surname><given-names>Artyom I.</given-names></name></name-alternatives><email xlink:type="simple">znart3@gmail.com</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>Яковлева</surname><given-names>Ольга Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Yakovleva</surname><given-names>Olga S.</given-names></name></name-alternatives><email xlink:type="simple">O_S_yakovleva@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>Смолянина</surname><given-names>Светлана Олеговна</given-names></name><name name-style="western" xml:lang="en"><surname>Smolyanina</surname><given-names>Svetlana Olegovna</given-names></name></name-alternatives><email xlink:type="simple">q666666@ya.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>Беркович</surname><given-names>Юлий Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Berkovich</surname><given-names>Yuliy A.</given-names></name></name-alternatives><email xlink:type="simple">q666666@ya.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>Тараканов</surname><given-names>Иван Германович</given-names></name><name name-style="western" xml:lang="en"><surname>Tarakanov</surname><given-names>Ivan G.</given-names></name></name-alternatives><email xlink:type="simple">plantphys@timacad.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>РГАУ-МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University - Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт медико-биологических проблем РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>RAS Institute of Biomedical Problems</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>17</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>129</fpage><lpage>135</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Знаменский А.И., Яковлева О.С., Смолянина С.О., Беркович Ю.А., Тараканов И.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Знаменский А.И., Яковлева О.С., Смолянина С.О., Беркович Ю.А., Тараканов И.Г.</copyright-holder><copyright-holder xml:lang="en">Znamenskiy A.I., Yakovleva O.S., Smolyanina S.O., Berkovich Y.A., Tarakanov I.G.</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/68">https://izvestiia.timacad.ru/jour/article/view/68</self-uri><abstract><p>В двух сериях экспериментов с капустой китайской Brassica chinensis L. была исследованы продуктивность посевов и распределение сухого вещества и пула нитратов по органам и тканям растений при выращивании в гидропонной нециркуляционной проточной установке. Растения выращивали под белыми и красными светодиодами на питательных растворах с различными концентрациями азота (нитратный - от 40 до 150мг/л; аммонийный - от 0 до 70мг/л). В опытах установлена положительная корреляция между накоплением сухой массы растениями и концентрацией азота в питательном растворе в диапазоне от 40 до 120 мг/л. Установлено, что при выбранном режиме освещения концентрация нитратного азота в растворе не должна превышать 70 мг/л. Частичное замещение нитратной формы азота аммонийной позволило уменьшить накопление нитратов в побегах без потери продуктивности.</p></abstract><trans-abstract xml:lang="en"><p>The paper describes two series of experiments with Chinese cabbage (Brassica chinensis L.). The authors studied the productivity of crops and distribution of dry matter and nitrate pool in plant tissues. Plants were grown in a non-circulating passive hydroponic installation under white and red LEDs in nutrient solutions with various nitrogen concentrations (nitrate -from 40 to 150 mg/l, ammonia -from 0 to 70 mg/l). The study found positive correlation between the accumulation of dry weight of plants and the nitrogen concentration in the nutrient solution in the range from 40 to 120 mg/l. It was established that with the selected lighting mode, the concentration of nitrate nitrogen in the solution should not exceed 70 mg /1. Partial replacement of an ammonium nitrate form of nitrogen allowed to reduce nitrate concentration in the shoots without any loss of their productivity.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>капуста китайская (Brassica chinensis L.)</kwd><kwd>азотное питание</kwd><kwd>нитраты</kwd><kwd>световой режим</kwd><kwd>светодиодные облучатели</kwd><kwd>нециркуляционная гидропонная установка</kwd><kwd>Chinese cabbage (Brassica chinensis L.)</kwd><kwd>nitrates</kwd><kwd>nitrogen nutrition</kwd><kwd>light mode</kwd><kwd>LED illuminators</kwd><kwd>non-circulating passive hydroponic installation</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">Измайлов С.Ф. 1986. Азотный обмен в растениях. М: Наука, 320 с.</mixed-citation><mixed-citation xml:lang="en">Измайлов С.Ф. 1986. Азотный обмен в растениях. 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