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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1194</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Ансамблевый метод обучения на основе суммирования для прогнозирования доступного азота в почве с помощью портативного микроспектрометра ближнего инфракрасного диапазона</article-title><trans-title-group xml:lang="en"><trans-title>A Stacking-Based Ensemble Learning Method for Available Nitrogen Soil Prediction with a Handheld Micronear-Infrared Spectrometer</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>Wan</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Wan</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Jin</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Jin</surname><given-names>X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><email xlink:type="simple">jinxiu123@ahau.edu.cn</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>Han</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Han</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wang</surname><given-names>L.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Li</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Rao</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Rao</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Zhang</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Gao</surname><given-names>Q.</given-names></name><name name-style="western" xml:lang="en"><surname>Gao</surname><given-names>Q.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй</p></bio><bio xml:lang="en"><p>Hefei</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Аньхойский сельскохозяйственный университет;&#13;
Колледж информации и компьютерных наук Аньхойского сельскохозяйственного университета</institution></aff><aff xml:lang="en"><institution>Anhui Province Key Laboratory of Smart Agricultural Technology and Equipment, Anhui Agriculture University;&#13;
College of Information and Computer Science at Anhui Agricultural University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>12</month><year>2022</year></pub-date><volume>89</volume><issue>6</issue><fpage>907</fpage><lpage>907</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Wan M., Jin X., Han Y., Wang L., Li S., Rao Y., Zhang X., Gao Q., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Wan M., Jin X., Han Y., Wang L., Li S., Rao Y., Zhang X., Gao Q.</copyright-holder><copyright-holder xml:lang="en">Wan M., Jin X., Han Y., Wang L., Li S., Rao Y., Zhang X., Gao Q.</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://zhps.ejournal.by/jour/article/view/1194">https://zhps.ejournal.by/jour/article/view/1194</self-uri><abstract><p>Для разработки надежной и точной модели доступного в почве азота используются спектроскопия в ближнем ИК-диапазоне (БИК) почвы и данные об азоте. Спектральная отражательная способность образцов почвы изучена в диапазоне 900—1700 нм с помощью девяти методов предварительной обработки с использованием портативного микроБИК-спектрометра. Экстремальное повышение градиента (XGBoost), категориальное повышение (CatBoost), машина повышения градиента света (LightGBM) и случайный лес, которые представляют собой древовидные алгоритмы, сложены в виде базовых моделей. Линейная регрессия используется в метамодели для определения уникального шаблона обучения базовой модели. Результаты показывают, что диапазон и характеристики спектров можно использовать для соответствующих прогнозов, а спектры микро-БИК меняются при различных предварительных обработках. Многослойная модель обеспечивает наилучшую производительность среди всех протестированных моделей. Коэффициент детерминации R2 = 0.942, относительная процентная разница RPD = 4.192 с коррекцией Савицкого–Голея и мультипликативным рассеянием. </p></abstract><trans-abstract xml:lang="en"><p>Soil-available nitrogen is a vital index related to the growth and development of crops. The real-time and non-destructive detection of the soil-available nitrogen content based on near-infrared (NIR) spectroscopy could improve the accurate management of crop nutrients. In this manuscript, soil NIR spectroscopy and available nitrogen data are used in a stacked framework to develop a reliable and accurate soilavailable nitrogen model. The spectral reflectance of the soil samples was collected in the 900 to 1700 nm band with nine pre-processing methods using a handheld micronear-infrared spectrometer. The stacking framework of this manuscript has two layers. Extreme gradient boosting (XGBoost), categorical boosting (CatBoost), a light gradient boosting machine (LightGBM) and a random forest, which are tree-based algorithms, are stacked as base models in the first layer. In the second layer, linear regression is employed in a meta-model to identify the unique learning pattern of the base model. The results show that the range and characteristics of the spectra can be used to make relevant predictions, and the micro-NIR spectra are variable under different pre-treatments. In addition, the stacked model achieves the best performance of all the models tested. Notably, the coefficient of determination (R2) is 0.942, and the relative percent difference is 4.192 with Savitzky–Golay and multiplicative scatter correction. This manuscript presents an efficient method for predicting soil-available nitrogen levels with a handheld micronear-infrared spectrometer. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>ближний инфракрасный диапазон</kwd><kwd>доступный азот в почве</kwd><kwd>портативный спектрометр</kwd><kwd>предварительная обработка</kwd><kwd>ансамблевый метод обучения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>near-infrared spectrum</kwd><kwd>soil-available nitrogen</kwd><kwd>handheld micronear-infrared spectrometer</kwd><kwd>pretreatment</kwd><kwd>stacked ensemble learning method</kwd></kwd-group><funding-group><funding-statement xml:lang="en">We are very grateful for the support of Natural Science Foundation of Anhui Province (No. 2008085MF203), Anhui Provincial Natural Science Project (No. KJ2019Z20), Anhui Provincial Natural Science Project (No. KJ2019A0212), Anhui Province Key Research and Development Program Project (No. 1804a07020108), Anhui Province Key Research and Development Program Project (No. 201904a06020056).</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">X. 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