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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Agronomy and Animal Industries</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Agronomy and Animal Industries</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Агрономия и животноводство</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-797X</issn><issn publication-format="electronic">2312-7988</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">19560</article-id><article-id pub-id-type="doi">10.22363/2312-797X-2020-15-2-123-133</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Crop production</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Растениеводство</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Fuzzy logic device for crop analysing, modeling and forecasting in the Kabardino-Balkarian Republic</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ, моделирование и прогноз урожайности сельскохозяйственных культур для Кабардино-Балкарской Республики с использованием аппарата нечеткой логики</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bischokov</surname><given-names>Ruslan M.</given-names></name><name xml:lang="ru"><surname>Бисчоков</surname><given-names>Руслан Мусарбиевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Physics and Mathematics, Associate Professor, Department of Higher Mathematics and Computer Science</p></bio><bio xml:lang="ru"><p>кандидат физико-математических наук, доцент кафедры высшей математики и информатики</p></bio><email>rusbis@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kabardino-Balkarian State Agrarian University named after V.M. Kokov</institution></aff><aff><institution xml:lang="ru">Кабардино-Балкарский государственный аграрный университет им. В.М. Кокова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2020</year></pub-date><volume>15</volume><issue>2</issue><issue-title xml:lang="en">VOL 15, NO2 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 15, №2 (2020)</issue-title><fpage>123</fpage><lpage>133</lpage><history><date date-type="received" iso-8601-date="2020-06-13"><day>13</day><month>06</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Bischokov R.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Бисчоков Р.М.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Bischokov R.M.</copyright-holder><copyright-holder xml:lang="ru">Бисчоков Р.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://agrojournal.rudn.ru/agronomy/article/view/19560">https://agrojournal.rudn.ru/agronomy/article/view/19560</self-uri><abstract xml:lang="en"><p>Using computer fuzzy-logical models based on empirical values of climatic characteristics (rainfall, temperature and humidity) of long-term observations (1955-2018) from meteorological stations in the Kabardino-Balkarian Republic (Nalchik, Baksan, Prokhladny and Terek) and crop yields (winter wheat, spring wheat, corn, sunflower, millet, oats), dependence of crop yields on variations of climatic factors were analyzed and a specific forecast was given. Setting expected values of climatic characteristics in computer model, we received possible values of productivity for the next season. Uniformity assessment (Dixon and Smirnov - Grabbsa’s criterion), stability (Student and Fischer’s criterion), statistical importance of parameters of distribution and accidental errors were determined. Originality of the method is in the fact that in the form of input parameters of the model predictors, the previously calculated forecast values of the meteorological parameters for the next agricultural year were used, and at the output, the predicted values of crop productivity were obtained as predictants. Furthermore, recommendations on adoption of management decisions were developed.</p></abstract><trans-abstract xml:lang="ru"><p>С применением ранее созданных компьютерных нечетко-логических моделей на основе погодно-климатических данных метеостанций Кабардино-Балкарской Республики предгорной (Нальчик и Баксан) и степной (Прохладный и Терек) зон и урожайности сельскохозяйственных культур (озимая и яровая пшеница, кукуруза, подсолнечник, просо, овес), выращиваемых на территориях, контролируемых этими станциями, проанализированы зависимости урожайности сельскохозяйственных культур от вариаций природно-климатических факторов и дан конкретный прогноз урожайности на сельскохозяйственный год вперед для предгорной зоны, хотя некоторые прогнозные рекомендации действительны и для других зон. Оригинальность метода состоит в том, что в виде входных параметров модели предикторов использованы рассчитанные ранее прогнозные значения метеопараметров на следующий сельскохозяйственный год, а на выходе в качестве предиктантов получены прогнозные значения урожайности культур.</p></trans-abstract><kwd-group xml:lang="en"><kwd>productivity</kwd><kwd>precipitation</kwd><kwd>air temperature</kwd><kwd>humidity</kwd><kwd>statistical analysis</kwd><kwd>analogous year</kwd><kwd>fuzzy logic</kwd><kwd>season</kwd><kwd>integral empirical distribution</kwd><kwd>random error estimation</kwd><kwd>growing season</kwd><kwd>forecast</kwd><kwd>KabardinoBalkariya</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>урожайность</kwd><kwd>осадки</kwd><kwd>температура воздуха</kwd><kwd>влажность воздуха</kwd><kwd>статистический анализ</kwd><kwd>год-аналог</kwd><kwd>нечеткая логика</kwd><kwd>сезон</kwd><kwd>интегральное эмпирическое распределение</kwd><kwd>оценка случайных погрешностей</kwd><kwd>сроки вегетации</kwd><kwd>прогноз</kwd><kwd>Кабардино-Балкария</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Borisenkov EP. 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