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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">kaz65</journal-id><journal-title-group><journal-title xml:lang="ru">Почвоведение и агрохимия</journal-title><trans-title-group xml:lang="en"><trans-title>Soil Science and Agrichemistry</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1999-740X</issn><issn pub-type="epub">2959-3433</issn><publisher><publisher-name>Казахский научно-исследовательский институт почвоведения и агрохимии имени У.У. Успанова</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">kaz65-425</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="en"><subject>SOIL PHYSICS AND MECHANICS</subject></subj-group></article-categories><title-group><article-title></article-title><trans-title-group xml:lang="en"><trans-title>INVESTIGATING SOIL TEMPERATURE VARIABILITY AND THERMAL DIFFUSIVITY IN GRASS COWERED AND SHADED AREAS BY TREES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Imanverdi</surname><given-names>Ekberli</given-names></name></name-alternatives><email xlink:type="simple">iman@omu.edu.tr</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Yildiz</surname><given-names>Sarilar</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="en">Ondokuz Mayis University, Faculty of Agriculture, Department of Soil Science and Plant Nutrition<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="en">Ministry of Food Agriculture and Livestock, Qaramba District Directorate ofAgriculture<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>4</issue><fpage>17</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Imanverdi E., Yildiz S., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Imanverdi E., Yildiz S.</copyright-holder><copyright-holder xml:lang="en">Imanverdi E., Yildiz S.</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://journal.soil.kz/jour/article/view/425">https://journal.soil.kz/jour/article/view/425</self-uri><abstract><p>Изменения в температурном режиме почвы являются одним из самых важных компонентов микроклимата почвы и оказывают значительное влияние на изменение свойств почвы и развитие растений. В этом исследовании, температура почвы и значения теплопроводности определялись на двух различных полях, которые покрыты травой, и затемненных участках под персиковыми деревьями. Теоретические значения температуры почвы, полученные из решения уравнения теплопроводности сравнили с экспериментальными значениями температуры почвы. Полевые исследования проводились на поле фермы в Турции, Самсун, округ Чаршамба, Есилирмакском районе (36 ° 43,380' к востоку, 41° 13,061' к северу) в период с августа по сентябрь 2011 года. Средняя температура почвы на первом экспериментальном поле, покрытом травой, в 7:00, 12:00, 18:00 часов были определены как 19,5° С; 28,4° С; 23,4 ° С на поверхности почвы, 20,2° С; 26,9° С; 23,3° С на глубине 10 см, 20,7° С; 26,0° С; 23,1° С на 20 см, 21,1° С; 25,3° С, 22,9° С на глубине 30 см и 21,4° С; 24,9° С; 22,9° C при глубине почвы 40 см, соответственно. Средняя температура почвы на втором опытном поле в тени персиковых деревьев в 7:00, 12:00, 18:00 часов была 19,4° С; 24,7° С; 22,5° С на поверхности почвы, 20,3 ° С; 24,5° С; 22,7° С на глубине 10 см, 20,8° С; 24,1° С; 22,6° С на глубине 20 см, 21,1° С; 23,7° С; 22,4° С на 30 см и 21,0° С; 23,5° С; 22,2° С на глубине почвы 40 см, соответственно. Средняя проводимость температуры на 1-м опытном поле в слое почвы от 0 до 40 см была 0.460 cm2 s-1; 0.029 cm2 s-1 и 0.167 sm2 s-1 в 700, 1200 и 1800 часов соответственно. Средняя проводимость температуры на 2-м опытном поле в почвенном слое от 0 до 40 см была 0.234 cm2 s-1; 0.115 cm2 s-1 и 1.677 cm2 s-1 в 7:00, 12:00 и 18:00 часов соответственно. Средние относительные погрешности между расчетными результатами с использованием решения уравнения теплопроводности и экспериментальными измерениями температуры были 0,089 на поверхности почвы и 0,055 на глубине почвы 20 см. Сравнение экспериментальных измерений температуры с расчетными значениями температуры показали, что исходное абсолютное решение уравнения теплопроводности в течение короткого периода (&lt; 3 дня) дает гораздо лучшие периодические тепловые изменения на поверхности почвы и в слоях почвы.</p></abstract><trans-abstract xml:lang="en"><p>Changes in the soil temperature conditions are one of the most important components of soil microclimate and have a considerable impact on changes in soil properties and plant development processes. In this research, soil temperature and thermal diffusivity values were determined at two different fields which are grass covered and shaded areas by peach trees. Theoretical soil temperature values obtained from the solution of thermal conductivity equation were compared to experimental soil temperature values. Field studies were carried out on a farm field in Turkey, Samsun, Qaramba County, Yesilirmak neighborhood (36° 43.380' to the East, 41° 13.061' to the North) between August and September, 2011. Mean soil temperatures at the first experimental field covered by grass at 7:00, 12л00, 18л00 hours were determined as 19.5°C; 28.4°C; 23.4°C at the soil surface, 20.2°C; 26.9°C; 23.3°C at 10 cm, 20.7°C; 26.0°C; 23.1°C at 20 cm, 21.1°C; 25.3°C, 22.9°C at 30 cm and 21.4°C; 24.9°C; 22.9°C at 40 cm soil depth, respectively. Mean soil temperatures at the second experimental field shaded by peach trees at 7:00, 12:00, 18:00 hours were determined as 19.4°C; 24.7°C; 22.5°C at the soil surface, 20.3°C; 24.5°C; 22.7°C at 10 cm, 20.8°C; 24.1°C; 22.6°C at 20 cm, 21.1°C; 23.7°C; 22.4°C at 30 cm and 21.0°C; 23.5°C; 22.2°C at 40 cm soil depth, respectively. Mean thermal diffusivity in the 1st experimental field from 0 to 40 cm soil layer were 0.460 cm2 s-1; 0.029 cm2 s-1 and 0.167 sm2 s-1 at 700, 1200 and 1800 hours, respectively. Mean thermal diffusivity in the 2nd experimental field from 0 to 40 cm soil layer were 0.234 cm2 s-1; 0.115 cm2 s-1 and 1.677 cm2 s-1at 7:00, 12:00 and 18:00 hours, respectively. The mean relative errors between the estimated results using the solution of heat conductivity equation and the experimental temperature measurements were 0.089 at the soil surface and 0.055 at 20 cm soil depth. Comparison of the experimental temperature measurements to estimated temperature values showed that the initial unconditional solution of the heat conductivity equation in a short period (&lt; 3 days) gives much better periodic thermal changes on the soil surface and in soil layers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>soil temperature</kwd><kwd>thermal diffusivity</kwd><kwd>heat conductivity equation</kwd><kwd>measured and estimated temperatures</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">Allison, L. E., Moodie, C. D., 1965. Carbonate. In: C. A. Black et all (ed). Methods of Soil Analysis, Part 2. Agronomy 9:1379-1400. American Socety Of Argon., Inc., Madison, Wisconsin, USA.</mixed-citation><mixed-citation xml:lang="en">Allison, L. E., Moodie, C. D., 1965. Carbonate. In: C. A. Black et all (ed). Methods of Soil Analysis, Part 2. Agronomy 9:1379-1400. 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