<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">esoil</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень Почвенного института имени В.В. Докучаева</journal-title><trans-title-group xml:lang="en"><trans-title>Dokuchaev Soil Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0136-1694</issn><issn pub-type="epub">2312-4202</issn><publisher><publisher-name>V.V. Dokuchaev Soil Science Institute</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.19047/0136-1694-2024-121-47-69</article-id><article-id custom-type="elpub" pub-id-type="custom">esoil-814</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Пермангант-окисляемый углерод как маркер качества почв агроландшафтов</article-title><trans-title-group xml:lang="en"><trans-title>Permangant-oxidizable carbon as a marker of soil quality in agrolandscapes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2988-5055</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прохоров</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokhorov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра почвоведения, геологии и ландшафтоведения, аспирант, направление "Почвоведение"</p><p>127434, Москва, Тимирязевская ул., 49</p></bio><bio xml:lang="en"><p>49 Timiryazevskaya Str., Moscow 127434</p></bio><email xlink:type="simple">artem.prokhorov.2016@inbox.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>Борисов</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127434, Москва, Тимирязевская ул., 49</p></bio><bio xml:lang="en"><p>49 Timiryazevskaya Str., Moscow 127434</p></bio><email xlink:type="simple">borisov@rgau-msha.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>Ефимов</surname><given-names>О. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimov</surname><given-names>O. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127434, Москва, Тимирязевская ул., 49</p></bio><bio xml:lang="en"><p>49 Timiryazevskaya Str., Moscow 127434</p></bio><email xlink:type="simple">efimovoe@yandex.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 Agricultural Academy named after K.A. Timiryazev</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>15</day><month>12</month><year>2024</year></pub-date><volume>0</volume><issue>121</issue><fpage>47</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Прохоров А.А., Борисов Б.А., Ефимов О.Е., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Прохоров А.А., Борисов Б.А., Ефимов О.Е.</copyright-holder><copyright-holder xml:lang="en">Prokhorov A.A., Borisov B.A., Efimov O.E.</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://bulletin.esoil.ru/jour/article/view/814">https://bulletin.esoil.ru/jour/article/view/814</self-uri><abstract><p>На примере почв Северо-Предкавказской провинции рассмотрены различные лабораторные методы оценки качества почв. В работе приведен подробный протокол проведения количественного определения фракции Permanganate oxidizable carbon (POXC) при использовании 0.2 н. раствора перманганата калия. Данные представлены для почв черноземного типа Ростовской области, принадлежащих к различным агроэкологическим группам. Были использованы образцы черноземов обыкновенных (Haplic Chernozems) и луговато-черноземных (Gleyic Chernozems) почв агроландшафтов. Для оценки фоновых параметров использовались данные необрабатываемых участков. Оценивались корреляционные зависимости POXC с фракцией бихромат-окисляемого углерода, легкой ( &lt;1.6 г/см3 ) и водоэкстрагируемой фракциями. Установлено, что содержание фракции POXC варьировало в диапазоне 126–1 006 мг/кг, при этом максимальные значения, в среднем 925 мг/кг, отмечались в пробах гумусовых горизонтов обыкновенных черноземов плакорной агроэкологической группы необрабатываемых участков. Минимальным же содержанием фракции POXC характеризовались пробы горизонтов АВ пахотных плакорных и пахотных слабо- и среднеэрозионных агроэкологических групп, в среднем 218 и 137 мг/кг соответственно. Установлено, что POXC имеет значимые корреляции с фракцией бихромат-окисляемого углерода, содержанием легкой фракции, содержанием общего азота и плотностью почвы, и на данной выборке показал себя как хороший маркер агроэкологических условий.</p></abstract><trans-abstract xml:lang="en"><p>Different laboratory methods of soil quality assessment are considered by the example of soils of the North-Pre-Caucasian province. The article presents a detailed protocol for quantitative determination of Permanganate oxidizable carbon (POXC) fraction using 0.2 M potassium permanganate solution. The data are presented for chernozem type soils of Rostov region belonging to different agroecological groups. Samples of ordinary chernozems (Haplic Chernozems) and meadow-chernozems (Gleyic Chernozems) soils of agrolandscapes were used. Data from non-tilled plots were used to estimate background parameters. Correlation POXC with fraction of bichromate-oxidizable carbon, light fraction (LF&lt; 1.6 g/cm3 ) and waterhydrolysable fractions were estimated. It was found that the content of POXC fraction varied in the range of 126–1 006 mg/kg, with maximum values, on average 925 mg/kg, in samples of humus horizons of ordinary chernozems of plakorny agroecological group of untreated plots. The minimum content of POXC fraction was characteristic for samples of AB horizons of arable plakorny and arable low- and medium eroded agroecological soil groups, on average 218 and 137 mg/kg, respectively. POXC has significant correlations with the fraction of bichromate-oxidizable carbon, the content of light fraction, the content of total nitrogen and soil density, and has shown to be a good marker of agro-ecological conditions on the studied set of samples.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>почвенное органическое вещество</kwd><kwd>агроэкологические&#13;
группы почв</kwd><kwd>активный углерод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soil organic matter</kwd><kwd>agroecological soil groups</kwd><kwd>active carbon</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена по итогам исследований в рамках программы Приоритет 2030 по направлению научного исследования “Разработка региональной методики оценки влияния современных агротехнологий на устойчивость агроландшафтов и плодородие почв”.</funding-statement><funding-statement xml:lang="en">The article was prepared based on the results of research within tne framework of the Priority 2030 programme in the research area “Development of a regional methodology for assessing the impact of modern agro-technologies on the sustainability of agrolandscapes and soil fertility”.</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">Артемьева З.С., Данченко Н.Н., Зазовская Э.П. и др. Изотопный состав углерода и химическая структура органического вещества типичного чернозема в условиях контрастного землепользования // Почвоведение. 2021. № 6. С. 686–700. DOI: 10.31857/S0032180X21060034.</mixed-citation><mixed-citation xml:lang="en">Artem'eva Z.S., Danchenko N.N., Zazovskaya E.P. et al., Izotopnyi sostav ugleroda i khimicheskaya struktura organicheskogo veshchestva tipichnogo chernozema v usloviyakh kontrastnogo zemlepol'zovaniya (Carbon isotope composition and chemical structure of organic matter of typical chernozem under contrasting land use), Pochvovedenie, 2021, No. 6, pp. 686–700, DOI: 10.31857/S0032180X21060034.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Борисов Б.А., Ефимов О.Е., Наумов В.Д., Прохоров А.А. Органическое вещество и агрегатное состояние чернозема выщелоченного и его полугидроморфного аналога // АгроЭкоИнфо: Электронный научнопроизводственный журнал. 2022. № 2. URL: http://agroecoinfo.ru/STATYI/2022/2/st_236.pdf. DOI: 10.51419/202122236.</mixed-citation><mixed-citation xml:lang="en">Borisov B.A., Efimov O.E., Naumov V.D., Prokhorov A.A., Organicheskoe veshchestvo i agregatnoe sostoyanie chernozema vyshchelochennogo i ego polugidromorfnogo analoga [Elektron. resurs] (Organic matter and aggregate state of leached chernozem and its semihydromorphic analogue), AgroEkoInfo: Elektronnyi nauchnoproizvodstvennyi zhurnal, 2022, No. 2, DOI: 10.51419/202122236.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Заварзина А.Г., Данченко Н.Н., Демин В.В., Артемьева З.С., Когут Б.М. Гуминовые вещества – гипотезы и реальность (обзор) // Почвоведение. 2021. № 12. С. 1449–1480. DOI: 10.31857/S0032180X21120169.</mixed-citation><mixed-citation xml:lang="en">Zavarzina A.G., Danchenko N.N., Demin V.V., Artem'eva Z.S., Kogut B.M., Guminovye veshchestva – gipotezy i real'nost' (obzor) (Humic substances – hypotheses and reality (review)), Pochvovedenie, 2021, No. 12, pp. 1449–1480, DOI: 10.31857/S0032180X21120169.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Классификация и диагностика почв СССР. М.: Колос, 1977. С. 86–98.</mixed-citation><mixed-citation xml:lang="en">Klassifikatsiya i diagnostika pochv SSSR (Classification and diagnosis of soils of the USSR), Moscow: Kolos, 1977, pp. 86–98.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Кирюшин В.И., Иванов А.Л. и др. Агроэкологическая оценка земель, проектирование адаптивно-ландшафтных систем земледелия и агротехнологий / Методическое руководство МСХ РФ, РАСХН. М.: ФГНУ “Росинформагротех”, 2005. 784 с.</mixed-citation><mixed-citation xml:lang="en">Kiryushin V.I., Ivanov A.L. et al., Agroekologicheskaya otsenka zemel', proektirovanie adaptivno-landshaftnykh sistem zemledeliya i agrotekhnologii (Agroecological evaluation of land, design of adaptive landscape farming systems and agro-technologies), Metodicheskoe rukovodstvo MSKhRF, RASKhN, Moscow: FGNU “Rosinformagrotekh”, 2005, 784 p.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Лебедева Т.Н., Соколов Д.А., Семенов М.В., Зинякова Н.Б., Удальцов С.Н., Семенов В.М. Распределение органического углерода между структурными и процессными пулами в серой лесной почве разного землепользования // Бюллетень Почвенного института имени В.В. Докучаева. 2024. Вып. 118. С. 79–127. DOI: 10.19047/0136-1694-2024-118-79-127.</mixed-citation><mixed-citation xml:lang="en">Lebedeva T.N., Sokolov D.A., Semenov M.V., Zinyakova N.B., Udal’tsov S.N., Semenov V.M., Organic carbon distribution between structural and process pools in the gray forest soil of different land use, Dokuchaev Soil Bulletin, 2024, Vol. 118, pp. 79–127, DOI: 10.19047/0136-1694-2024-118-79-127.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Прохоров А.А. Характеристика методов выделения фракций почвенного органического вещества и их использование для оценки гумусового состояния почв // АгроЭкоИнфо: Электронный научно-производственный журнал. 2022. № 6. URL: http://agroecoinfo.ru/STATYI/2022/6/st_604.pdf. DOI: 10.51419/202126604.</mixed-citation><mixed-citation xml:lang="en">Prokhorov A.A., Kharakteristika metodov vydeleniya fraktsii pochvennogo organicheskogo veshchestva i ikh ispol'zovanie dlya otsenki gumusovogo sostoyaniya pochv (Characteristics of methods of isolation of soil organic matter fractions and their use to assess the humus state of soils), AgroEkoInfo: Elektronnyi nauchno-proizvodstvennyi zhurnal, 2022, No. 6, DOI: 10.51419/202126604.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Прохоров А.А., Борисов Б.А., Ефимов О.Е. Индексная оценки степени выпаханности черноземов предкавказской провинции // Агрохимический вестник. 2023. № 5. С. 50–55. DOI: 10.24412/1029-2551-2023-5-009.</mixed-citation><mixed-citation xml:lang="en">Prokhorov A.A., Borisov B.A., Efimov O.E., Indeksnaya otsenki stepeni vypakhannosti chernozemov predkavkazskoi provintsii (Index estimation of the degree of ploughing of chernozems of the pre-Caucasian province), Agrokhimicheskii vestnik, 2023, No. 5, pp. 50–55, DOI: 10.24412/1029-2551-2023-5-009.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Смагин А.В. Структурно-функциональная организация почв как динамических биокосных систем: Автореф. дис. … д. б. н. 03.02.13. М., 2004. 44 с.</mixed-citation><mixed-citation xml:lang="en">Smagin A.V., Strukturno-funktsional'naya organizatsiya pochv kak dinamicheskikh biokosnykh system: Diss. … dokt. biol. nauk (Structural and functional organization of soils as dynamic biocosmic systems, Dr. Biol. Sci. theses), Moscow, 2004. 44 p.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Тулина А.С., Семенов В.М. Оценка чувствительности минерализуемого пула почвенного органического вещества к изменению температуры и влажности // Почвоведение. 2015. № 8. С. 952–962. DOI: 10.7868/S0032180X15080109.</mixed-citation><mixed-citation xml:lang="en">Tulina A.S., Semenov V.M., Otsenka chuvstvitel'nosti mineralizuemogo pula pochvennogo organicheskogo veshchestva k izmeneniyu temperatury i vlazhnosti (Assessment of the sensitivity of the mineralizable pool of soil organic matter to changes in temperature and humidity), Pochvovedenie, 2015, No. 8, pp. 952–962, DOI: 10.7868/S0032180X15080109.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Фоминых Л.А., Золотарева Б.Н., Холодов А.Л., Ширшова Л.Т. Фракционно-групповой состав гумуса почв тундровой зоны Евразии // Криосфера Земли. 2009. Т. 13. № 2. С. 44–54.</mixed-citation><mixed-citation xml:lang="en">Fominykh L.A., Zolotareva B.N., Kholodov A.L., Shirshova L.T., Fraktsionno-gruppovoi sostav gumusa pochv tundrovoi zony Evrazii (Fractional and group composition of humus in soils of the Eurasian tundra zone), Kriosfera Zemli, 2009, Vol. 13, No. 2, pp. 44–54.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Холодов В.А., Константинов А.И., Кудрявцев А.В., Перминова И.В. Строение гуминовых кислот почв зонального ряда по данным спектроскопии ЯМР 13 // Почвоведение. 2011. № 9. С. 1064–1073.</mixed-citation><mixed-citation xml:lang="en">Kholodov V.A., Konstantinov A.I., Kudryavtsev A.V., Perminova I.V., Stroenie guminovykh kislot pochv zonal'nogo ryada po dannym spektroskopii YaMR13 (Structure of humic acids of zonal soils by NMR13 spectroscopy), Pochvovedenie, 2011, No. 9, pp. 1064–1073.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Холодов В.А., Фарходов Ю.Р., Ярославцева Н.В., Данченко Н.Н., Ильин Б.С. Лазарев В.И. Водоэкстрагируемый и микробный углерод черноземов разного вида использования // Бюллетень Почвенного института имени В.В. Докучаева. 2022. 112. С. 122–133. DOI: 10.19047/0136-1694-2022-112-122-133.</mixed-citation><mixed-citation xml:lang="en">Kholodov V.A., Farkhodov Yu.R., Yaroslavtseva N.V., Danchenko N.N., Ilyin B.S., Lazarev V.I., Dissolved organic matter and microbial carbon of Protocalcic Chernozems of different land management, Dokuchaev Soil Bulletin, 2022, Vol. 112, pp. 122–133, DOI: 10.19047/0136-1694-2022-112-122-133.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Шпедт А.А., Вергейчик П.В., Картавых В.В. Оценка легкоразлагаемого органического вещества почв сельскохозяйственных угодий Красноярского края // Агрохимия. 2015. № 12. С. 36–43.</mixed-citation><mixed-citation xml:lang="en">Shpedt A.A., Vergeichik P.V., Kartavykh V.V., Otsenka legkorazlagaemogo organicheskogo veshchestva pochv sel'skokhozyaistvennykh ugodii Krasnoyarskogo kraya (Assessment of easily degradable organic matter of soils of agricultural lands in Krasnoyarsk Krai), Agrokhimiya, 2015, No. 12, pp. 36–43.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Borisov B.A., Efimov O.E., Eliseeva O.V. et al. Organic matter of sodpodzolic soil after transition to a fallow state // IOP Conference Series: Earth and Environmental Science. 2021. P. 022022. DOI: 10.1088/1755-1315/1010/1/012108.</mixed-citation><mixed-citation xml:lang="en">Borisov B.A., Efimov O.E., Eliseeva O.V. et al., Organic matter of sodpodzolic soil after transition to a fallow state, IOP Conference Series: Earth and Environmental Science, 2021, DOI: 10.1088/1755-1315/1010/1/012108.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Culman S., Freeman M., Snapp S. Procedure for determination of permanganate oxidizable carbon. Kellogg Biological Station, Michigan State University, Hickory Corners, 2012. MI 49060. URL: http://lter.kbs.msu.edu/protocols/133.</mixed-citation><mixed-citation xml:lang="en">Culman S., Freeman M., Snapp S., Procedure for determination of permanganate oxidizable carbon, Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060. URL: http://lter.kbs.msu.edu/protocols/133</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Culman S. et al. Permanganate Oxidizable Carbon Reflects a Processed Soil Fraction that is Sensitive to Management // Soil Science Society of America Journal. 2012. Vol. 76. P. 494–504. DOI: 10.2136/sssaj2011.0286.</mixed-citation><mixed-citation xml:lang="en">Culman S. et al., Permanganate Oxidizable Carbon Reflects a Processed Soil Fraction that is Sensitive to Management, Soil Science Society of America Journal, 2012, Vol. 76, pp. 494–504, DOI: 10.2136/sssaj2011.0286.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">den Boef G., Polak H.L. Oxidimetric determination of organic compounds by means of strong oxidising agents // Talanta. 1962. Vol. 9. Iss. 3. P. 271– 284. DOI: 10.1016/0039-9140(62)80061-7.</mixed-citation><mixed-citation xml:lang="en">den Boef G., Polak H.L, Oxidimetric determination of organic compounds by means of strong oxidising agents, Talanta, 1962, Vol. 9, Iss. 3, pp. 271–284, DOI: 10.1016/0039-9140(62)80061-7.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Fine A.K., van Es H., Schindelbeck R. Statistics, Scoring Functions, and Regional Analysis of a Comprehensive Soil Health Database // Soil Science Society of America Journal. 2017. Vol. 81. DOI: 10.2136/sssaj2016.09.0286.</mixed-citation><mixed-citation xml:lang="en">Fine A.K., van Es H., Schindelbeck R., Statistics Scoring Functions and Regional Analysis of a Comprehensive Soil Health Database, Soil Science Society of America Journal, 2017, Vol. 81, DOI: 10.2136/sssaj2016.09.0286.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Ghani A., Dexter M., Perrott K.W. Hot-water extractable carbon in soils: a sensitive measurement for determining impacts of fertilisation, grazing and cultivation // Soil Biology &amp; Biochemistry. 2003. Vol. 35. P. 1231–1243. DOI: 10.1016/S0038-0717(03)00186-X.</mixed-citation><mixed-citation xml:lang="en">Ghani A., Dexter M., Perrott K.W., Hot-water extractable carbon in soils: a sensitive measurement for determining impacts of fertilisation, grazing and cultivation, Soil Biology and Biochemistry, 2003, Vol. 35, pp. 1231–1243, DOI: 10.1016/S0038-0717(03)00186-X.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Hartemink A.E., Gerzabek M.H., Lal R., Mc. Sweeney K. “Soil Carbon Research Priorities”. New York, Dordrecht London: Springer Cham Heidelberg, 2014. DOI: 10.1007/978-3-319-04084-4_48.</mixed-citation><mixed-citation xml:lang="en">Hartemink A.E., Gerzabek M.H., Lal R., Mc. Sweeney K., “Soil Carbon Research Priorities”, New York, Dordrecht London: Springer Cham Heidelberg, 2014, DOI: 10.1007/978-3-319-04084-4_48.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">IUSS Working Group WRB. World Reference Base for Soil Resources 2014, update 2015. International soil classification system for naming soils and creating legends for soil maps. World Soil Resources Reports No. 106. FAO, Rome.</mixed-citation><mixed-citation xml:lang="en">IUSS Working Group WRB. World Reference Base for Soil Resources 2014, update 2015, International soil classification system for naming soils and creating legends for soil maps, World Soil Resources Reports, No. 106, FAO, Rome</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">John B., Yamashita T., Ludwig B., Flessa, H. Storage of organic carbon in aggregate and density fractions of silty soils under different types of land use // Geoderma. 2005. Vol. 128. P. 63–79. DOI: 10.1016/j.geoderma.2004.12.013.</mixed-citation><mixed-citation xml:lang="en">John B., Yamashita T., Ludwig B., Flessa, H., Storage of organic carbon in aggregate and density fractions of silty soils under different types of land use, Geoderma, 2005, Vol. 128, pp. 63–79, DOI: 10.1016/j.geoderma.2004.12.013.</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">Kuzyakov Y., Gunina A., Zamanian K., Tian J., Luo Y., Xu X., Yudina A., Aponte H., Alharbi H., Ovsepyan L., Kurganova L., Ge T., Guillaume T. New approaches for evaluation of soil health, sensitivity and resistance to degradation // Frontiers of Agricultural Science and Engineering. 2020. Vol. 7(3). P. 282–288. DOI: 10.15302/J-FASE-2020338.</mixed-citation><mixed-citation xml:lang="en">Kuzyakov Y., Gunina A., Zamanian K., Tian J., Luo Y., Xu X., Yudina A., Aponte H., Alharbi H., Ovsepyan L., Kurganova L., Ge T., Guillaume T., New approaches for evaluation of soil health, sensitivity and resistance to degradation, Frontiers of Agricultural Science and Engineering, 2020, Vol. 7(3), pp. 282–288, DOI: 10.15302/J-FASE-2020338.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">Lal R. Soil Carbon Sequestration Impacts on Global Climate Change and Food Security // Science. 2004. Vol. 304. P. 1623–7. DOI: 10.1126/science.1097396.</mixed-citation><mixed-citation xml:lang="en">Lal R., Soil Carbon Sequestration Impacts on Global Climate Change and Food Security, Science, 2004, Vol. 304, pp. 1623–1627, DOI: 10.1126/science.1097396.</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">Weil R., Kandikar R., Melissa A., Gruver J.B., Susan E. Estimating active carbon for soil quality assessment: A simplified method for laboratory and field use // American Journal of Alternative Agriculture. 2003. Vol. 18. P. 3– 17. DOI: 10.1079/AJAA200228.</mixed-citation><mixed-citation xml:lang="en">Weil R., Kandikar R., Melissa A., Gruver J.B., Susan E., Estimating active carbon for soil quality assessment: A simplified method for laboratory and field use, American Journal of Alternative Agriculture, 2003, Vol. 18, pp.3– 17, DOI: 10.1079/AJAA200228.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
