The importance of initial application and reapplication of biochar in the context of soil structure improvement
It was shown that the use of biochar provides many benefits to agriculture by improving the whole complex of soil properties, including soil structure. However, the diverse range of biochar effects depends on its physicochemical properties, its application rates, soil initial properties etc. The imp...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Sciendo
2021-03-01
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| Series: | Journal of Hydrology and Hydromechanics |
| Subjects: | |
| Online Access: | https://doi.org/10.2478/johh-2020-0044 |
| _version_ | 1819045517344112640 |
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| author | Juriga Martin Aydın Elena Horák Ján Chlpík Juraj Rizhiya Elena Y. Buchkina Natalya P. Balashov Eugene V. Šimanský Vladimír |
| author_facet | Juriga Martin Aydın Elena Horák Ján Chlpík Juraj Rizhiya Elena Y. Buchkina Natalya P. Balashov Eugene V. Šimanský Vladimír |
| author_sort | Juriga Martin |
| collection | DOAJ |
| description | It was shown that the use of biochar provides many benefits to agriculture by improving the whole complex of soil properties, including soil structure. However, the diverse range of biochar effects depends on its physicochemical properties, its application rates, soil initial properties etc. The impacts of biochar, mainly its reapplication to soils and its interaction with nitrogen in relation to water-stable aggregates (WSA) did not receive much attention to date. The aims of the study were: (1) to evaluate the effect of initial application (in spring 2014) and reapplication (in spring 2018) of different biochar rates (B0, B10 and B20 t ha−1) as well as application of biochar with N-fertilizer (40 to 240 kg N ha−1 depending on the requirement of the cultivated crop) on the content of WSA as one of the most important indicators of soil structure quality, (2) to assess the interrelationships between the contents of soil organic matter (SOM) and WSA. The study was conducted in 2017–2019 as part of the field experiment with biochar on Haplic Luvisol at the experimental station of SUA in Nitra, Slovakia. Results showed that initial application as well as reapplication of biochar improved soil structure. The most favorable changes in soil structure were found in N0B20B treatment (with biochar reapplication) at which a significantly higher content of water-stable macro-aggregates (WSAma) (+15%) as well as content of WSAma size fractions of > 5 mm, 5–3 mm, 3–2 mm and 2–1 mm (+72%, +65%, +57% and +64%, respectively) was observed compared to the control. An increase in SOM content, due to both, initial biochar application and its reapplication, significantly supported the stability of soil aggregates, while organic matter including humic substances composition did not. |
| first_indexed | 2024-12-21T10:29:50Z |
| format | Article |
| id | doaj.art-ddc07ca4b8c149b79e6f513748b8db60 |
| institution | Directory Open Access Journal |
| issn | 0042-790X |
| language | English |
| last_indexed | 2024-12-21T10:29:50Z |
| publishDate | 2021-03-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Journal of Hydrology and Hydromechanics |
| spelling | doaj.art-ddc07ca4b8c149b79e6f513748b8db602022-12-21T19:07:14ZengSciendoJournal of Hydrology and Hydromechanics0042-790X2021-03-01691879710.2478/johh-2020-0044The importance of initial application and reapplication of biochar in the context of soil structure improvementJuriga Martin0Aydın Elena1Horák Ján2Chlpík Juraj3Rizhiya Elena Y.4Buchkina Natalya P.5Balashov Eugene V.6Šimanský Vladimír7Department of Soil Science, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, 949 76Nitra, Slovakia.Department of Biometeorology and Hydrology, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, 949 76Nitra, Slovakia.Department of Biometeorology and Hydrology, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, 949 76Nitra, Slovakia.Department of Soil Science, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, 949 76Nitra, Slovakia.Department of Soil Physics, Physical Chemistry and Biophysics, Agrophysical Research Institute, 14 Grazhdansky pr., 195220St. Petersburg, Russia.Department of Soil Physics, Physical Chemistry and Biophysics, Agrophysical Research Institute, 14 Grazhdansky pr., 195220St. Petersburg, Russia.Department of Soil Physics, Physical Chemistry and Biophysics, Agrophysical Research Institute, 14 Grazhdansky pr., 195220St. Petersburg, Russia.Department of Soil Science, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, 949 76Nitra, Slovakia.It was shown that the use of biochar provides many benefits to agriculture by improving the whole complex of soil properties, including soil structure. However, the diverse range of biochar effects depends on its physicochemical properties, its application rates, soil initial properties etc. The impacts of biochar, mainly its reapplication to soils and its interaction with nitrogen in relation to water-stable aggregates (WSA) did not receive much attention to date. The aims of the study were: (1) to evaluate the effect of initial application (in spring 2014) and reapplication (in spring 2018) of different biochar rates (B0, B10 and B20 t ha−1) as well as application of biochar with N-fertilizer (40 to 240 kg N ha−1 depending on the requirement of the cultivated crop) on the content of WSA as one of the most important indicators of soil structure quality, (2) to assess the interrelationships between the contents of soil organic matter (SOM) and WSA. The study was conducted in 2017–2019 as part of the field experiment with biochar on Haplic Luvisol at the experimental station of SUA in Nitra, Slovakia. Results showed that initial application as well as reapplication of biochar improved soil structure. The most favorable changes in soil structure were found in N0B20B treatment (with biochar reapplication) at which a significantly higher content of water-stable macro-aggregates (WSAma) (+15%) as well as content of WSAma size fractions of > 5 mm, 5–3 mm, 3–2 mm and 2–1 mm (+72%, +65%, +57% and +64%, respectively) was observed compared to the control. An increase in SOM content, due to both, initial biochar application and its reapplication, significantly supported the stability of soil aggregates, while organic matter including humic substances composition did not.https://doi.org/10.2478/johh-2020-0044biocharsoil organic matterwater-stable aggregatessoil structurehaplic luvisols |
| spellingShingle | Juriga Martin Aydın Elena Horák Ján Chlpík Juraj Rizhiya Elena Y. Buchkina Natalya P. Balashov Eugene V. Šimanský Vladimír The importance of initial application and reapplication of biochar in the context of soil structure improvement Journal of Hydrology and Hydromechanics biochar soil organic matter water-stable aggregates soil structure haplic luvisols |
| title | The importance of initial application and reapplication of biochar in the context of soil structure improvement |
| title_full | The importance of initial application and reapplication of biochar in the context of soil structure improvement |
| title_fullStr | The importance of initial application and reapplication of biochar in the context of soil structure improvement |
| title_full_unstemmed | The importance of initial application and reapplication of biochar in the context of soil structure improvement |
| title_short | The importance of initial application and reapplication of biochar in the context of soil structure improvement |
| title_sort | importance of initial application and reapplication of biochar in the context of soil structure improvement |
| topic | biochar soil organic matter water-stable aggregates soil structure haplic luvisols |
| url | https://doi.org/10.2478/johh-2020-0044 |
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