Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil
Research into biochar, as an amendment to soil, has increased over the last decade. However, there is still much to understand regarding the effects of biochar type and rates on the physicochemical properties of different soil types. This study aimed to investigate the effects of biochar application...
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ftmdpi:oai:mdpi.com:/2077-0472/10/10/471/ 2023-08-20T04:08:05+02:00 Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil Ratnajit Saha Lakshman Galagedara Raymond Thomas Muhammad Nadeem Kelly Hawboldt agris 2020-10-13 application/pdf https://doi.org/10.3390/agriculture10100471 EN eng Multidisciplinary Digital Publishing Institute Agricultural Soils https://dx.doi.org/10.3390/agriculture10100471 https://creativecommons.org/licenses/by/4.0/ Agriculture; Volume 10; Issue 10; Pages: 471 granular biochar powder biochar biochar rates topsoil E-horizon soil mixed soil Text 2020 ftmdpi https://doi.org/10.3390/agriculture10100471 2023-08-01T00:15:48Z Research into biochar, as an amendment to soil, has increased over the last decade. However, there is still much to understand regarding the effects of biochar type and rates on the physicochemical properties of different soil types. This study aimed to investigate the effects of biochar application on the physicochemical properties of podzolic soils. Soil samples were collected from the research site in Pasadena, Newfoundland, Canada. Experimental treatments consisted of three types of soils (topsoil, E-horizon soil and mixed soil (topsoil 2: E-horizon soil 1)), two biochar types (granular and powder) and four biochar application rates (0%, 0.5%, 1% and 2% on a weight basis). Ten physicochemical parameters (bulk density (BD), porosity, field capacity (FC), plant available water (PAW), water repellency (WR), electrical conductivity (EC), pH, cation exchange capacity (CEC), total carbon (TC), and nitrogen (N)) were investigated through a total of 72 experimental units. Biochar morphological structure and pore size distribution were examined using a scanning electron microscope, whereas specific surface area was assessed by the Brunauer−Emmett−Teller method. The result indicated that the E-horizon soil was highly acidic compared to control (topsoil) and mixed soils. A significant difference was observed between the control and 2% biochar amendment in all three soil mixtures tested in this experiment. Biochar amendments significantly reduced the soil BD (E-horizon: 1.40–1.25 > mixed soil: 1.34–1.21 > topsoil: 1.31–1.18 g cm−3), increased the CEC (mixed soil: 2.83–3.61 > topsoil: 2.61–2.70 > E-horizon: 1.40–1.25 cmol kg−1) and total C (topsoil: 2.40–2.41 > mixed soil: 1.74–1.75 > E-horizon: 0.43–0.44%). Water drop penetration tests showed increased WR with increasing biochar doses from 0 to 2% (topsoil: 2.33–4.00 > mixed soil: 2.33–3.33 > E-horizon: 4.00–4.67 s), and all the biochar–soil combinations were classified as slightly-repellent. We found significant effects of biochar application on ... Text Newfoundland MDPI Open Access Publishing Canada Agriculture 10 10 471 |
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granular biochar powder biochar biochar rates topsoil E-horizon soil mixed soil |
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granular biochar powder biochar biochar rates topsoil E-horizon soil mixed soil Ratnajit Saha Lakshman Galagedara Raymond Thomas Muhammad Nadeem Kelly Hawboldt Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
topic_facet |
granular biochar powder biochar biochar rates topsoil E-horizon soil mixed soil |
description |
Research into biochar, as an amendment to soil, has increased over the last decade. However, there is still much to understand regarding the effects of biochar type and rates on the physicochemical properties of different soil types. This study aimed to investigate the effects of biochar application on the physicochemical properties of podzolic soils. Soil samples were collected from the research site in Pasadena, Newfoundland, Canada. Experimental treatments consisted of three types of soils (topsoil, E-horizon soil and mixed soil (topsoil 2: E-horizon soil 1)), two biochar types (granular and powder) and four biochar application rates (0%, 0.5%, 1% and 2% on a weight basis). Ten physicochemical parameters (bulk density (BD), porosity, field capacity (FC), plant available water (PAW), water repellency (WR), electrical conductivity (EC), pH, cation exchange capacity (CEC), total carbon (TC), and nitrogen (N)) were investigated through a total of 72 experimental units. Biochar morphological structure and pore size distribution were examined using a scanning electron microscope, whereas specific surface area was assessed by the Brunauer−Emmett−Teller method. The result indicated that the E-horizon soil was highly acidic compared to control (topsoil) and mixed soils. A significant difference was observed between the control and 2% biochar amendment in all three soil mixtures tested in this experiment. Biochar amendments significantly reduced the soil BD (E-horizon: 1.40–1.25 > mixed soil: 1.34–1.21 > topsoil: 1.31–1.18 g cm−3), increased the CEC (mixed soil: 2.83–3.61 > topsoil: 2.61–2.70 > E-horizon: 1.40–1.25 cmol kg−1) and total C (topsoil: 2.40–2.41 > mixed soil: 1.74–1.75 > E-horizon: 0.43–0.44%). Water drop penetration tests showed increased WR with increasing biochar doses from 0 to 2% (topsoil: 2.33–4.00 > mixed soil: 2.33–3.33 > E-horizon: 4.00–4.67 s), and all the biochar–soil combinations were classified as slightly-repellent. We found significant effects of biochar application on ... |
format |
Text |
author |
Ratnajit Saha Lakshman Galagedara Raymond Thomas Muhammad Nadeem Kelly Hawboldt |
author_facet |
Ratnajit Saha Lakshman Galagedara Raymond Thomas Muhammad Nadeem Kelly Hawboldt |
author_sort |
Ratnajit Saha |
title |
Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
title_short |
Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
title_full |
Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
title_fullStr |
Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
title_full_unstemmed |
Investigating the Influence of Biochar Amendment on the Physicochemical Properties of Podzolic Soil |
title_sort |
investigating the influence of biochar amendment on the physicochemical properties of podzolic soil |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2020 |
url |
https://doi.org/10.3390/agriculture10100471 |
op_coverage |
agris |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Agriculture; Volume 10; Issue 10; Pages: 471 |
op_relation |
Agricultural Soils https://dx.doi.org/10.3390/agriculture10100471 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/agriculture10100471 |
container_title |
Agriculture |
container_volume |
10 |
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10 |
container_start_page |
471 |
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1774720162614738944 |