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Does biochar influence soil physical properties and soil water availability?

Aims This study aims to (i) determine the effects of incorporating 47 Mg ha⁻¹ acacia green waste biochar on soil physical properties and water relations, and (ii) to explore the different mechanisms by which biochar influences soil porosity. Methods The pore size distribution of the biochar was dete... Full description

Journal Title: Plant and soil 2014-03-01, Vol.376 (1/2), p.347-361
Main Author: Hardie, Marcus
Other Authors: Clothier, Brent , Bound, Sally , Oliver, Garth , Close, Dugald
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Cham: Springer
ID: ISSN: 0032-079X
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28615491
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recordid: cdi_proquest_journals_1500909019
title: Does biochar influence soil physical properties and soil water availability?
format: Article
creator:
  • Hardie, Marcus
  • Clothier, Brent
  • Bound, Sally
  • Oliver, Garth
  • Close, Dugald
subjects:
  • Acacia
  • Aggregate stability
  • Agricultural research
  • Agrology
  • Agronomy. Soil science and plant productions
  • Animal, plant and microbial ecology
  • Bioavailability
  • Biochar
  • Biological and medical sciences
  • Biomedical and Life Sciences
  • Clay soils
  • Ecology
  • Environmental aspects
  • Flowers & plants
  • Fundamental and applied biological sciences. Psychology
  • General agronomy. Plant production
  • Life Sciences
  • Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
  • Physical properties
  • Physics, chemistry, biochemistry and biology of agricultural and forest soils
  • Plant Physiology
  • Plant Sciences
  • Plant-soil relationships
  • Plant-water relationships
  • Porosity
  • Regular Article
  • Soil hydraulic properties
  • Soil moisture
  • Soil pore water
  • Soil science
  • Soil Science & Conservation
  • Soil water
  • Soil water content
  • Soil-plant relationships. Soil fertility
  • Soil-plant relationships. Soil fertility. Fertilization. Amendments
  • Soils
  • Water
  • Water and solute dynamics
ispartof: Plant and soil, 2014-03-01, Vol.376 (1/2), p.347-361
description: Aims This study aims to (i) determine the effects of incorporating 47 Mg ha⁻¹ acacia green waste biochar on soil physical properties and water relations, and (ii) to explore the different mechanisms by which biochar influences soil porosity. Methods The pore size distribution of the biochar was determined by scanning electron microscope and mercury porosimetry. Soil physical properties and water relations were determined by in situ tension infiltrometers, desorption and evaporative flux on intact cores, pressure chamber analysis at -1,500 kPa, and wet aggregate sieving. Results Thirty months after incorporation, biochar application had no significant effect on soil moisture content, drainable porosity between -1.0 and -10 kPa, field capacity, plant available water capacity, the van Genuchten soil water retention parameters, aggregate stability, nor the permanent wilting point. However, the biochar-amended soil had significantly higher nearsaturated hydraulic conductivity, soil water content at -0.1 kPa, and significantly lower bulk density than the unamended control. Differences were attributed to the formation of large macropores (>1,200 μm) resulting from greater earthworm burrowing in the biocharamended soil. Conclusion We found no evidence to suggest application of biochar influenced soil porosity by either direct pore contribution, creation of accommodation pores, or improved aggregate stability.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titleDoes biochar influence soil physical properties and soil water availability?
creatorHardie, Marcus ; Clothier, Brent ; Bound, Sally ; Oliver, Garth ; Close, Dugald
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descriptionAims This study aims to (i) determine the effects of incorporating 47 Mg ha⁻¹ acacia green waste biochar on soil physical properties and water relations, and (ii) to explore the different mechanisms by which biochar influences soil porosity. Methods The pore size distribution of the biochar was determined by scanning electron microscope and mercury porosimetry. Soil physical properties and water relations were determined by in situ tension infiltrometers, desorption and evaporative flux on intact cores, pressure chamber analysis at -1,500 kPa, and wet aggregate sieving. Results Thirty months after incorporation, biochar application had no significant effect on soil moisture content, drainable porosity between -1.0 and -10 kPa, field capacity, plant available water capacity, the van Genuchten soil water retention parameters, aggregate stability, nor the permanent wilting point. However, the biochar-amended soil had significantly higher nearsaturated hydraulic conductivity, soil water content at -0.1 kPa, and significantly lower bulk density than the unamended control. Differences were attributed to the formation of large macropores (>1,200 μm) resulting from greater earthworm burrowing in the biocharamended soil. Conclusion We found no evidence to suggest application of biochar influenced soil porosity by either direct pore contribution, creation of accommodation pores, or improved aggregate stability.
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languageeng
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subjectAcacia ; Aggregate stability ; Agricultural research ; Agrology ; Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Bioavailability ; Biochar ; Biological and medical sciences ; Biomedical and Life Sciences ; Clay soils ; Ecology ; Environmental aspects ; Flowers & plants ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Life Sciences ; Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries ; Physical properties ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Plant Physiology ; Plant Sciences ; Plant-soil relationships ; Plant-water relationships ; Porosity ; Regular Article ; Soil hydraulic properties ; Soil moisture ; Soil pore water ; Soil science ; Soil Science & Conservation ; Soil water ; Soil water content ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Soils ; Water ; Water and solute dynamics
ispartofPlant and soil, 2014-03-01, Vol.376 (1/2), p.347-361
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descriptionAims This study aims to (i) determine the effects of incorporating 47 Mg ha⁻¹ acacia green waste biochar on soil physical properties and water relations, and (ii) to explore the different mechanisms by which biochar influences soil porosity. Methods The pore size distribution of the biochar was determined by scanning electron microscope and mercury porosimetry. Soil physical properties and water relations were determined by in situ tension infiltrometers, desorption and evaporative flux on intact cores, pressure chamber analysis at -1,500 kPa, and wet aggregate sieving. Results Thirty months after incorporation, biochar application had no significant effect on soil moisture content, drainable porosity between -1.0 and -10 kPa, field capacity, plant available water capacity, the van Genuchten soil water retention parameters, aggregate stability, nor the permanent wilting point. However, the biochar-amended soil had significantly higher nearsaturated hydraulic conductivity, soil water content at -0.1 kPa, and significantly lower bulk density than the unamended control. Differences were attributed to the formation of large macropores (>1,200 μm) resulting from greater earthworm burrowing in the biocharamended soil. Conclusion We found no evidence to suggest application of biochar influenced soil porosity by either direct pore contribution, creation of accommodation pores, or improved aggregate stability.
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0Acacia
1Aggregate stability
2Agricultural research
3Agrology
4Agronomy. Soil science and plant productions
5Animal, plant and microbial ecology
6Bioavailability
7Biochar
8Biological and medical sciences
9Biomedical and Life Sciences
10Clay soils
11Ecology
12Environmental aspects
13Flowers & plants
14Fundamental and applied biological sciences. Psychology
15General agronomy. Plant production
16Life Sciences
17Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
18Physical properties
19Physics, chemistry, biochemistry and biology of agricultural and forest soils
20Plant Physiology
21Plant Sciences
22Plant-soil relationships
23Plant-water relationships
24Porosity
25Regular Article
26Soil hydraulic properties
27Soil moisture
28Soil pore water
29Soil science
30Soil Science & Conservation
31Soil water
32Soil water content
33Soil-plant relationships. Soil fertility
34Soil-plant relationships. Soil fertility. Fertilization. Amendments
35Soils
36Water
37Water and solute dynamics
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titleDoes biochar influence soil physical properties and soil water availability?
authorHardie, Marcus ; Clothier, Brent ; Bound, Sally ; Oliver, Garth ; Close, Dugald
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1Aggregate stability
2Agricultural research
3Agrology
4Agronomy. Soil science and plant productions
5Animal, plant and microbial ecology
6Bioavailability
7Biochar
8Biological and medical sciences
9Biomedical and Life Sciences
10Clay soils
11Ecology
12Environmental aspects
13Flowers & plants
14Fundamental and applied biological sciences. Psychology
15General agronomy. Plant production
16Life Sciences
17Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
18Physical properties
19Physics, chemistry, biochemistry and biology of agricultural and forest soils
20Plant Physiology
21Plant Sciences
22Plant-soil relationships
23Plant-water relationships
24Porosity
25Regular Article
26Soil hydraulic properties
27Soil moisture
28Soil pore water
29Soil science
30Soil Science & Conservation
31Soil water
32Soil water content
33Soil-plant relationships. Soil fertility
34Soil-plant relationships. Soil fertility. Fertilization. Amendments
35Soils
36Water
37Water and solute dynamics
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abstractAims This study aims to (i) determine the effects of incorporating 47 Mg ha⁻¹ acacia green waste biochar on soil physical properties and water relations, and (ii) to explore the different mechanisms by which biochar influences soil porosity. Methods The pore size distribution of the biochar was determined by scanning electron microscope and mercury porosimetry. Soil physical properties and water relations were determined by in situ tension infiltrometers, desorption and evaporative flux on intact cores, pressure chamber analysis at -1,500 kPa, and wet aggregate sieving. Results Thirty months after incorporation, biochar application had no significant effect on soil moisture content, drainable porosity between -1.0 and -10 kPa, field capacity, plant available water capacity, the van Genuchten soil water retention parameters, aggregate stability, nor the permanent wilting point. However, the biochar-amended soil had significantly higher nearsaturated hydraulic conductivity, soil water content at -0.1 kPa, and significantly lower bulk density than the unamended control. Differences were attributed to the formation of large macropores (>1,200 μm) resulting from greater earthworm burrowing in the biocharamended soil. Conclusion We found no evidence to suggest application of biochar influenced soil porosity by either direct pore contribution, creation of accommodation pores, or improved aggregate stability.
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doi10.1007/s11104-013-1980-x