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Decreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil

Background and Aims Biochar has been shown to aid soil fertility and crop production in some circumstances. We investigated effects of the addition of Jarrah (Eucalyptus marginata) biochar to a coarse textured soil on soil carbon and nitrogen dynamics. Methods Wheat was grown for 10 weeks, in soil t... Full description

Journal Title: Plant and soil 2012-01-01, Vol.354 (1-2), p.311-324
Main Author: Dempster, D. N
Other Authors: Gleeson, D. B , Solaiman, Z. M , Jones, D. L , Murphy, D. V
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Springer
ID: ISSN: 0032-079X
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25844851
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recordid: cdi_gale_infotracacademiconefile_A362168369
title: Decreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil
format: Article
creator:
  • Dempster, D. N
  • Gleeson, D. B
  • Solaiman, Z. M
  • Jones, D. L
  • Murphy, D. V
subjects:
  • Acid soils
  • Agricultural soils
  • Agrology
  • Agronomy. Soil science and plant productions
  • Ammonia
  • Animal, plant and microbial ecology
  • Biochar
  • Biochemistry and biology
  • Biogeochemistry
  • Biological and medical sciences
  • Biomass
  • Biomedical and Life Sciences
  • Carbon
  • Carbon content
  • Carbon dioxide
  • Chemical, physicochemical, biochemical and biological properties
  • Community structure
  • Crop production
  • Decomposition
  • Ecology
  • Eucalyptus
  • Eucalyptus marginata
  • Evolution
  • Forest soils
  • Fundamental and applied biological sciences. Psychology
  • General agronomy. Plant production
  • Life Sciences
  • Microbial activity
  • Microbial biomass
  • Microbiology
  • Mineralization
  • Nitrogen
  • Organic matter
  • Organic soils
  • Physics, chemistry, biochemistry and biology of agricultural and forest soils
  • Physiological aspects
  • Plant communities
  • Plant Physiology
  • Plant Sciences
  • Regular Article
  • Soil
  • Soil biochemistry
  • Soil fertility
  • Soil microorganisms
  • Soil pore systems
  • Soil science
  • Soil Science & Conservation
  • Soil-plant relationships. Soil fertility
  • Soil-plant relationships. Soil fertility. Fertilization. Amendments
  • Soils
  • Soils (organic)
  • Sorption
  • Triticum aestivum
ispartof: Plant and soil, 2012-01-01, Vol.354 (1-2), p.311-324
description: Background and Aims Biochar has been shown to aid soil fertility and crop production in some circumstances. We investigated effects of the addition of Jarrah (Eucalyptus marginata) biochar to a coarse textured soil on soil carbon and nitrogen dynamics. Methods Wheat was grown for 10 weeks, in soil treated with biochar (0, 5, or 25 t ha−1) in full factorial combination with nitrogen (N) treatments (organic N, inorganic N, or control). Samples were analysed for plant biomass, soil microbial biomass carbon (MBC) and nitrogen (MBN), N mineralisation, CO2 evolution, community level physiological profiles (CLPP) and ammonia oxidising bacterial community structure. Results MBC significantly decreased with biochar addition while MBN was unaltered. Net N mineralisation was highest in control soil and significantly decreased with increasing addition of biochar. These findings could not be attributed to sorption of inorganic N to biochar. CO2 evolution decreased with 5 t ha−1 biochar but not 25 t ha−1. Biochar addition at 25 t ha−1 changed the CLPP, while the ammonia oxidising bacterial community structure changed only when biochar was added with a N source. Conclusion We conclude that the activity of the microbial community decreased in the presence of biochar, through decreased soil organic matter decomposition and N mineralisation which may have been caused by the decreased MBC.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titleDecreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil
creatorDempster, D. N ; Gleeson, D. B ; Solaiman, Z. M ; Jones, D. L ; Murphy, D. V
creatorcontribDempster, D. N ; Gleeson, D. B ; Solaiman, Z. M ; Jones, D. L ; Murphy, D. V
descriptionBackground and Aims Biochar has been shown to aid soil fertility and crop production in some circumstances. We investigated effects of the addition of Jarrah (Eucalyptus marginata) biochar to a coarse textured soil on soil carbon and nitrogen dynamics. Methods Wheat was grown for 10 weeks, in soil treated with biochar (0, 5, or 25 t ha−1) in full factorial combination with nitrogen (N) treatments (organic N, inorganic N, or control). Samples were analysed for plant biomass, soil microbial biomass carbon (MBC) and nitrogen (MBN), N mineralisation, CO2 evolution, community level physiological profiles (CLPP) and ammonia oxidising bacterial community structure. Results MBC significantly decreased with biochar addition while MBN was unaltered. Net N mineralisation was highest in control soil and significantly decreased with increasing addition of biochar. These findings could not be attributed to sorption of inorganic N to biochar. CO2 evolution decreased with 5 t ha−1 biochar but not 25 t ha−1. Biochar addition at 25 t ha−1 changed the CLPP, while the ammonia oxidising bacterial community structure changed only when biochar was added with a N source. Conclusion We conclude that the activity of the microbial community decreased in the presence of biochar, through decreased soil organic matter decomposition and N mineralisation which may have been caused by the decreased MBC.
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subjectAcid soils ; Agricultural soils ; Agrology ; Agronomy. Soil science and plant productions ; Ammonia ; Animal, plant and microbial ecology ; Biochar ; Biochemistry and biology ; Biogeochemistry ; Biological and medical sciences ; Biomass ; Biomedical and Life Sciences ; Carbon ; Carbon content ; Carbon dioxide ; Chemical, physicochemical, biochemical and biological properties ; Community structure ; Crop production ; Decomposition ; Ecology ; Eucalyptus ; Eucalyptus marginata ; Evolution ; Forest soils ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Life Sciences ; Microbial activity ; Microbial biomass ; Microbiology ; Mineralization ; Nitrogen ; Organic matter ; Organic soils ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Physiological aspects ; Plant communities ; Plant Physiology ; Plant Sciences ; Regular Article ; Soil ; Soil biochemistry ; Soil fertility ; Soil microorganisms ; Soil pore systems ; Soil science ; Soil Science & Conservation ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Soils ; Soils (organic) ; Sorption ; Triticum aestivum
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descriptionBackground and Aims Biochar has been shown to aid soil fertility and crop production in some circumstances. We investigated effects of the addition of Jarrah (Eucalyptus marginata) biochar to a coarse textured soil on soil carbon and nitrogen dynamics. Methods Wheat was grown for 10 weeks, in soil treated with biochar (0, 5, or 25 t ha−1) in full factorial combination with nitrogen (N) treatments (organic N, inorganic N, or control). Samples were analysed for plant biomass, soil microbial biomass carbon (MBC) and nitrogen (MBN), N mineralisation, CO2 evolution, community level physiological profiles (CLPP) and ammonia oxidising bacterial community structure. Results MBC significantly decreased with biochar addition while MBN was unaltered. Net N mineralisation was highest in control soil and significantly decreased with increasing addition of biochar. These findings could not be attributed to sorption of inorganic N to biochar. CO2 evolution decreased with 5 t ha−1 biochar but not 25 t ha−1. Biochar addition at 25 t ha−1 changed the CLPP, while the ammonia oxidising bacterial community structure changed only when biochar was added with a N source. Conclusion We conclude that the activity of the microbial community decreased in the presence of biochar, through decreased soil organic matter decomposition and N mineralisation which may have been caused by the decreased MBC.
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0Acid soils
1Agricultural soils
2Agrology
3Agronomy. Soil science and plant productions
4Ammonia
5Animal, plant and microbial ecology
6Biochar
7Biochemistry and biology
8Biogeochemistry
9Biological and medical sciences
10Biomass
11Biomedical and Life Sciences
12Carbon
13Carbon content
14Carbon dioxide
15Chemical, physicochemical, biochemical and biological properties
16Community structure
17Crop production
18Decomposition
19Ecology
20Eucalyptus
21Eucalyptus marginata
22Evolution
23Forest soils
24Fundamental and applied biological sciences. Psychology
25General agronomy. Plant production
26Life Sciences
27Microbial activity
28Microbial biomass
29Microbiology
30Mineralization
31Nitrogen
32Organic matter
33Organic soils
34Physics, chemistry, biochemistry and biology of agricultural and forest soils
35Physiological aspects
36Plant communities
37Plant Physiology
38Plant Sciences
39Regular Article
40Soil
41Soil biochemistry
42Soil fertility
43Soil microorganisms
44Soil pore systems
45Soil science
46Soil Science & Conservation
47Soil-plant relationships. Soil fertility
48Soil-plant relationships. Soil fertility. Fertilization. Amendments
49Soils
50Soils (organic)
51Sorption
52Triticum aestivum
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titleDecreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil
authorDempster, D. N ; Gleeson, D. B ; Solaiman, Z. M ; Jones, D. L ; Murphy, D. V
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0Acid soils
1Agricultural soils
2Agrology
3Agronomy. Soil science and plant productions
4Ammonia
5Animal, plant and microbial ecology
6Biochar
7Biochemistry and biology
8Biogeochemistry
9Biological and medical sciences
10Biomass
11Biomedical and Life Sciences
12Carbon
13Carbon content
14Carbon dioxide
15Chemical, physicochemical, biochemical and biological properties
16Community structure
17Crop production
18Decomposition
19Ecology
20Eucalyptus
21Eucalyptus marginata
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23Forest soils
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1Gleeson, D. B
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atitleDecreased soil microbial biomass and nitrogen mineralisation with Eucalyptus biochar addition to a coarse textured soil
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date2012-01-01
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volume354
issue1-2
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abstractBackground and Aims Biochar has been shown to aid soil fertility and crop production in some circumstances. We investigated effects of the addition of Jarrah (Eucalyptus marginata) biochar to a coarse textured soil on soil carbon and nitrogen dynamics. Methods Wheat was grown for 10 weeks, in soil treated with biochar (0, 5, or 25 t ha−1) in full factorial combination with nitrogen (N) treatments (organic N, inorganic N, or control). Samples were analysed for plant biomass, soil microbial biomass carbon (MBC) and nitrogen (MBN), N mineralisation, CO2 evolution, community level physiological profiles (CLPP) and ammonia oxidising bacterial community structure. Results MBC significantly decreased with biochar addition while MBN was unaltered. Net N mineralisation was highest in control soil and significantly decreased with increasing addition of biochar. These findings could not be attributed to sorption of inorganic N to biochar. CO2 evolution decreased with 5 t ha−1 biochar but not 25 t ha−1. Biochar addition at 25 t ha−1 changed the CLPP, while the ammonia oxidising bacterial community structure changed only when biochar was added with a N source. Conclusion We conclude that the activity of the microbial community decreased in the presence of biochar, through decreased soil organic matter decomposition and N mineralisation which may have been caused by the decreased MBC.
copDordrecht
pubSpringer
doi10.1007/s11104-011-1067-5