Cited by 198Soil Carbon and Nitrogen DynamicsAgricultural Science and FertilizationSoil Management and Crop Yield

Restoration of carbon and microbial activity in salt-induced soil by application of peanut shell biochar during short-term incubation study

Bhaduri, Debarati, Saha, Ajoy, Desai, Deepali, Meena, H.N.·2016·Chemosphere

Abstract

For the present study, soil samples of four artificially-induced salinity gradients (S0: control, S1: 2.0, S2: 4.0, S3: 6.0 ECiw) was incubated with fine-textured peanut shell biochar at various ratios (B0: control, B1: 2.5%, B2: 5.0%, B3: 10% w/w) for 30 days. At 1, 3, 7, 15, 30 days of incubation, samples were analyzed for soil carbon and selected enzyme activities. Results showed that biochar could increase soil organic carbon on application of highest rate of biochar addition (B3), hence potentially restored the saline soils by less C mineralization, and more sequestration of soil C. However, soil enzyme activities were biochar rate(s), day(s) of incubation and enzyme dependent. The lowest rate of biochar addition (B1) showed highest dehydrogenase (20.5 μg TPF g(-1) soil h(-1)), acid phosphatase (29.1 μg PNP g(-1) soil h(-1)) and alkaline phosphatase (16.1 μg PNP g(-1) soil h(-1)) whereas the higher rate (B2) increased the urease (5.51 μg urea-N g(-1) soil h(-1)) and fluorescein diacetate hydrolyzing activities (3.95 μg fluorescein g(-1) OD soil h(-1)) in soil. All the positive changes persisted at higher levels of salinity (S2, S3) suggesting biochar-amended soil may be potential for better nutrient cycling. Soil enzymes were found to be correlated with soil carbon and with each other while principal component analysis (PCA) extracted the most sensitive parameters as the acid and alkaline phosphatases and urease activities in the present experimental condition. This is the first time report of examining soil microbial environment using peanut shell biochar under a degraded (saline) soil.

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Crossref · 10.1016/j.chemosphere.2015.12.130

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Authors
Bhaduri, D., Saha, A., Desai, D., & Meena, H. N.
Affiliations
Directorate of Groundnut Research (IN)
Corresponding author
Bhaduri, Debarati
Venue
Chemosphere
Publisher
Elsevier BV
Published
2016-04
Volume
148
Pages
86-98
ISSN
0045-6535 (ISSN-L)
OpenAlex
W2252922373
Cited by
198
References
70
Citations by year
2026: 10 · 2025: 16 · 2024: 34 · 2023: 29 · 2022: 30 · 2021: 16 · 2020: 20 · 2019: 11 · 2018: 15 · 2017: 10 · 2016: 6
FWCI
16.36
Type
journal article
Language
en
Open access
closed
Locations
  • Chemosphere (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
Keywords
peanut shell biochar, saline soils, soil salinity, soil organic carbon, soil carbon sequestration, soil enzyme activity, dehydrogenase, acid phosphatase, alkaline phosphatase, urease, fluorescein diacetate hydrolysis, soil carbon mineralization, soil microbial activity, biochar amendment, nutrient cycling
MeSH terms
Carbon Dioxide, Charcoal, Models, Theoretical, Oxidoreductases, Arachis, Phosphoric Monoester Hydrolases, Soil, Soil Microbiology, Urease, Environmental Restoration and Remediation, Salinity

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