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http://krishi.icar.gov.in/jspui/handle/123456789/15689
Title: | Interlinked chemical-biological processes in anoxic waterlogged soil – A review |
Other Titles: | Not Available |
Authors: | DEBARATI BHADURI, ASIT MANDAL, KOUSHIK CHAKRABORTY, DIBYENDU CHATTERJEE and RINKU DEY5 |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR-Directorate of Groundnut Research |
Published/ Complete Date: | 2017-12-01 |
Project Code: | Not Available |
Keywords: | Anaerobic soil, C-N transformations, Microorganisms, Nutrient cycling, Soil organic matter, Waterlogging |
Publisher: | Indian Journal of Agricultural Sciences |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Wetland soils are predominantly oxygen-free includes swamps, marshes, coastal wetlands, floodplains, etc. and globally important for rice cultivation. The chemical changes happen due to changing electrochemical properties and also by anaerobic microorganisms. Anaerobic microorganisms play a key role in bringing about nutrient transformations with a general trend of increase in soil pH, electrical conductivity, and ionic strength but decrease in redox potential in waterlogged soils. The biogeochemical cycling of nutrients (C, N, P, S) by facultative and obligate anaerobes help to sustain life in submerged conditions. Under flooded conditions the availability of P, Ca, Mg, Fe, Mn, Mo, and Si increases while that of S, Zn and Cu decreases. Moreover, fermentative bacteria decompose organic matter into CO2, H2, acetate, propionate, butyrate, fatty acids, amino acids, alcohols, etc. with a terminal step of methane formation by methanogens. Anaerobic soils are thus important for maintaining fertility, ecosystem productivity, and functions. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Indian Journal of Agricultural Sciences |
NAAS Rating: | 6.21 |
Volume No.: | 87(12) |
Page Number: | 1587-1599 |
Name of the Division/Regional Station: | Crop science |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/15689 |
Appears in Collections: | CS-DGR-Publication |
Files in This Item:
File | Description | Size | Format | |
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Bhaduri et al. IJAS Dec 2017.pdf | 633.42 kB | Adobe PDF | View/Open |
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