Soil salinity and nutrients pattern along a distance gradient in coastal region

S Ahmed; I Kayes; S A Shahriar; M M Kabir; M A Salam; Sharif A Mukul

doi:10.22034/gjesm.2020.01.05

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Soil salinity and nutrients pattern along a distance gradient in coastal region

Journal article

Open access

Peer reviewed

Soil salinity and nutrients pattern along a distance gradient in coastal region

S Ahmed, I Kayes, S A Shahriar, M M Kabir, M A Salam and Sharif A Mukul

Global Journal of Environmental Science and Management, Vol.6(1), pp.59-72

2020

DOI: https://doi.org/10.22034/gjesm.2020.01.05

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Abstract

coastal soil

coastal agriculture and land use

interpolation technique

inverse distance weighted (IDW)

salinity

soil nutrients

Soil salinity is considered as one of the major challenges in coastal agriculture in Bangladesh yet geographical extent of soil salinity and nutrients status have received little or no attention. This study investigated the patterns of soil salinity, total nitrogen, phosphorous, potassium and sulfur between agricultural and fallow land along a 90 km distance from the coastline in Noakhali, Bangladesh. Soil samples were collected from three depths (0, 10, and 30cm) in four different locations from coastline towards inland (0, 30, 60, and 90km) following a systematic random sampling. Soil salinity and total nitrogen, phosphorous, potassium and sulfur were analyzed by fitting fixed effect linear models for a full factorial design and then inverse distance weighted interpolation technique was applied to map spatial patterns of selected soil parameters. Highest soil salinity and sulfur were recorded in surface soils at coastline (0 km), whereas least in 90 km far from coastline. Soil depth resulted significant differences in phosphorous, potassium and showed significant interactions among the distant points. This study delineates the soil nutrients patterns and salinity as baseline information to explain salinity driven soil nutrient dynamics in coastal region of Bangladesh.

Details

Title: Soil salinity and nutrients pattern along a distance gradient in coastal region
Authors: S Ahmed (Author) - Noakhali Science and Technology University, Bangladesh
I Kayes (Author) - Noakhali Science and Technology University, Bangladesh
S A Shahriar (Author) - Noakhali Science and Technology University, Bangladesh
M M Kabir (Author) - Noakhali Science and Technology University, Bangladesh
M A Salam (Author) - Noakhali Science and Technology University, Bangladesh
Sharif A Mukul (Author) - University of the Sunshine Coast
Publication details: Global Journal of Environmental Science and Management, Vol.6(1), pp.59-72
Publisher: Iran Solid Waste Association
Date published: 2020
DOI: 10.22034/gjesm.2020.01.05
ISSN: 2383-3572
Copyright note: Copyright © 2020 The author(s). This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, as long as the original authors and source are cited. No permission is required from the authors or the publishers
Organisation Unit: Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450881602621
Output Type: Journal article

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