Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.

The understanding of the spatial variation of soil chemical properties is critical in agriculture and the environment. To assess the spatial variability of soil chemical properties in the Fogera plain, Ethiopia, we used Inverse Distance Weighting (IDW), pair-wise comparisons, descriptive analysis, a...

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Autores principales:	Gizachew Ayalew Tiruneh, Tiringo Yilak Alemayehu, Derege Tsegaye Meshesha, Eduardo Saldanha Vogelmann, José Miguel Reichert, Nigussie Haregeweyn
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/86884abef33749a183ec1fbf885dd529
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spelling	oai:doaj.org-article:86884abef33749a183ec1fbf885dd5292021-12-02T20:10:11ZSpatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.1932-620310.1371/journal.pone.0253156https://doaj.org/article/86884abef33749a183ec1fbf885dd5292021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253156https://doaj.org/toc/1932-6203The understanding of the spatial variation of soil chemical properties is critical in agriculture and the environment. To assess the spatial variability of soil chemical properties in the Fogera plain, Ethiopia, we used Inverse Distance Weighting (IDW), pair-wise comparisons, descriptive analysis, and principal component analysis (PCA). In 2019, soil samples were collected at topsoil (a soil depth of 0-20 cm) from three representative land-uses (cropland, plantation forestland, and grazing lands) using a grid-sampling design. The variance analysis for soil pH, available phosphorus (avP), organic carbon (OC), total nitrogen (TN), electrical conductivity (EC), exchangeable potassium (exchK), exchangeable calcium (exchCa), and cation exchange capacity (CEC) revealed significant differences among the land-uses. The highest mean values of pH (8.9), avP (32.99 ppm), OC (4.82%), TN (0.39%), EC (2.28 dS m-1), and exchK (2.89 cmol (+) kg-1) were determined under grazing land. The lowest pH (6.2), OC (2.3%), TN (0.15%), and EC (0.11 dS m-1) were recorded in cultivated land. The PCA result revealed that the land-use change was responsible for most soil chemical properties, accounting for 93.32%. Soil maps can help identify the nutrient status, update management options, and increase productivity and profit. The expansion of cultivated lands resulted in a significant decrease in soil organic matter. Thus, soil management strategies should be tailored to replenish the soil nutrient content while maintaining agricultural productivity in the Fogera plain.Gizachew Ayalew TirunehTiringo Yilak AlemayehuDerege Tsegaye MesheshaEduardo Saldanha VogelmannJosé Miguel ReichertNigussie HaregeweynPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0253156 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gizachew Ayalew Tiruneh Tiringo Yilak Alemayehu Derege Tsegaye Meshesha Eduardo Saldanha Vogelmann José Miguel Reichert Nigussie Haregeweyn Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
description	The understanding of the spatial variation of soil chemical properties is critical in agriculture and the environment. To assess the spatial variability of soil chemical properties in the Fogera plain, Ethiopia, we used Inverse Distance Weighting (IDW), pair-wise comparisons, descriptive analysis, and principal component analysis (PCA). In 2019, soil samples were collected at topsoil (a soil depth of 0-20 cm) from three representative land-uses (cropland, plantation forestland, and grazing lands) using a grid-sampling design. The variance analysis for soil pH, available phosphorus (avP), organic carbon (OC), total nitrogen (TN), electrical conductivity (EC), exchangeable potassium (exchK), exchangeable calcium (exchCa), and cation exchange capacity (CEC) revealed significant differences among the land-uses. The highest mean values of pH (8.9), avP (32.99 ppm), OC (4.82%), TN (0.39%), EC (2.28 dS m-1), and exchK (2.89 cmol (+) kg-1) were determined under grazing land. The lowest pH (6.2), OC (2.3%), TN (0.15%), and EC (0.11 dS m-1) were recorded in cultivated land. The PCA result revealed that the land-use change was responsible for most soil chemical properties, accounting for 93.32%. Soil maps can help identify the nutrient status, update management options, and increase productivity and profit. The expansion of cultivated lands resulted in a significant decrease in soil organic matter. Thus, soil management strategies should be tailored to replenish the soil nutrient content while maintaining agricultural productivity in the Fogera plain.
format	article
author	Gizachew Ayalew Tiruneh Tiringo Yilak Alemayehu Derege Tsegaye Meshesha Eduardo Saldanha Vogelmann José Miguel Reichert Nigussie Haregeweyn
author_facet	Gizachew Ayalew Tiruneh Tiringo Yilak Alemayehu Derege Tsegaye Meshesha Eduardo Saldanha Vogelmann José Miguel Reichert Nigussie Haregeweyn
author_sort	Gizachew Ayalew Tiruneh
title	Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
title_short	Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
title_full	Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
title_fullStr	Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
title_full_unstemmed	Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.
title_sort	spatial variability of soil chemical properties under different land-uses in northwest ethiopia.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/86884abef33749a183ec1fbf885dd529
work_keys_str_mv	AT gizachewayalewtiruneh spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia AT tiringoyilakalemayehu spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia AT deregetsegayemeshesha spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia AT eduardosaldanhavogelmann spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia AT josemiguelreichert spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia AT nigussieharegeweyn spatialvariabilityofsoilchemicalpropertiesunderdifferentlandusesinnorthwestethiopia
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Spatial variability of soil chemical properties under different land-uses in Northwest Ethiopia.

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