Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index

Forests around the globe have been converted to agricultural land to meet human demands. The investigation of soil quality index (SQI) as affected by land use change is essential to prevent and control soil degradation mainly in rapidly developing nations. Research on the effects of land-use change...

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Autores principales:	Wuping Huang, Mingming Zong, Zexin Fan, Yuan Feng, Shiyu Li, Changqun Duan, Haixia Li
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Forest soil Land-use change Maize cultivation Minimum data set Soil quality index Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/b1e44a63f9fc40768f43ff3abce66624
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spelling	oai:doaj.org-article:b1e44a63f9fc40768f43ff3abce666242021-12-01T04:48:31ZDetermining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index1470-160X10.1016/j.ecolind.2021.107580https://doaj.org/article/b1e44a63f9fc40768f43ff3abce666242021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21002454https://doaj.org/toc/1470-160XForests around the globe have been converted to agricultural land to meet human demands. The investigation of soil quality index (SQI) as affected by land use change is essential to prevent and control soil degradation mainly in rapidly developing nations. Research on the effects of land-use change on soil quality, especially within deep soil layers, remains lacking despite the prevalence of forest conversion. Here, we selected six paired plots in an intact forest and an adjacent corn field and collected soil samples from 11 layers at depths of 0–140 cm. We then evaluated 16 soil variables for inclusion in a minimum data set and built a SQI from this dataset. Our results indicate that soil organic carbon, total nitrogen, potassium, and free iron are the most important indicators of soil quality in tropical acidic red soils. Deforestation and corn cultivation related to significant decreases in SQI. Of note, SQI decreased to a differing extent among different soil layers, implying that degradation was not constant among layers, despite the fact that tilling typically affects only the top 0–20 cm of soil. The effect of agricultural conversion on soil quality was more pronounced in topsoil soil layers than in the deep layer. The main driver of soil degradation in corn fields was found to be reduced total nitrogen, followed by reduced potassium. Therefore, mitigating or reducing the loss of these nutrients is recommended, possibly through fertilization. We also note that active iron plays an important role in maintaining soil organic carbon concentrations, and thus is critical for maintaining soil quality.Wuping HuangMingming ZongZexin FanYuan FengShiyu LiChangqun DuanHaixia LiElsevierarticleForest soilLand-use changeMaize cultivationMinimum data setSoil quality indexEcologyQH540-549.5ENEcological Indicators, Vol 125, Iss , Pp 107580- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Forest soil Land-use change Maize cultivation Minimum data set Soil quality index Ecology QH540-549.5
spellingShingle	Forest soil Land-use change Maize cultivation Minimum data set Soil quality index Ecology QH540-549.5 Wuping Huang Mingming Zong Zexin Fan Yuan Feng Shiyu Li Changqun Duan Haixia Li Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
description	Forests around the globe have been converted to agricultural land to meet human demands. The investigation of soil quality index (SQI) as affected by land use change is essential to prevent and control soil degradation mainly in rapidly developing nations. Research on the effects of land-use change on soil quality, especially within deep soil layers, remains lacking despite the prevalence of forest conversion. Here, we selected six paired plots in an intact forest and an adjacent corn field and collected soil samples from 11 layers at depths of 0–140 cm. We then evaluated 16 soil variables for inclusion in a minimum data set and built a SQI from this dataset. Our results indicate that soil organic carbon, total nitrogen, potassium, and free iron are the most important indicators of soil quality in tropical acidic red soils. Deforestation and corn cultivation related to significant decreases in SQI. Of note, SQI decreased to a differing extent among different soil layers, implying that degradation was not constant among layers, despite the fact that tilling typically affects only the top 0–20 cm of soil. The effect of agricultural conversion on soil quality was more pronounced in topsoil soil layers than in the deep layer. The main driver of soil degradation in corn fields was found to be reduced total nitrogen, followed by reduced potassium. Therefore, mitigating or reducing the loss of these nutrients is recommended, possibly through fertilization. We also note that active iron plays an important role in maintaining soil organic carbon concentrations, and thus is critical for maintaining soil quality.
format	article
author	Wuping Huang Mingming Zong Zexin Fan Yuan Feng Shiyu Li Changqun Duan Haixia Li
author_facet	Wuping Huang Mingming Zong Zexin Fan Yuan Feng Shiyu Li Changqun Duan Haixia Li
author_sort	Wuping Huang
title	Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
title_short	Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
title_full	Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
title_fullStr	Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
title_full_unstemmed	Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
title_sort	determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/b1e44a63f9fc40768f43ff3abce66624
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Determining the impacts of deforestation and corn cultivation on soil quality in tropical acidic red soils using a soil quality index

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