Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production

As and Cd in soil can be assimilated and accumulated by vegetables and can be subsequently ingested by humans. Contradictory effects of organic fertilizer application on As and Cd accumulation in soil have been reported in previous studies. An eight-year greenhouse study was conducted on a sandy loa...

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Autores principales:	Na Sun, Rodney B. Thompson, Junxiang Xu, Shangqiang Liao, Linna Suo, Yutao Peng, Qing Chen, Jungang Yang, Yanmei Li, Guoyuan Zou, Yanxin Sun
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	trace element contamination soil organic carbon soil nutrients pak choi Agriculture S
Acceso en línea:	https://doaj.org/article/9a7d4af72b224b9ebd3be8fed7f9e2a6
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spelling	oai:doaj.org-article:9a7d4af72b224b9ebd3be8fed7f9e2a62021-11-25T16:09:45ZArsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production10.3390/agronomy111122722073-4395https://doaj.org/article/9a7d4af72b224b9ebd3be8fed7f9e2a62021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2272https://doaj.org/toc/2073-4395As and Cd in soil can be assimilated and accumulated by vegetables and can be subsequently ingested by humans. Contradictory effects of organic fertilizer application on As and Cd accumulation in soil have been reported in previous studies. An eight-year greenhouse study was conducted on a sandy loam soil in Beijing, China to investigate the effects of organic fertilizer application rate on soil properties, and As and Cd accumulation in soil. The contamination risk of pak choi grown after eight years’ application of organic fertilizer was also evaluated. Soil organic carbon increased 3.0–3.8 times with low, medium and high rates of fertilizer application in 2018 compared to the initial soil. Organic fertilizer application significantly increased soil nutrients and microbial biomass while it mildly affected soil pH. The bioavailability of As/Cd has decreased after eight years’ application of organic fertilizer. Pak choi crop harvested from all three treatments in 2018 did not pose a threat to human health, even for life-time consumption. Soil total As content significantly decreased with organic fertilizer application, mainly due to the lower As content in the applied fertilizer than that in soil. Continuous application of clean organic fertilizer can be adopted to reduce the contamination risk of highly contaminated soil in the soil–plant system.Na SunRodney B. ThompsonJunxiang XuShangqiang LiaoLinna SuoYutao PengQing ChenJungang YangYanmei LiGuoyuan ZouYanxin SunMDPI AGarticletrace element contaminationsoil organic carbonsoil nutrientspak choiAgricultureSENAgronomy, Vol 11, Iss 2272, p 2272 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	trace element contamination soil organic carbon soil nutrients pak choi Agriculture S
spellingShingle	trace element contamination soil organic carbon soil nutrients pak choi Agriculture S Na Sun Rodney B. Thompson Junxiang Xu Shangqiang Liao Linna Suo Yutao Peng Qing Chen Jungang Yang Yanmei Li Guoyuan Zou Yanxin Sun Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
description	As and Cd in soil can be assimilated and accumulated by vegetables and can be subsequently ingested by humans. Contradictory effects of organic fertilizer application on As and Cd accumulation in soil have been reported in previous studies. An eight-year greenhouse study was conducted on a sandy loam soil in Beijing, China to investigate the effects of organic fertilizer application rate on soil properties, and As and Cd accumulation in soil. The contamination risk of pak choi grown after eight years’ application of organic fertilizer was also evaluated. Soil organic carbon increased 3.0–3.8 times with low, medium and high rates of fertilizer application in 2018 compared to the initial soil. Organic fertilizer application significantly increased soil nutrients and microbial biomass while it mildly affected soil pH. The bioavailability of As/Cd has decreased after eight years’ application of organic fertilizer. Pak choi crop harvested from all three treatments in 2018 did not pose a threat to human health, even for life-time consumption. Soil total As content significantly decreased with organic fertilizer application, mainly due to the lower As content in the applied fertilizer than that in soil. Continuous application of clean organic fertilizer can be adopted to reduce the contamination risk of highly contaminated soil in the soil–plant system.
format	article
author	Na Sun Rodney B. Thompson Junxiang Xu Shangqiang Liao Linna Suo Yutao Peng Qing Chen Jungang Yang Yanmei Li Guoyuan Zou Yanxin Sun
author_facet	Na Sun Rodney B. Thompson Junxiang Xu Shangqiang Liao Linna Suo Yutao Peng Qing Chen Jungang Yang Yanmei Li Guoyuan Zou Yanxin Sun
author_sort	Na Sun
title	Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
title_short	Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
title_full	Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
title_fullStr	Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
title_full_unstemmed	Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production
title_sort	arsenic and cadmium accumulation in soil as affected by continuous organic fertilizer application: implications for clean production
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9a7d4af72b224b9ebd3be8fed7f9e2a6
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Arsenic and Cadmium Accumulation in Soil as Affected by Continuous Organic Fertilizer Application: Implications for Clean Production

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