Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment

Repeated soil amendment with industrial waste can affect the accumulation of chemical elements, mainly heavy metals, in plants. We therefore evaluated the accumulation of Cr, Cd, Ni, and Pb in cowpea (Vigna unguiculata [L.] Walp.) shoots and grains in soil amended for three consecu...

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Autores principales:	Marçal Silva,Maria Doroteia, Ferreira Araújo,Ademir Sérgio, Pinheiro Leal Nunes,Luís Alfredo, de Melo,Wanderley José, Pratap Singh,Rajeev
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2013
Materias:	Organic residues trace elements Vigna unguiculata
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000300011
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spelling	oai:scielo:S0718-583920130003000112018-10-02Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendmentMarçal Silva,Maria DoroteiaFerreira Araújo,Ademir SérgioPinheiro Leal Nunes,Luís Alfredode Melo,Wanderley JoséPratap Singh,Rajeev Organic residues trace elements Vigna unguiculata Repeated soil amendment with industrial waste can affect the accumulation of chemical elements, mainly heavy metals, in plants. We therefore evaluated the accumulation of Cr, Cd, Ni, and Pb in cowpea (Vigna unguiculata [L.] Walp.) shoots and grains in soil amended for three consecutive years with tannery sludge compost (TSC). Tannery sludge compost was applied annually starting in 2009 at 0, 2.5, 5, 10, and 20 t ha-1 and cowpea was sown. At 40 and 60 d after cowpea sowing, the accumulation of Cr, Cd, Pb, and Ni was evaluated in the shoots and grains, respectively. The experiment used completely randomized design with four replicates and data were subjected to ANOVA and F-test (5%). Only Cr accumulation was significant (P < 0.05) in the cowpea shoots after 3 yr of TSC amendment; accumulation increased as TSC rates were applied. However, there was no significant Cr, Cd, Ni, and Pb accumulation in grains. After 3 yr of consecutive TSC soil amendments, Cr accumulated in the shoots, but it was not translocated to the grains.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.73 n.3 20132013-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000300011en10.4067/S0718-58392013000300011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Organic residues trace elements Vigna unguiculata
spellingShingle	Organic residues trace elements Vigna unguiculata Marçal Silva,Maria Doroteia Ferreira Araújo,Ademir Sérgio Pinheiro Leal Nunes,Luís Alfredo de Melo,Wanderley José Pratap Singh,Rajeev Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
description	Repeated soil amendment with industrial waste can affect the accumulation of chemical elements, mainly heavy metals, in plants. We therefore evaluated the accumulation of Cr, Cd, Ni, and Pb in cowpea (Vigna unguiculata [L.] Walp.) shoots and grains in soil amended for three consecutive years with tannery sludge compost (TSC). Tannery sludge compost was applied annually starting in 2009 at 0, 2.5, 5, 10, and 20 t ha-1 and cowpea was sown. At 40 and 60 d after cowpea sowing, the accumulation of Cr, Cd, Pb, and Ni was evaluated in the shoots and grains, respectively. The experiment used completely randomized design with four replicates and data were subjected to ANOVA and F-test (5%). Only Cr accumulation was significant (P < 0.05) in the cowpea shoots after 3 yr of TSC amendment; accumulation increased as TSC rates were applied. However, there was no significant Cr, Cd, Ni, and Pb accumulation in grains. After 3 yr of consecutive TSC soil amendments, Cr accumulated in the shoots, but it was not translocated to the grains.
author	Marçal Silva,Maria Doroteia Ferreira Araújo,Ademir Sérgio Pinheiro Leal Nunes,Luís Alfredo de Melo,Wanderley José Pratap Singh,Rajeev
author_facet	Marçal Silva,Maria Doroteia Ferreira Araújo,Ademir Sérgio Pinheiro Leal Nunes,Luís Alfredo de Melo,Wanderley José Pratap Singh,Rajeev
author_sort	Marçal Silva,Maria Doroteia
title	Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
title_short	Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
title_full	Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
title_fullStr	Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
title_full_unstemmed	Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment
title_sort	heavy metals in cowpea (vigna unguiculata l.) after tannery sludge compost amendment
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000300011
work_keys_str_mv	AT marcalsilvamariadoroteia heavymetalsincowpeavignaunguiculatalaftertannerysludgecompostamendment AT ferreiraaraujoademirsergio heavymetalsincowpeavignaunguiculatalaftertannerysludgecompostamendment AT pinheirolealnunesluisalfredo heavymetalsincowpeavignaunguiculatalaftertannerysludgecompostamendment AT demelowanderleyjose heavymetalsincowpeavignaunguiculatalaftertannerysludgecompostamendment AT pratapsinghrajeev heavymetalsincowpeavignaunguiculatalaftertannerysludgecompostamendment
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Heavy metals in cowpea (Vigna unguiculata L.) after tannery sludge compost amendment

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