1994
DOI: 10.1080/00103629409369117
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Relationship between soil test methods and uptake of copper and zinc by grasses on polluted soils

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Cited by 10 publications
(6 citation statements)
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“…A number of chemical extractants, such as chelating agents (e.g., ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, and so on), buffered solution (e.g., NH 4 OAc), dilute acids (e.g., HNO 3 ), and neutral salt solutions (e.g., CaCl 2 ) have been used to predict the deficiency or toxicity levels of Cu in soils [36]. McBride [24] argued that a soil test sensitive to dissolved free Cu 2+ would be a more direct and reliable indicator of phytotoxic potential than either a plant tissue test or a measure of total or reagent‐extractable Cu.…”
Section: Resultsmentioning
confidence: 99%
“…A number of chemical extractants, such as chelating agents (e.g., ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, and so on), buffered solution (e.g., NH 4 OAc), dilute acids (e.g., HNO 3 ), and neutral salt solutions (e.g., CaCl 2 ) have been used to predict the deficiency or toxicity levels of Cu in soils [36]. McBride [24] argued that a soil test sensitive to dissolved free Cu 2+ would be a more direct and reliable indicator of phytotoxic potential than either a plant tissue test or a measure of total or reagent‐extractable Cu.…”
Section: Resultsmentioning
confidence: 99%
“…Estudos de fitodisponibilidade em áreas que receberam biossólidos têm utilizado extratores ácidos, principalmente Mehlich 1 e 3, soluções 0,05 e 0,1 mol L -1 de HCl e HNO 3 , sendo que alguns autores têm obtido boas correlações para determinados metais adotando essas técnicas de extração (Petruzzelli, 1989;Singh et al, 1994;Oliveira, 1995;Bertoncini, 1997).…”
Section: Introductionunclassified
“…A solução do agente quelante DTPA-TEA também tem sido utilizada em diversos trabalhos para extrair metais pesados, outros além de Cu, Mn e Zn, conforme inicialmente proposto por Lindsay & Norwell (1978), em variados tipos de solos tratados com biossólidos (Singh et al, 1994;Oliveira, 1995;Bertoncini, 1997).…”
Section: Introductionunclassified
“…A admissão da linearidade para o Zn recuperado como variável do aplicado para os extratores utilizados é baseada em outros trabalhos, em que diversos autores, trabalhando com diferentes doses de Zn e os mesmos extratores utilizados neste trabalho, obtiveram uma recuperação (extração) também linear (Singh et al, 1994;Akram et al, 1995;Davis et al, 1995;Menezes, 1997).…”
Section: Resultsunclassified