2016
DOI: 10.5380/rsa.v17i1.47554
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AVALIAÇÃO DA TOXICIDADE DO COBRE EM DOIS SOLOS NATURAIS COM DIFERENTES FAIXAS DE pH – Uma abordagem com plantas e organismos edáficos

Abstract: Resumo -O crescente desenvolvimento agrícola tem resultado em problemas ambientais decorrentes da geração de resíduos contendo elementos tóxicos e algumas práticas agrícolas inadequadas podem desencadear o acumulo de cobre (Cu) no solo. O objetivo do trabalho é avaliar os efeitos da calagem na toxicidade do Cu, sobre a germinação de plantas e na biota do solo. Foram realizados testes ecotoxicológicos de germinação de sementes, as quais foram utilizadas as espécies Avena sativa e Vicia villosa, e teste de fuga … Show more

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“…Micronutrients such as Cu, although required in small amounts, are essential for plants to complete their growth cycle, playing an important role in plant biochemistry and physiology, since their deficiency causes a reduction in yield (Malavolta, 2006). However, reduced plant growth due to high soil Cu levels is reported by Zortéa et al (2016). In general, wheat plant height declines with the application of 98 mg of Cu kg -1 of soil, showing the potential for phytotoxicity.…”
Section: Figurementioning
confidence: 99%
“…Micronutrients such as Cu, although required in small amounts, are essential for plants to complete their growth cycle, playing an important role in plant biochemistry and physiology, since their deficiency causes a reduction in yield (Malavolta, 2006). However, reduced plant growth due to high soil Cu levels is reported by Zortéa et al (2016). In general, wheat plant height declines with the application of 98 mg of Cu kg -1 of soil, showing the potential for phytotoxicity.…”
Section: Figurementioning
confidence: 99%