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Revista Brasileira de Ciência do Solo

On-line version ISSN 1806-9657


SEIDEL, Edleusa Pereira; COSTA, Antônio Carlos Saraiva da  and  LANA, Maria do Carmo. Copper phytoavailability and corn dry biomass production after swine manure application. Rev. Bras. Ciênc. Solo [online]. 2009, vol.33, n.6, pp.1871-1878. ISSN 1806-9657.

The residues of swine production have a great potential as soil chemical conditioners for crop production The purpose of this study was to evaluate: (a) corn yield, after application of swine manure and increasing doses of soluble copper in an Eutroferric Red Latosol with two organic matter contents (34,09 and 8,60 g dm-3), (b) the influence of soil copper and organic matter content on copper absorption and translocation to corn shoots. The study was set up in a greenhouse of the Universidade Estadual de Maringá, state of Paraná. The soil with two organic matter contents was submitted to seven treatments: control; swine waste; NPK + swine waste; and NPK + swine waste + 100, 200, 300 and 400 mg dm-3 copper, respectively. The dose of swine manure was equal in all treatments (120,000 L ha-1). It was observed that the soil organic matter content influenced the biomass shoot production. Roots absorbed part of the excess copper, but its translocation to the shoot was not proportional.

Keywords : organic fertilization; copper translocation; soil copper contamination.

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