Productive components of maize under different weed management systems and planting arrangements in agrosilvopasture system

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Abstract

The success of an intercropping system is related to the knowledge of all factors that affect their growth and species production. The aim of this study was to evaluate the grain corn production under different weed management systems and planting arrangements in agrosylvopastoral system. The experimental design was a randomized complete block design with three replications. The treatments were arranged in split plots, with the corresponding portions of intercropping systems: eucalyptus or acacia eucalyptus intercropping with maize and Brachiaria brizantha cv. ‘Marandu’ or B. decumbens cv. ‘Basilisk’ or Brachiaria brizantha cv. ‘Piatã’. In the sub-plots allocated there were systems of weed management: atrazine applied alone or in mixture with atrazine tank with nicosulfuron sub-dose. It was added up two control groups for maize monoculture in both systems of weed management systems. Forest species were transplanted at planting corn time and brachiaria held on till. The application of nicosulfuron and atrazine mixture promoted the increase in plant height and ear insertion without affecting the maize grain yield. Eucalyptus, Acacia and species of Brachiaria, established concomitantly, had no effect on corn yield. The corn grain yield is reduced in agrosylvopastoral system compared to monoculture.

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Santos, M. V., Silva, D. V., da Fonseca, D. M., dos Reis, M. R., Ferreira, L. R., de Oliveira Neto, S. N., & de Oliveira, F. L. R. (2015). Productive components of maize under different weed management systems and planting arrangements in agrosilvopasture system. Ciencia Rural, 45(9), 1545–1550. https://doi.org/10.1590/0103-8478cr20141224

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