Soil fertility and pasture productivity in a Grevillea robusta silvopastoral system

Authors

  • Maria Izabel Radomski Embrapa Florestas
  • Jorge Ribaski Embrapa Florestas

Keywords:

Agroforestry systems, Oak silver, Forage, Litter

Abstract

The "silver oak" is an Australian native tree species that was introduced in Brazil to shade agricultural species and forages (agrosilvopastoral systems).The aim of this work was to evaluate the silver oak effects on the soil fertility and the Brachiaria brizantha productivity in a silvopastoral system located at Arenito Caiuá geology, Tapejara, Paraná State, Brazil. Seven equidistant places were selected between two tree lines, with four repetitions. In these points it was collected the forage (winter and summer) and the soil and litter samples in the winter. In the sandstone region named Arenito Caiuá the silver oak litter is a very important source of organic matter and nutrients to the soil and it also promotes the the dry matter production, the increase of N and K contents of the forage, mainly in the summer.

 

doi: 10.4336/2012.pfb.32.69.53

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Author Biography

Maria Izabel Radomski, Embrapa Florestas

Possui graduação em Agronomia pela Universidade Federal do Paraná (1990), mestrado em Ciência do Solo pela Universidade Federal do Paraná (1998) e doutorado em Agronomia pela UNESP de Botucatu (2006). Tem experiência nas áreas de Agronomia, Recursos Florestais e Agricultura Familiar, com ênfase em Produtos Florestais Não Madeiráveis e Sistemas Agroflorestais, atuando principalmente nos seguintes temas: agroecologia; recuperação de áreas degradadas; fertilidade do solo e nutrição de plantas; plantas medicinais; compostos bioativos; erva-mate; espinheira-santa; silício.

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Published

2012-03-21

How to Cite

RADOMSKI, Maria Izabel; RIBASKI, Jorge. Soil fertility and pasture productivity in a Grevillea robusta silvopastoral system. Pesquisa Florestal Brasileira, [S. l.], v. 32, n. 69, p. 53, 2012. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/280. Acesso em: 20 feb. 2026.

Issue

Vol. 32 No. 69 (2012): jan./mar.

Section

Articles

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