EFFECT OF SILICON FERTILIZER ON FORAGE GRASSES AND SOIL CHEMICAL CHARACTERISTICS

Authors

  • Pedro Henrique Korndörfer Universidade Estadual de Goiás
  • Gisele Carneiro da Silva
  • Itamar Rosa Teixeira UEG
  • Alessandro Guerra da Silva Universidade de Rio Verde
  • Rogério Soares de Freitas Agencia Paulista de Tecnologia em Agronegocio - APTA

Keywords:

Brachiaria brizantha, Panicum maximum, silicon, acidity correction

Abstract

This research assessed the effect of calcium silicate application to soil surface on dry matter production and Si concentration on grass shoots, as well as chemical characteristics of a soil under degraded forage grass pasture. The experiment was carried out in a greenhouse, using a completely randomized design, in a 5x2 factorial arrangement, with four replicates. Treatments consisted of five calcium silicate doses (0 kg ha-1; 500 kg ha-1; 1,000 kg ha-1; 1,500 kg ha-1; and 2,000 kg ha-1) and two forage grasses (Brachiaria brizantha cv. Marandu and Panicum maximum cv. Mombaça). Shoot cuttings were performed at 45 and 95 days after sowing. Shoot dry mass accumulation and absorbed Si foliar concentrations were quantified, besides soil pH, Ca, P, Al, and V values, after grass harvesting. Calcium silicate application induced higher absorption of Si in Marandu, as well as in Mombaça. Marandu cultivar dry mass accumulation did not differ from Mombaça. Calcium silicate application increased pH and soil base saturation decreased the aluminum level.

KEY-WORDS: Brachiaria brizantha; Panicum maximum; silicon; acidity correction.

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Author Biographies

Pedro Henrique Korndörfer, Universidade Estadual de Goiás

Discente do Curso de Agronomia da Universidade Estadual de Goiás.

Itamar Rosa Teixeira, UEG

Graduação em Agronomia (1996) e Mestrado em Fitotecnia (1998) pela Universidade Federal de Lavras,  e doutorado em Fitotecnia (2002)  pela Universidade Federal de Viçosa.

Professor Adjunto da UEG em regime de D.E., atuando dos cursos de graduação e pos-graduação em Agronomia e Engenharia Agrícola, na área de Agronomia/Fitotecnia com ênfase no manejo, tratos culturais e tecnologia de sementes.

Alessandro Guerra da Silva, Universidade de Rio Verde

Graduação em Agronomia (1996) e Mestrado em Fitotecnia (1998) pela Universidade Federal de Lavras,  e doutorado em Fitotecnia (2003)  pela Universidade Federal de Viçosa.

Professor Adjunto da FESURV em regime de D.E., atuando dos cursos de graduação e pos-graduação em Agronomia,  área de Agronomia/Fitotecnia com ênfase no manejo, tratos culturais de leguminosas.

Rogério Soares de Freitas, Agencia Paulista de Tecnologia em Agronegocio - APTA

Engenheiro Agronomo, mestrado e doutorado (2005) pela UFV.

É pesquisador da APTA desenvolvendo trabalhos na área de manejo e tratos culturais de grandes culturas 

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Published

2010-05-21

How to Cite

KORNDÖRFER, P. H.; SILVA, G. C. da; TEIXEIRA, I. R.; SILVA, A. G. da; FREITAS, R. S. de. EFFECT OF SILICON FERTILIZER ON FORAGE GRASSES AND SOIL CHEMICAL CHARACTERISTICS. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], Goiânia, v. 40, n. 2, p. 119–125, 2010. Disponível em: https://revistas.ufg.br/pat/article/view/3922. Acesso em: 17 jul. 2024.

Issue

v. 40, n. 2, Apr./Jun. 2010

Section

Soil Science

License

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