Soybean response to phoshate fertilization

Authors

  • Wellington Araújo Universidade Federal de Roraima
    • Regynaldo Sampaio Universidade Federal de Minas Gerais
      • Roberto Medeiros Embrapa Roraima

        Keywords:

        Glycine max, phosphorous, Brazilian Cerrado, nodulation, Roraima State.

        Abstract

        This study aimed to evaluate the response of soybeans cultivars to phosphorous fertilization under Brazilian Cerrado conditions in Roraima State. The experimental design was random blocks in a factorial system (4X4) with four soybeans cultivars (Paiaguases, FT 106, Mirador, and FT 107) and four levels of phosphorus application (0, 90, 180, and 270 kg ha-1 P2O5), with three replicates. Plant height and first pod insertion height were adequate for mechanical harvest. Overall, the number of nodules in Mirador cultivar was significantly higher than those of the others cultivars. Cultivar Paiaguases presented the highest mass for the amount of 100 beans. Cultivars Paiaguases and FT 107 presented the highest yields, 2.995,9 kg ha-1 and 2806,7 kg ha-1, respectively. The phosphorous dosage that produced best yield, within the experimental design, was 270 kg ha-1 P2O5.

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        Published

        2008-11-24

        Issue

        Vol. 36 No. 2 (2005)

        Section

        Ciência do Solo e Engenharia Agrícola

        License

        Atribuição
        CC BY

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        How to Cite

        ARAÚJO, Wellington; SAMPAIO, Regynaldo; MEDEIROS, Roberto. Soybean response to phoshate fertilization. Revista Ciência Agronômica, [S. l.], v. 36, n. 2, 2008. Disponível em: https://periodicos.ufc.br/revistacienciaagronomica/article/view/83620. Acesso em: 29 apr. 2026.