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Phosphorus in Oil Palm Cultivated in the Oriental Amazon

Author

Listed:
  • Ismael de Jesus Matos Viegas
  • Magda do Nascimento Farias
  • Eric Victor de Oliveira Ferreira
  • Henrique da Silva Barata
  • Heráclito Eugênio Oliveira da Conceição
  • Jessivaldo Rodrigues Galvão
  • Diocléa Almeida Seabra Silva

Abstract

Amazon soils have a low phosphorus (P) availability and few studies have investigated nutrition of palm oil plantations. This study assessed the effects of P nutrition on oil palm organs according to plant age. The experiment was carried out under field conditions, at the enterprise Agropalma S/A, in the municipality of Tailândia, Pará State, Brazil. The experimental design used was completely randomized with four replications and comprised seven treatments- plants age (2, 3, 4, 5, 6, 7, and 8 years of planting). We evaluated P concentration, accumulation, and exportation in plant components (leaflets, petioles, stipe, rachis, palm heart, arrows, male inflorescences, peduncles, spikelets, and fruits). Palm heart (10.9 g kg-1) and male inflorescence (3.8 g kg-1) showed the highest P concentrations in the vegetative and reproductive organs, respectively. On the other hand, the largest P accumulations were observed in the stipe (159 g plant-1) and fruits (59 g plant-1), increasing from the 3rd year of age of the plants. Bunches exported the largest P amounts (81 g plant-1), especially in older plants. The oil palm immobilizes (24 kg ha-1) and recycles (23 kg ha-1) a large amount of P, more than it exports (12 kg ha-1) P.

Suggested Citation

  • Ismael de Jesus Matos Viegas & Magda do Nascimento Farias & Eric Victor de Oliveira Ferreira & Henrique da Silva Barata & Heráclito Eugênio Oliveira da Conceição & Jessivaldo Rodrigues Galvão & D, 2021. "Phosphorus in Oil Palm Cultivated in the Oriental Amazon," Journal of Agricultural Studies, Macrothink Institute, vol. 9(3), pages 43-63, September.
    • Handle: RePEc:mth:jas888:v:9:y:2021:i:3:p:43-63
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    References listed on IDEAS

    as
    1. Ismael de Jesus Matos Viégas & Jessivaldo Rodrigues Galvão & Allasse Oliveira da Silva & Heráclito Eugênio Oliveira da Conceição & Mauro Junior Borges Pacheco & Thiago Costa Viana & Eric Vitor d, 2020. "Chlorine Nutrition of Oil Palm Tree (Elaeis Guinq Jacq) in Eastern Amazon," Journal of Agricultural Studies, Macrothink Institute, vol. 8(3), pages 704-720, September.
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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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