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Micronutrients Concentrations in Leaves of Oil Palm Trees Fertilized with Phosphorus, Potassium, and Magnesium

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Listed:
  • Ismael de Jesus Matos Viegas
  • Milton Garcia Costa
  • Eric Victor de Oliveira Ferreira
  • Eduardo do Valle Lima
  • Mário Lopes da Silva Júnior
  • Dioclea Almeida Seabra Silva

Abstract

The management of micronutrients in oil palm trees in the Brazilian Amazon is still underdeveloped; thus, information on plant demands and their interactions with other nutrients is required to create adequate management procedures. The objective this work was to evaluate the effects of phosphate, potassium, and magnesium fertilization on micronutrient concentrations in leaves of oil palm trees. The experiment was carried out in the Brazilian Amazon in a randomized block design in a 4 x 2 x 3 x 2 factorial scheme, using four phosphorus levels, two phosphorus sources (natural phosphate and triple superphosphate), three potassium levels and two magnesium levels. Phosphate fertilization increased the concentrations of boron, chlorine, and iron in leaves, while copper and manganese concentrations in leaves decreased with increased doses of phosphorus. Among the phosphorus sources, triple superphosphate provided higher chlorine concentrations in leaves. Potassium fertilization increased only chlorine concentrations in leaves, while magnesium supply did not alter micronutrient concentrations in leaves. Thus, phosphorus and potassium fertilizers are essential to provide adequate micronutrient concentrations in leaves of oil palm trees.

Suggested Citation

  • Ismael de Jesus Matos Viegas & Milton Garcia Costa & Eric Victor de Oliveira Ferreira & Eduardo do Valle Lima & Mário Lopes da Silva Júnior & Dioclea Almeida Seabra Silva, 2021. "Micronutrients Concentrations in Leaves of Oil Palm Trees Fertilized with Phosphorus, Potassium, and Magnesium," Journal of Agricultural Studies, Macrothink Institute, vol. 9(1), pages 377-393, June.
    • Handle: RePEc:mth:jas888:v:9:y:2021:i:1:p:377-393
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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.
    Full references (including those not matched with items on IDEAS)

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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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