African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6925

Full Length Research Paper

Concentration of nutrients and chlorophyll index in pigeon pea fertilized with rock phosphate and liming in cerrado oxisol

Lorraine do Nascimento Farias
  • Lorraine do Nascimento Farias
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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Edna Maria Bonfim-Silva
  • Edna Maria Bonfim-Silva
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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Salomao Lima Guimaraes
  • Salomao Lima Guimaraes
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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Analy Castilho Polizel de Souza
  • Analy Castilho Polizel de Souza
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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Tonny Jose Araujo da Silva
  • Tonny Jose Araujo da Silva
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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Alessana Franciele Schlichting
  • Alessana Franciele Schlichting
  • Department of Agricultural and Environmental Engineering, Institute of Agricultural Sciences and Technology, Federal University of Mato Grosso, Brazil.
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  •  Received: 14 May 2014
  •  Accepted: 01 April 2015
  •  Published: 02 April 2015

Abstract

Soil fertilization and the management of green manure are needed to maintain and increase the soil fertility of Cerrado. Thus, the objective of this study was to evaluate the concentration of nutrients in the shoots and roots of pigeon pea that was fertilized with phosphorus sources that are associated with liming in Cerrado Oxisol. This study was conducted in a greenhouse with a completely randomized design in a 3×2 factorial arrangement with twelve repetitions. The rock phosphate, triple superphosphate and control treatments were associated with the presence and absence of liming; the sources of phosphorus were evaluated. The chlorophyll index and the concentrations of nitrogen, phosphorus, potassium, calcium, magnesium and sulfur in the shoots and roots of pigeon pea that was grown for a period of 107 days were evaluated. In general, the chlorophyll index and nutrient concentration of pigeon pea did not differ when fertilized with phosphate rock and triple superphosphate. The fertilization with rock phosphate and triple superphosphate provides a greater nutrient absorption of pigeon pea in the presence of lime.

 

Key words: Green manuring, Cajanus cajan, triple superphosphate, rock phosphate, chlorophyll index.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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