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Evaluation of Application Frequency and Levels of Nitrogen on Cactus Pear

Author

Listed:
  • Keuven dos Santos Nascimento
  • Ricardo Loiola Edvan
  • Nayrlon de Sampaio Gomes
  • Rafael Felippe Ratke
  • Chrislanne Barreira de Macêdo Carvalho

Abstract

The objective of this study was to evaluate the agronomic characteristics of Nopalea cochenillifera (L.) Salm-Dick under different frequencies and levels of nitrogen application (N). Three nitrogen fertilizer application frequencies (1 time year-1, 6 times year-1 and 12 times year-1) and four nitrogen levels (0, 100, 200 and 400 kg of N ha-1 year-1) were evaluated one year after the planting, in a randomized blocks design with 12 replications. There was no interaction (P>0.05) between application frequencies and nitrogen levels. The number of cladodes, and the green and dry forage mass yields of the cactus pear were higher with the application frequency of 6 times year-1, presenting 18.4 ± 2.0 cladodes per plant, 151.0 ± 17.8 and 9.8 ± 1.0 t ha-1, respectively. The yield doubled with the application of 400 kg N ha-1, when compared to the treatment with no nitrogen application. With the nitrogen application frequency of 1 time year-1 the crude protein and neutral detergent fiber contents were higher, presenting 4.0 ± 0.1% and 33.8 ± 0.5%, respectively. When nitrogen is applied 6 times year-1 it provides higher growth and yield, but lower protein and fiber contents. The level 400 kg N ha-1 provides higher yield and lower nitrogen use efficiency.

Suggested Citation

  • Keuven dos Santos Nascimento & Ricardo Loiola Edvan & Nayrlon de Sampaio Gomes & Rafael Felippe Ratke & Chrislanne Barreira de Macêdo Carvalho, 2020. "Evaluation of Application Frequency and Levels of Nitrogen on Cactus Pear," Journal of Agricultural Studies, Macrothink Institute, vol. 8(3), pages 859-870, September.
    • Handle: RePEc:mth:jas888:v:8:y:2020:i:3:p:859-870
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    References listed on IDEAS

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    1. Guilhoto, Joaquim José Martins & Azzoni, Carlos Roberto & Ichihara, Silvio Massaru, 2014. "Contribuição da agricultura e do agronegócio familiar para o PIB do Nordeste [The Importance of the family agribusiness to the northeast region GDP]," MPRA Paper 59589, University Library of Munich, Germany.
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      JEL classification:

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

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