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Sowing Season and Nitrogen Fertilization Rates in Two Oats Cultivars Grown Under Greenhouse Conditions

Author

Listed:
  • Luis Aurelio Sanches
  • Leandro Coelho de Araujo
  • Sabrina Novaes dos Santos-Araujo
  • Aline Tais de Carvalho de Oliveira
  • Antonio Clementino dos Santos
  • Leonardo Bernardes Taverny de Oliveira

Abstract

Two experiments were carried out in the experimental field of the Universidade Estadual Paulista-UNESP in Ilha Solteira, São Paulo state, Brazil, in a greenhouse from April to July 2015. This study aimed at evaluating the best sowing season and response to nitrogen doses for the cultivars of yellow oat São Carlos and black IAPAR 61. The experiments were conducted in randomized blocks designs in a factorial scheme with three replicates. The sowing seasons were April 23, May 08, and May 5 and the nitrogen doses were 0; 12.5; 25; 35.5 and 50 kg ha-1 cycle. Harvests at 30 and 60 days were conducted in order to estimate of the production of dry weight (DW), crude protein (CP), neutral detergent fiber (NDF) and acid detergent fiber (ADF). For a productivity of DW, there was interaction between sowing season and oat cultivars and significant differences for CP in the second harvesting. For NDF, a significant difference was observed between harvesting. The most suitable time for sowing of both yellow oats and black oats is early May. Dry weight yield and the CP content of yellow oats increased linearly with increasing nitrogen rates while for black oats a maximum DM yield were obtained with the application of 43.5 kg ha-1 of N.

Suggested Citation

  • Luis Aurelio Sanches & Leandro Coelho de Araujo & Sabrina Novaes dos Santos-Araujo & Aline Tais de Carvalho de Oliveira & Antonio Clementino dos Santos & Leonardo Bernardes Taverny de Oliveira, 2018. "Sowing Season and Nitrogen Fertilization Rates in Two Oats Cultivars Grown Under Greenhouse Conditions," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 10(9), pages 133-133, August.
    • Handle: RePEc:ibn:jasjnl:v:10:y:2018:i:9:p:133
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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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