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Agronomy Journal Abstract -

Application Consistency of Operator-Propelled Field Plot Spray Methods1


This article in AJ

  1. Vol. 77 No. 1, p. 175-176
    Received: Feb 24, 1984

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  1. J. M. Krall,
  2. D. S. Packer,
  3. J. C. Davison and
  4. D. N. Book2



Operator-propelled spray methods were compared for consistency of application under field-plot conditions. A bicycle sprayer, backpack sprayer, backpack sprayer with a metronome set for normal pace, and the backpack sprayer with a metronome set for a modified pace were tested over two terrains by three operators. Coefficient of variation of application output revealed that an operator can apply pesticides using a backpack sprayer and a metronome with the same application consistency as a speedometer-aided bicycle sprayer. When the metronome is used to modify pace, ground speed may have greater variance, but should be more consistent than backpack application without a metronome.

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