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1 results

  • Electronic Moisture Sensor for Maintaining Herbicide Solution on a Roller Applicator

  • J. S. Schepers, O. C. Burnside
  • Journal:
    Weed Science / Volume 27 / Issue 5 / September 1979
    Published online by Cambridge University Press:
    12 June 2017, pp. 559-561

  • Other research has shown that a roller applicator can selectively control weeds that protrude above the crop, conserve over 80% of the herbicide, eliminate spray drift and splash, and obviate recirculation of the spray solution. The carpet on the roller applicator must be moist enough to transfer ample herbicide to the weeds it contacts but dry enough to prevent dripping of herbicide solution from the carpet. An electronic moisture sensor and solenoid valve system was designed to permit operation of the roller applicator through various weed densities while automatically maintaining a proper level of herbicide solution in the carpet of the roller.