71
Spraying should be done in conjunction with an agronomist
/ spray manager / someone skilled in the art of spraying.
The best setup might vary significantly from crop to crop,
season to season etc.
SPRAYWISE
It’s highly recommended that all operators of this sprayer
and spray program managers should be fully conversant
with the information supplied in the
Nufarm SprayWise
Horticultural Application Handbook
(refer photo)
before undertaking spray operations.
The book includes chapters discussing re;
• Droplet Size
• Nozzle Types
• Dilute Spraying
• Concentrate Spraying
• Coverage & Assessment
• Selecting Nozzles
• Drift
• Weather
• Adjuvants
• Formulations & Mixing Order
• Cleaning
• Calibration
• Record Keeping
• And more
This book is supplied with every Cropliner, and is
available from Croplands dealers, under the part number:
SPRAYWISEHK.
CALIBRATION
Applying the correct amount of chemical to a crop is only
possible if
the sprayer is calibrated, operated and
maintained correctly.
The variables of spray application (distance, time, working
width, liquid, and chemical volumes) must be measured
and controlled accurately to ensure chemicals are applied
at the correct rate.
Proper calibration involves setting up the sprayer (nozzle
selection, pressure, speed), calculating chemical and
water rates, and measuring the performance of the sprayer
itself. Only then can you be totally confident in applying
chemicals correctly.
Fully Automatic Spray Controller (HV4000/
Bravo 180S)
Automatic spray rate controllers maintain the application
rate (as set by the operator) when operated in the Auto
position.
The controller monitors speed of travel (speed sensor) and
flow rate (flow meter) and automatically adjusts flow rate
(via a pressure regulating or servo valve) to maintain the
correct application rate irrespective of speed variations
within the limits of the nozzles used.
IMPORTANT:
• It should be remembered that the spray controller does
not eliminate the necessity to measure and check the
accuracy of nozzle spray patterns and outputs. These
must be checked regularly to ensure correct and uniform
application rates because nozzles wear with use.
SECTION 7
SPRAYING INFORMATION
Summary of Contents for Cropliner 1500XL
Page 125: ...125...