Yield Mapping of Potatoes
The objective of this project is to determine in field variability of potato yield and quality.
- Project start: 1999
- Project due: 2000
Preliminary Mapping results based on a HarvestMaster HM500 unit with a double set of load cells.
one set of load cells at the end of the horizontal part of the discharge conveyor
another set on the steep section of the discharge conveyor, with tilt sensor based correction
Measurement System Setup:
HM500 unit with 4 load cells, 1 tilt sensor and 2 speed sensors
Navstar 12 channel C/A code GPS with CSI coastguard beacon DGPS decoder
Philips NINO windows CE computer with compactflash card running a CE-version of the HM5 software
Left: a screen capture of the main screen on the HM5 windows CE version
Right: a view on the equipment in the cab: Reekie remote controller below, the Nino for yield mapping
right above it and the Muller board computer doing the regular task registration left of the Nino.
The Nino is capable to replace the Muller uni-control for this operation while they both record
worked hours and harvested area. But this would require changes in the administration on the farm itself.
Current Version of ppcHM5 features:
Single or Dual weight sensor set data processing
Time stamped SCCU data stream recording
Calibration procedure to zero the weight cell loads
Truck load administration
Yield processing and logging
Task management data recording
Position marker logging
Not yet implemented HM5 capabilities:
Automatic correction for weighbridge determined truck loads
Robustness of data communication e.g. checksum processing
Not yet implemented other capabilities:
Task management according to future ISO11783 standard
Export data in ADIS format
Automatic administration of recordings to a Field based on GPS position
Cartographic view on GPS data and/or field characteristics
last update: 1999-11-04, Jaap van Bergeijk
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