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ity, and with groups of users that, based on some cri-
terion, can be differentiated into subgroups.
ACKNOWLEDGEMENTS
We thank Iain Milne from Scottish Crop Re-
search Institute for enabling the logging function of
OPTIRas
TM
. AGROBIOKON is supported by the
Northern Netherlands Provinces (SNN), the Product
Board for Arable Products (HPA), and AVEBE.
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