Remark. The purpose/target/objective indicates the post harvest use of the crop. It might have consequences for the use of crop protection products and the operation technique for harvesting. rmagro Example Potatoes can be grown for starch, consumption (Which might be further specified as for french fries, chips, table potatoes, ....) or seed. Maize (Corn) can be grown for fresh cobs, cob/mix, silage or grain. To be discussed: This implies that when a CropClass which is grown on one continuous plot is grown for different CropProductionPurpose's this plot must be separated in different CropFields.