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...Rice production economics chapter michael salassi costs be from a deep well groundwater source or surface is produced in louisiana under several differ canal all of these system options ent types agronomic systems it may have direct impact on water seeded by airplane onto flooded field the figure below provides general percentage breakdown major cost items asso drill tractor and grain dry crop rotation following soy ciated with irrigation pumping fertilization fixed beans crawfish some other commodity equipment custom charges fallow year tillage comprise associated include conventional stale seedbed southwest variety herbicide resistant hybrid are generally lower for labor interest repairs seed fuel drying pesticides fertilizer handbook sources both marketing northeast total variable pro over past five years slightly more than half duction range united states to per planted acre equip marketed domestically remainder ment being exported foreign countries domestic portion market has doub...