California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 47000.5

(b) “Practice of the agricultural arts” means the undertaking of being predominantly responsible for the decisions and actions encompassing the various phases of producing an agricultural product. The practice of the agricultural arts for fruit, floral, nut, vegetable, and other plant products includes directive or actual responsibility for all the actions of planting, growing, fertilizing, irrigating, cultivating, pest control, and harvesting. The practice of the agricultural arts for agricultural animal products includes directive or actual responsibility for a substantial time of the raising, feeding, veterinary care, and product harvesting.

(c) “Producer” means a person, partnership, corporation, or an otherwise legally formed farm or ranch that produces agricultural products by the practice of the agricultural arts upon land that the person or entity owns, rents, leases, sharecrops, or otherwise controls and has the documented legal right to possession. A person or entity that rents, leases, or otherwise acquires the right to possession of property essentially only for or limited to the period of the harvest season of the agricultural products produced on that property shall not be considered a producer under the provisions of this chapter.