Maryland Code, Agriculture § 2-2201

(1) Means the alteration or enhancement of a raw agricultural product, including livestock, or an agricultural service in a way that increases the product or service's worth to a consumer and brings more revenue to a farmer, producer, or processor; and

(2) Includes all enterprises, including those providing equine activities, in which an agricultural business or the agricultural business's products or services are altered, marketed, produced, or processed in a way that adds income to a farmer, producer, or processor.