The nutrient balance in mixed crop and livestock systems is shaped by the production of livestock feed on the crop acres. Livestock have specific nutrient requirements which results in crop production practices that focus on quality of feed as opposed to highest yield. For example, forages are harvested to match livestock nutrient needs for energy or protein based on the livestock type, stage of production and end goals and purpose of the livestock being fed (e.g., milk, meat, eggs, repro...