Cropping System (IMAGE) Penn State Caption The dairy cropping-systems trial was designed as part of a larger multi-year study to evaluate strategies to meet the forage, feed, and fuel needs of a 65-cow, 240-acre dairy farm. Conducted at 1/20th scale, the cropping-systems trial is situated on 12 acres at Penn State's Agronomy Research Farm in Rock Springs, Penn. Credit Heather Karsten, Penn State Usage Restrictions Non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.