COSLHS FFA members participate in agronomy CDE / News, Randolph County News EVANSVILLE – The Christ Our Savior FFA chapter participated in the agronomy CDE last week in Valmeyer.The students judged different rings of grain and had to identify insects, weeds, weed seeds and plant seeds.Students who participated are, Christine Liefer, Emily Luebkemann, Alyssa Heimann, Charlie Rahlfs and David Koester.