Today's big acres and tight planting windows mean you have to get the most out of every hour in the field. The John Deere-exclusive Central Commodity System adds big-acre productivity to your seeding operation and is available on a wide range of sizes to meet your high-productivity seeding requirements. MaxEmergeXP or Pro-Series™ XP row units provide seed spacing and depth control while the Refuge Plus option adds even more versatility, flexibility and capacity to your CCS planter.