Under Pressure

摘要

To alleviate compaction, an inflation system allows quick adjustment of tire pressure for the field and the road. In 2011, compaction from tractor and planter tires cost Lowell Garrett more than $100,000 in yield-in just one field of his central Iowa farm. His compaction woes were obvious from the pickup window. "Driving down the road at the same interval where the machinery ran, the corn was noticeably stunted," Garrett says. "It was as if I had steamrolled the soil - the compaction was that great."