What does a corn crop look like if it’s been planted and harvested season after season for more than 130 years – without ever receiving fertilizer? Surprisingly, not too bad, at a place called the Morrow Plots in Illinois. The University of Illinois is the home of the Heartland’s oldest continually maintained agricultural research fields. Thanks in part to the work done here by generations of scientists, modern farmers can look forward to remarkably productive harvests year after year.
