By Andi Anderson
Farmers understand that healthy soil is important for long-term productivity. Since 1988, the Sustainable Agriculture Research and Education program has supported farmer-led projects that improve sustainability. It has invested millions of dollars into research that helps farmers protect their land and livelihoods.
One innovative project explored the use of wide row corn systems combined with cover crops. Bob Recker, a farmer and consultant from Iowa, led this effort. He questioned traditional farming methods and wondered if wider corn rows could allow more sunlight for cover crops without reducing farm profits. His idea challenged standard practices but opened new opportunities for experimentation.
With support from two Farmer Rancher grants, Bob Recker worked with three farmers near Waterloo, Iowa. They compared corn grown in traditional 30-inch rows with wider 60-inch and 90-inch rows.
The farmers planted different types of cover crops between the rows. Some used single species, while others tried mixed crops. They also tested creative ideas such as grazing cover crops and growing vegetables between rows.
The trials maintained the same plant population per acre to ensure fair comparison. Researchers collected data on crop growth, weed control, soil health, water movement, and overall yield. The results were promising. Although some wider row systems showed slightly lower yields, they provided other important benefits. These included better water absorption, faster improvement in soil organic matter, and reduced runoff.
One farmer even managed to earn a profit during a difficult year by harvesting turnips grown between corn rows. This showed that wide row systems can provide alternative income sources, especially during crop failures.
The research clearly demonstrated that careful planning can make such systems both profitable and sustainable.
The project also attracted interest from other farmers and landowners who are curious about new farming methods. “There are a number of growers and landowners who have taken a great interest in my work. It is intriguing to them because it is so different from their traditional practices,” says Bob Recker.
Photo Credit: gettyimages-oticki
Categories: Iowa, Crops