October 23, 2018
See the full article:
https://www.cals.iastate.edu/news/releases/iowa-nutrient-research-center-suppor…
“If farmers have a good year growing cover crops, they can get really excited and plant more acres. But if they have a bad year, they might never use cover crops again,” said Alison Robertson, professor of plant pathology and microbiology and a lead investigator of cover crop projects funded by the Iowa Nutrient Research Center.