A CGIAR project in Doyogena district combined training, demonstration plots and 50:50 seed co-financing to help wheat farmers bring faba bean, haricot bean and vetch into fields farmed with wheat year after year.
CropsThe co-op's Barry Cavanaugh advised well-drained loam fields, planting from 20 May to 10 June, early weed control and gentle harvesting at about 18% moisture, starting with 35 to 45 acres.
CropsAt the Centre for Sustainable Cropping near Dundee, barley after beans needed 22kg/ha less nitrogen and yielded 1.2t/ha more in four of five years, though not in the dry 2022 season.
CropsA University of Missouri study of soil samples kept since 1888 finds average sulfur levels fell from 807 to 232 pounds per acre, and says growers can no longer count on the air to supply it.
CropsUSDA's Economic Research Service reported on 16 April 2026 that the share of US cotton acres under double cropping or cover cropping rose from 15 percent in 2003 to 32 percent in 2019, the largest increase among corn, soybean and cotton fields.
