Gebremedhin, Berhanu; Schwab, Gerald; Harwood, Richard R.; … - Department of Agricultural, Food and Resource … - 1998
Sugar beets (Beta vulgaris L.) and navy beans (Phaseoulus vulgaris L.) have been important target crops in the crop rotation systems of many Michigan growers, particularly in the Saginaw Valley and the Thumb region. The recent decline in sugar beet yields combined with the erratic navy bean...