Other Resources
Buckwheat production in the Northeast is different from other parts of the country. Following recommendations for the Dakotas or the West will not give good results. Here are links to some of those production guides for your interest:
North Dakota
Canada (organic)
Missouri (2002)
Ohio
Delaware
Alberta, Canada
Other resources:
Double cropping in Northeast Missouri (with budgets comparing competing crops)
Fertilizer recommendations for North Dakota
Crop budgets for North Dakota (South Central, North Central, North Valley)
Buckwheat growers Association of Minnesota