Storage Grain drying or aerating may be necessary. Combining the crop at slightly higher moisture will result in less shattering. The bushel weight of buckwheat is 48 lb. Growers are not allowed the luxury of long periods of storage before marketing since buckwheat contains a high percentage of fat. Very few herbicides are available for weed control in buckwheat.
Clean fields are highly desirable.
Volunteer plants of canola, mustard, barley, oat and wheat can be serious weed problems in buckwheat. The crop tolerance is rated 8.6 out of 9. There are no broadleaf herbicides registered for buckwheat. Some broadleaf herbicides used in previous crops may present residual problems in buckwheat. Canada thistle, sow thistle, toadflax and quack grass should be sprayed with pre-harvest glyphosate the year prior to growing buckwheat.