Whole grain protein is approximately 11 per cent, with 2.5 per cent fat. The middlings from buckwheat grain are rich in protein, fat and minerals. Generally, middlings are fed only as a concentrate. The protein content of middlings is approximately 27 per cent and fat 7 per cent. The palatability of this product is poor, and it is not fed to swine.
Buckwheat produces a dark, strong-flavoured honey, which is usually sold for a premium.
Buckwheat has also been used as a smother crop for controlling weeds such as quack grass, Canada thistle, sow thistle, leafy spurge and Russian knapweed. The crop's rapid germination and growth and broad-shaped leaves, which shade early in the crop's development, smother most weeds. Buckwheat is not a good choice for a cover or companion crop. It has also been used as a green manure crop because of decent yields of dry matter in a short time. Agronomy Varieties Tokyo was one of the first varieties developed in Canada.