Yet high tariffs on imported sugar, to the benefit of America's beet and cane farmers, have also helped to promote HFCS.

The effect of five N levels on root yield and sugar content and production of sugar was studied with one beet variety, in order to select the best N level for high yield and high sugar content.

Since high degree of sugar beet self-incompatibility, it often leads to loss of fine individual genotype, and is hard to keep good breeding material for breeding.