Perennial grain
Perennial grainCourtesy RaeA
In a paper titled Increased Food and Ecosystem Security via Perennial Grains scientist state that perennial grains could be available in two decades and urge that research into perennial grains be accelerated by putting more personnel, land, and technology into breeding programs.

Perennial grains have roots that reach 10 feet or deeper, reduce erosion, build soil, need less herbicide, and best of all, survive over winter so there is no need to plow, cultivate, or replant.

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