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‘Soil is more important than oil’: inside the perennial grain revolution

Scientists in Kansas believe Kernza could cut emissions, restore degraded soils and reshape the future of agricultureOn the concrete floor of a greenhouse in rural Kansas stands a neat grid of 100 plastic plant pots, each holding a straggly crown of strappy, grass-like leaves. These plants are perennials – they keep growing, year after year. That single characteristic separates them from soya beans, wheat, maize, rice and every other major grain crop, all of which are annuals: plants that live and die within a single growing season.“These plants are the winners, the ones that get to pass their genes on [to future generations],” says Lee DeHaan of the Land Institute, an agricultural non-profit based in Salina, Kansas. If DeHaan’s breeding programme maintains its current progress, the descendant of these young perennial crop plants could one day usher in a wholesale revolution in agriculture. Continue reading...


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