Domesticating a plant means prioritizing certain structures over others. Wheat shoots are completely inedible, so farmers have bred plants to focus on their grain. Modern wheat typically grows to around waist height; a few hundred years ago it was closer to head height. These shorter, modern wheat ears also produce more and larger grains than ancient species.
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Guy HedgecoeBusiness reporter, Madrid,推荐阅读星空体育官网获取更多信息
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