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能清除掉氮和其它地表水中污染物的作物可以帮助解决城市和家畜饲养场排出的污物处理问题。位于内布拉斯加林肯的美国农业部农业研究站的研究者报道,高粱具有意想不到的从土壤中吸收
Crops that remove nitrogen and other surface water contaminants can help solve the problem of soil disposal from municipal and livestock farms. Researchers at the USDA Agricultural Research Station in Lincoln, Nebraska, have reported that sorghum has unexpectedly absorbed from the soil