【彩神APP8官方_彩神APP8官网】Controlled Environment Agriculture developed in N China's Hebei

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A farmer harvests cucumbers in a greenhouse in Qianan, north China's Hebei province, Jan. 10, 2018. In recent years Qianan placed great attention on the development of Controlled Environment Agriculture and the total area of Controlled Environment Agriculture reached more than 153 square kilometers. (Xinhua/Yang Shixiao)

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