Prawn cultivation system formed in China's Ningxia to rehabilitate ecology

          Source: Xinhua| 2018-09-11 21:54:36|Editor: Li Xia
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          CHINA-NINGXIA-HELAN-PRAWN (CN)
          Photo taken on Sept. 11, 2018 shows a prawn cultivation base in Helan County, northwest China's Ningxia Hui Autonomous Region. A low-carbon circulating prawn cultivation system has been formed in Helan to rehabilitate ecology and increase farmers' incomes. (Xinhua/Wang Peng)

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          KEY WORDS: Ningxia
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