Treatment to neutralize the saline soil of the Huanghe (Yellow)-Huaihe-Haihe Rivers Plain will soon begin.Planned as an agricultural centre, it is China's biggest plain and embraces Hebei, Shandong,...
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Treatment to neutralize the saline soil of the Huanghe (Yellow)-Huaihe-Haihe Rivers Plain will soon begin.Planned as an agricultural centre, it is China's biggest plain and embraces Hebei, Shandong,...