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rswillbedecreasedby20percentormoreby2020inareaswh●erefruits,vegetablesandteaaretheprimaryagriculturalproducts,thecircularsaid.LiuX●u,vice-presidentoftheChineseAcademyofEngineering,saidagriculturaldevelopmentfacespr●essingchallengescausedbyaworseningecology,suchaserosionoffertilesoilinnortheaster●nregions,waterscarcityinNorthChinaandheavymetalpollutioninsomesouthernparts8

By Admin on December 01, 2012 - 01 Commnets