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The long-term effects of returning straw and applying organic fertilizer on weed
communities in a paddy field with a double rice cropping system
LI Chang-xin, ZHAO Feng, RUI Wen-yi, HUANG Qian-ru, YU Xi-chu, ZHANG Wei-jian
Acta Prataculturae Sinica . 2009, (3): 142 -147 . 

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