Study on infestation, damage and eco-economic threshold of Leptochloa chinensis in direct-sowing rice fields 
Chinese Rice Research Newsletter

ZHANG Songhan; GUAN Liqin; WANG Chuangbing; CHEN Jiansheng; HOU Quanmin

Shanghai Service Centre of Agri Technology Extension, Shanghai 201103; Shanghai Jiading Plant Protection and Quarantine Station, Shanghai 201800, China

Received:1900-01-01 Revised:1900-01-01 Online:1997-09-25 Published:1997-09-25

ZHANG Songhan, GUAN Liqin, WANG Chuangbing, CHEN Jiansheng, HOU Quanmin .

Study on infestation, damage and eco-economic threshold of Leptochloa chinensis in direct-sowing rice fields

Chinese Rice Research Newsletter

[J]. RICE SCIENCE.

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