In this regard,we carried out a research to study the dynamic changes of the weeds varieties and community composition under rice-duck farming.The experiment lasted for two years from the perspective of plant community ecology,four different treatment were adopted in the research,that was,not using of herbicide(CK),using herbicide(RH),not using herbicide under duck farming(DK),and using herbicide under duck farming(DH).Results showed that in the two years,DK reduced weeds by 47.00%,lower than 93.88%in RH and 100.00%in DH.DK also saw the formation of dominant weeds consisting of Echinochloa cru...
