Influence of Weeding Mehods on Weed Community and Its Diversity in Sabina prewalskii Woodland
By using the method of community ecology,effects of chemical weeding,artificial weeding and chemical weeding + artificial weeding on Sabina prewalskii woodland weed community and its diversity were studied in Longqu,Zhangye City,Gansu Province.The results showed that:the weed chemical weeding test area has 5 families and 15 species of weeds,manual weeding test area has 9 families 20 species,chemical weeding + artificial weeding test area has 6 families and 16 species of weeds,weed control area has 14 families 30 species.Chemical weed control treatment of weed species richness index,Shannon diversity index and Shannon evenness index are the lowest,manual weeding treatment is the highest,indicating that herbicides have the greatest impact on weed diversity in Sabina prewalskii woodland.In the Sabina prewalskii woodland to control weeds,chemical weed + manual weeding is suitable manner.
国家科技期刊平台
NSTL
万方数据
维普
