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Chinese Agricultural Science Bulletin ›› 2017, Vol. 33 ›› Issue (36): 105-110.doi: 10.11924/j.issn.1000-6850.casb17090038

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Restoration and Management Measures for Degraded Grasslands of Family Ranches in Desert Steppe Area

  

  • Received:2017-09-08 Revised:2017-10-31 Accepted:2017-11-24 Online:2017-12-29 Published:2017-12-29

Abstract: To study the restoration management measures of degraded grassland in desert steppe area, degraded grassland restoration experiment of 3 family ranches was carried out from 2014 to 2017. The results showed that the after-culture treatment and ripping film + after-culture treatment significantly improved the aboveground biomass, vegetation coverage and grassland height of degraded grassland, there was no significant effect on species richness, after-culture treatment increased aboveground biomass by 51.6%-58.4%, and that of ripping film + after-culture treatment was 48.3%-48.9%. In the third year, the vegetation coverage of afterculture treatment and ripping film + after-culture treatment increased by 50.2%-70.8% compared with the first year, and grassland height increased by 52.1%-69.8%. After-culture treatment and ripping film + afterculture treatment reduced forb biomass to about 10% , and sedge biomass reduced to about 14% . Comprehensive evaluation showed that after-culture treatment and ripping film + after-culture treatment were the effective management measures for restoration of degraded grassland, and the study could provide technical support for the restoration of degraded grassland in the desert steppe area.