The northern farming-pastoral ecotone in China is not only an important green ecosystem barrier belt but also an important economic belt.However,the extensive operation manner and harsh natural surrounding lead to the grassland degradation,low agricultural productivity and people living in poverty.In our study,the result has shown that the aboveground biomass and economic benefits of improved natural grassland,artificial perennial grassland and silage farmland have been increased greatly.Therefore,the devel...
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