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在高寒地区，通过建植多年生禾草混播草地来提高草地生产力的生产模式是可行且有效的。
In alpine region, it is feasible and effective to improve the productivity by establishing mixed artificial perennial grassland.
结果表明：1 .在高寒地区，通过建植多年生混播禾草人工草地可达到提高草地生产力的目的。
The results indicate: 1. In alpine region, the productivity of the grassland can be improved by establishing mixture grassland of cultivated perennial grasses.
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