The yield of the annual forage and feed crops mixture grassland in agro-pastoral transitional zone of Yanmenguan region in Shanxi was studied.
研究了雁门关农牧交错带不同一年生牧草及饲料作物混播草地的产草量。
The results indicate: 1. In alpine region, the productivity of the grassland can be improved by establishing mixture grassland of cultivated perennial grasses.
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。
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