Grassland sand desertification and degradation is a great environmental problem of eco-system unbalance which should be paid more attention to in the pastoral areas of our country.

草地退化、沙化是我国牧区脆弱生态系统失衡急需整治的重大环境问题。

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With the change of pastoral system, the production way and life style of Buryat Mongolia on Hulunbeir grassland...

随着牧业体制的变革，生活在呼伦贝尔草原的布里·亚特蒙古族的生产及生活方式也在不断变迁。

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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。

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