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随着草原建设的迅速发展,提高草地的第一性生产性能,是发展草地的物质基础。草地的合理施肥又是提高牧草产量和质量的基本措施,方以保证土壤养分的平
With the rapid development of grassland construction, improving the primary productive performance of grassland is the material basis for the development of grassland. The rational fertilization of grassland is also the basic measure to improve the yield and quality of forage, in order to ensure the flatness of soil nutrients