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随着文化生活水平的提高和城市绿化步伐的加快，人们对周围环境的要求也越来越高。绿化、美化、香化、亮化成为许多城市发展的重要目标。如今，花卉已成为调整农业结构、繁荣农村经济、美化环境的重要产业，而保护地生产则是北方花卉商品化生产的重要形式。为了适应市场的需求
With the improvement of cultural life and the pace of urban afforestation, people’s requirements for the surrounding environment are also getting higher and higher. Greening, landscaping, incense, lighting has become an important goal of many cities. Nowadays, flowers have become an important industry for adjusting agricultural structure, prospering rural economy and beautifying the environment, while protected area production is an important form of commercialized production of flowers in northern China. In order to meet the needs of the market