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1 背景福建地处我国东南沿海,属中南亚热带地区。气候温暖,雨量充沛。森林面积693.3万公顷,森林覆盖率达到57.3％,林业产业年总产值现已达到290亿元人民币,是我国的林业大省。福建的林木改良已有30多年的经验。在杉木和马尾松的人工林改良方面成就斐然,特别
1 Background Fujian is located in the southeast coast of China, which belongs to the subtropical area of South China. Warm climate, abundant rainfall. The forest area is 6.933 million hectares and the forest coverage rate reaches 57.3%. The total output value of forestry industry now reaches 29 billion yuan, making it a big forestry province in China. Fujian forest improvement has more than 30 years of experience. Fantastic, special, improvements in plantations of fir and masson pine