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为保护和改善首都的生态环境,近年来京郊的人工速生林发展很快。由于成材时间较长,存在农户短期效益和造林长期效益的矛盾,
In order to protect and improve the ecological environment of the capital, artificial fast-growing forests in the suburbs of Beijing have developed rapidly in recent years. As a result of a long time, there is the contradiction between the short-term benefits of farmers and afforestation long-term benefits,