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天津市静海县林海经济园区在8000hm2的范围内已有林地4000hm2。园区内林地以近几年种植的速生杨树为主,新植杨树需要5～10a(年)时间才能产生经济价值。为使农户尽快从种树中获得收益,园区从2006年开始引进林下种植食用菌技术。利用林地遮阴,在小拱棚中生产香菇、平菇、木耳等,并于2008年开始重点推广了反季节林地香菇26.7hm2,每667m2产值4.8万元,纯收入2万元以上,经济效益显著。
Linhai Economic Zone in Jinghai County of Tianjin already has 4000hm2 of forest land in the area of 8000hm2. The parkland is dominated by poplar trees planted in recent years. New poplar trees need 5 ~ 10a (years) of time to generate economic value. In order to make farmers get benefits from planting trees as soon as possible, the park started to introduce edible fungus planting technologies under the trees in 2006. The use of shady woodland, in the production of small Shed mushrooms, mushrooms, fungus, etc., and in 2008 began to focus on promotion of off-season woodland mushrooms 26.7hm2, the output value of 48,000 yuan per 667m2, net income of 20,000 yuan or more, significant economic benefits .