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用２００ｐｐｍ浓度稀土元素拌料或出菇期用１５０ｐｐｍ浓度喷施两种方法都能使平菇增产，获得较好的经济效益。
With 200ppm concentration of rare earth elements or sprouting fruiting stage with 150ppm concentration of spraying two methods can mushroom production, obtain better economic benefits.