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配制不同浓度稀土溶液喷施金针菇子实体均有增产效应，以50×10－6浓度增化产最大。统计分析表明，50×10－6浓度组与对照组相比，产量差异达极显著水平。
Preparation of different concentrations of rare earth spray Flammulina velutipes fruiting bodies have stimulant effect to 50 × 10-6 concentration of maximum yield enhancement. Statistical analysis showed that the difference in yield between the 50 × 10-6 concentration group and the control group reached a very significant level.