The effect on the yield and growth of edible fungi by huma acid and rare earth and their mixture is reported in this paper . the results show that the mixture of huma acid and rare earth has the best effect on the growth of edible fungi and can keep a stable biological activation in different concentrition 对腐殖酸、稀土及其混合物对食用菌生长和产量的影响进行了比较研究.结果表明，腐殖酸稀土混合物对菌丝生长的促进作用最佳，在不同浓度条件下都能保持稳定的生理活性
