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实验表明，用３０ｐｐｍ的“稀土”处理，可使平菇增产１２．８５％，蛋白质含量增加５．７３％，Ｆｅ、Ｚｎ和Ｃｕ的含量分别增加７３．４２％、４０．３４％和１９．３７％。
The results showed that the content of Fe, Zn and Cu were increased by 73.42%, 40.34% and 19, respectively, with the treatment of 30ppm “rare earth”. 37%.