洋菇吸取堆肥與覆土材料中所含汞之研究

Study on Uptake of Mercury by Mushroom from the Compost and Casing Soil

在堆肥及覆土材料中加汞，用量1ppm以內時，對洋菇的產量沒有影響，但洋菇自堆肥中所吸取的汞遠較吸自覆土材料者為多，材料中含汞量愈高，洋菇吸取量也愈多。初期所產的洋菇含汞量較高。

The yield of mushroom was not affected by the added mercury as high as 1ppm in the compost or casing soil. However, the mercury uptake was higher from the compost than from the casing soil. The amount of mercury uptake was in proportion to the amount of mercury in the compost or casing soils. The higher amount of mercury uptake was found in the beginning of harvesting.