"It is very difficult to rely on the slow absorption of plants," says Gino Lin, citing information he has garnered from foreign sources. Bracken can very easily absorb heavy metals but it would take eight hundred years for them to clean a piece of heavily polluted land.
「要依賴植物慢慢吸收很難」，林景和提到國外資料曾刊載過，蕨類極易吸收重金屬，但利用它來清除一塊重度汙染的土地，需要八百年。