●植物の根っこから金属を採掘「ファイトマイニング」に集まる期待(WIRED)
　https://wired.jp/article/the-feds-are-trying-to-get-plants-to-mine-metal-through-their-roots/

U.S. Department of Energy Announces $10 Million to Explore Using Plants to Extract Critical Materials from Soil to Support Domestic Supply Chain,2024/03/21
　https://arpa-e.energy.gov/news-and-media/press-releases/us-department-energy-announces-10-million-explore-using-plants

Nickel phytomining from industrial wastes: Growing nickel hyperaccumulator plants on galvanic sludges,2020/01/15
　https://www.sciencedirect.com/science/article/abs/pii/S0301479719315166