Sunflower, mustard plants, good cleansing agents
By planting sunflowers and mustard seed, engineers working for DaimlerChrysler have succeeded in cleansing the ground contaminated with lead on the site of an abandoned car plant in Detroit,
By planting sunflowers and mustard seed, engineers working for DaimlerChrysler have succeeded in cleansing the ground contaminated with lead on the site of an abandoned car plant in Detroit,