The Dirt Collector Part IV - Back in the Lab
2,675 views · Published 15 February 2010 · 7:31 · Indexed 22 September 2026
Channel: nottinghamscience · 2010 · Science & Technology
He's collected soil samples and grown his plants... Now Ed must do meticulous lab work to get his results. More at http://www.test-tube.org.uk/
