Natures wonders: Crab grass poison (Introduction)

by David Turell @, Wednesday, July 10, 2013, 17:57 (3905 days ago) @ David Turell

Crab grass can stunt neigboring plants:-http://www.scientificamerican.com/podcast/episode.cfm?id=crabgrass-carries-on-chemical-warfa-13-07-09&WT.mc_id=SA_DD_20130710


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