Propositions de perles pour équipiers

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http://shareit.haccpeuropa.com/2011/08/21/ground-beetles-reduce-weeds/#sthash.E8L3dUba.Q84lfSZv.dpbs

Ground Beetles Reduce Weeds | haccp IT!

News Ground beetles could play an important role in ensuring future food security by munching on weed seeds that would otherwise grow to compete with food crops. Researchers have found that ground beetles play a role in weed control in farmland soils.

Dans cette pearltree vous pouvez faire équipe et proposer des pearltrees et/ou des pearls dans mon arborescence. by guatemalt Aug 16