Pest Control (Push and pull systems)
Plants and people - for iPad/Mac/PC
English - March 28, 2012 03:41 - 4 minutes - 55.1 MB VideoEducation piper nigrum charity green house rainforest vegetate seed plants nectar tomato synthesise Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Professor John Picket explains how he used the push pull system to help African farmers