Friday, June 17, 2011

Digging in green manure

video

after teaching the students about CO2 cycles and the value of digging in green manure to put CO2 into the soil, we went outside and enriched our next planting opportunity

1 comment:

  1. after teaching the students about CO2 cycles and the value of digging in green manure to put CO2 into the soil, we went outside and enriched our next planting opportunity

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