'Weeds' are plants that build the soil (add lots of biomass and 'pump' minerals from deep in the soil to the surface, creating humus and food for the edaphic fauna) & they also appear in great numbers whenever there is a need to repair the soil ..
that can repair the Earth
Peter Andrews the creator of Natural Sequence Farming speaking about grasses and weeds and how to best manage them. This talk was recorded at Mulloon Creek NaturalFarms near Canberra. Read the Blog and learn more about this video at: http://www.ecofilms.com.au