I’ve been on a mighty urban scavenge to acquire goodies for the garden this weekend. Although it would be wonderful to be able to source all my gardening goodness from on site, we started with a mostly grassed section, so it is impossible to generate enough biomass to supply the organic matter requirements of the garden. In an urban environment it is often necessary to venture into zones 6, 7 and 8 to procure nutrients and materials not readily available to…