From Nothing Into Something, Sprout City Farms Grows a Thriving Urban School Garden in Denver

Amending the Soil

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Sprout City Farms worm castings photo
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The plan also involved inoculating the soil with compost tea and worm castings to boost microbiological activity, and then supplementing with organic fertilizers like alfalfa meal.

Mmm, worm castings.

Photo credit: Sprout City Farms