Food from Rocks? Gravel Gardening
Tammy Clayton
Now you can grow vegetables in gravel… without any fertilizer input. Geological agriculture. That’s the fancy definition. It’s really gardening in gravel. Sedimentary gravel and water. Therein lies the secret. No soil is involved, and no nutrient inputs. Just gravel, sand, and cotton. Supposedly, it naturally maintains excellent macro and micro nutrition for garden plants…
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