King City, Mo | WildBuckwheat - 1/30/2016 12:21
Carbon, Hydrogen, Oxygen.
From the air and water.
And a bunch of micro nutrients that you weren't replenishing.
Yup
Also calcium, mg and sulfur.
Think about the lbs of rain water that falls.
Seasons worth of rain over an acre is several gallons of water over that acre.
Also the plants are breathing in carbon dioxide. Legumes are fixing their own nitrogen out of the air.
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a stupid BRILLIANT question..
