BUILD YOUR OWN ECOSYSTEM
(Page 4 of 4)
July/August 1974
by JAMES B. DEKORNE
The range of inside low temperatures for January went from a high of 34° to a low of 25° . . . only nine degrees. Readings for the fish tank varied the same amount, from 44 to 35. These, remember, are low figures. The high inside daytime air temperatures fluctuated from 34° on January 2 to 79° on January 17, a difference of 45 degrees.
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By the end of February warmer weather gave the plants what they needed, and we began eating radishes and lettuce from the greenhouse . . . not bad when you consider that outside temperatures were still dropping into the teens and low 20's at night. All this, remember, with no external source of heat in the growhole (the wind generator and solar panel had not yet been installed to warm the fish tank). When you consider the circumstances under which our setup functioned, I think these results are very promising indeed.
In my next installment I'll discuss hydroponic gardening and how it fits into our ecosystem.
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