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Entry Date
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Nick Name
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Location
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Wednesday, April 15, 2026
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Kevin_M
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Mission Viejo, CA
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Entry 14 of 14 |
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The green house / high tunnel experiment has concluded, I've begun its disassembly and am transitioning to shade cloth using the existing structure.
The good: I had a great start. I mean, the best I've had yet. Soil temps were up, routinely 75* at any given time. Night time air temps were consistently 8*-10* higher than outside air. C02 at night was around 1200 ppm with the addition of some bags, up from the natural 800 ppm I was reading from soil biology at night, Secondary development was immediate, something that had been slow going on previous plants.
The bad: Day time temps were simply hard to control. My plant was looking stressed during the day, despite rolling up the sides 5 ft and opening the end wall where my door/entry was. I did had fans running non stop. It was typically 10*-15* hotter inside than ambient outside air temps. I don't know that I would do this exact setup again without a misting system.
Conclusion: It worked. It did what I wanted, fast start. It came with negative side effects that I could have solved had my wallet been fatter and time been unlimited. Now that the plant is established and running, I want to see if there is a change in early growth rate pre-pollination.
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