An Inexpensive Low Tunnel Season Extender
Photo 1 – Each frame was fitted over a 2-foot-long, half-inch re-rod driven into the ground. Re-rods were covered with half-inch plastic pipe for added rigidity. Longer re-rods would be an improvement, and 3-foot 4-inch sections of half-inch conduit might be even better. Photo 2 – Frames were assembled on the ground, left and right