Founded in 1968, PolyFab provides custom engineered plastic fabrications.
We work with many materials and specialize in clear plastics.
Some of the applications we have made include:
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Plot layout (ring diagram): each of the 30 plots is enclosed within a 3.7 m diameter plastic flange that is buried to 60cm depth (hexagon shape). All plots have a 40+ cm buffer from the flange edge to the “core” portion of the plots, which has an area of 7 m2. This is divided into a 4.1 m2 northern mixed grass prairie (NMP) portion and a 2.9 m2 WEED portion by a 25cm deep steel flange. The NMP side has a 1.5 m2 harvest grid, a 20cm wide soil sampling area around the perimeter, and soil water content (to 80cm), air and soil temperature sensors (5, 10, 45 cm). A minirhizotron tube is installed at a 25o angle to a depth of 52cm; and trace gas sampling rings are located around the harvest grid. The field has 4 datalogger/power stations from which power is provided and sensor data is recorded. All power cables and sensor wires are housed in 3.8 cm ID PVC conduit, for protection.
Credit: Plastic Flange
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