I've been doing some work (both voluntary and in class) in the TAFE Glasshouse over the past month or so and on Thursday I got asked if I would like to assist the Tech from 'PowerPlants' to do a service and calibrate the Fertigation Unit. For those that don't know what a Fertigation Unit is, then just think of it as a machine that mixes the fertilisers and injects it into the water that feeds the hydroponic feeding system for the Tomato and Capsicum crops. (something we touched on in our Irrigation and Fertigation Classes). The work was fairly easy and we replaced the EC sensors and scoured the EC tubes with sand, plus other cleaning to valves and injectors. The Fertigation System is connected to a computer and can be controlled by staff here at Cranbourne, or from a company in Holland that developed the system.
Part of the system can be seen here.
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