About Agrojason Project

AgroJason Project, consists of undergraduate students, mostly of the University of Thessaly.
It is a combination of Engineering (mostly Electrical and Computer) students and Agronomist students. The aim of the project is to construct an automated greenhouse, focusing mostly on the automation side. Of course it is supposed to be remotely controlled. The location of the Greenhouse is in the facilities of the “Laboratory of Agricultural Constructions and Environmental Control” in Velestino, Thessaly.

Why AgroJason Project?

AgroJason Project is a non-profit group, aiming to inform the local community about the prospects of technology in cultivation. Technology not only facilitates the life of the farmer, but also has positive effects on environment. Closed cultivation systems reduce water waste by 90%. This is very important for areas where there is water shortage, but helps other areas, eliminating aquifer pollution.

Technical Specs

The Greenhouse consists of 4 units, giving the opportunity for parallel cultivations, and making experiments on the control system. The goal is to make components, to be used in big Greenhouses.

For the first version of the Greenhouse, the sensors that are going to be used are:
  • Temperature / Humidity (DHT11).
  • PΗ Control.
  • Luminosity (Photoresistor).
  • Substrate humidity.

The automations of the greenhouse are:
  • Automatic opening/closing of the windows.
  • Wet Pad
  • Opening/Closing of curtains
  • UV light
  • Automatic watering
  • Control of nutrition mixture for:
    • pH adjustment
    • Nutrition complement
    • Cleaning

Each plant requires its own conditions. These conditions are stored in a Database, which feeds the system to be properly configured. The original base has values for:

The irrigation system works with drip irrigation, and the plants are cultivated in Rockwool. The irrigation system is a closed system, in order to reduce the needed water supply, and avoiding extra soil pollution.

What the user can see at the UI system, is shown in the pictures below. The first one presents the login to the page, the second one the cultivation selection and the third the condition’s values and the elapsed time until the next sampling.