| SDB | Data Acquisition System developed to communicate the smart tray with the PLC |
| FAO | UN’s Food and Agriculture Organization |
| VWC | Volumetric Water Content |
| EC | Electrical Conductivity |
| G | Gravimetry |
| AR | Acumulated Solar Radiation |
| SCS | Soilles Culture System |
| GM | Growing media |
| Etc | Crop Evapotranspiration |
| WUE | Water Use Efficiency |
| CEBAS | Centro de Edafología y Biología Aplicada del Segura |
| PLC | Programmable Logic Controller |
| RTU | Remote Terminal Unit |
| SCADA | Supervisory Control and Data Acquisition |
| SDI-12 | Serial Data Interface at 1200 baud |
| CODESYS | Leading manufacturer-independent IEC 61131-3 automation software for engineering control systems. |
| HMI | Human-Machine Interface |
| DLI | Daily Light Integral |