| System | Open-path |
| Wind speed | Sonic anemometer-thermometer (CSAT3, Campbell) |
| Air temperature | Sonic anemometer-thermometer (CSAT3, Campbell) |
| Water Vapor | NDIR (LI-7500, LICOR, USA) |
| CO2 | NDIR (LI-7500, LICOR, USA) |
| Measurement height | 2.51m at mature plot, 2.42m at fertilizer plot |
| Sampling frequency | 10Hz |
| Averaging time | 30min |
| Data logger | CR23X-4M (Campbell, USA) |
| Data storage | HD, DVD |
| Original data (Raw data or statistics) | Raw |
| Observation items | Levels / Depth | Instrument |
| Global solar radiation (incoming) | - | - |
| Global solar radiation (outgoing) | - | - |
| Long-wave radiation (incoming) | - | - |
| Long-wave radiation (outgoing) | - | - |
| Net radiation | - | - |
| PPFD (incoming) | 2m | Quantum sensor (LI-COR LI-190SA) |
| PPFD (outgoing) | 2m | Quantum sensor (LI-COR LI-190SA) |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | 2.5m | Ventilated Pt resistance thermometer (HMP-45A, VAISALA) at mature field |
| Humidity | 2.5m | Capacitive hygrometer (HMP-45A, VAISALA) |
| Soil temperature | T-type thermocouple (T-soil4, MeiwaShoji) | |
| Soil heat flux | - | - |
| Soil water content | -0.05, -0.1, -0.3m | (EC20, DECAGON) |
| Wind speed | 2.5m | Sonic anemometer-thermometer (CSAT3, Campbell) |
| Wind direction | 2.5m | Sonic anemometer-thermometer (CSAT3, Campbell) |
| Barometric pressure | - | - |
| Precipitation | - | - |
| CO2 concentration | - | - |
| Soil respiration | Static closed chamber |
| Photosynthesis | - |
| Ecological Investigation | - |
| Methane (CH4) | Static closed chamber |
| Nitrous oxide (NO2) | Static closed chamber |