WildEye 4G IoT + Watermark
Irrigation decision support systems (IDSS) are integrated solutions that combine and interpret real-time meteorological, soil moisture and crop water stress data to help growers make more efficient irrigation decisions.
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WildEye 4G IoT + Watermark
On their own, Watermark probes report soil water tension for a specified depth
Hub Highlights:
- WildEye is able to install equipment at an array of depths.
- Without built-in telemetry, the Watermark Sensors relies on WildEye 4G IoT to upload data to the cloud.
- 300.00/year for each Watermark probe. Set evaluated included: 3 Drill and Drop probes, 3 data loggers, 3 Watermark sensors, mounting bracket, antenna, extension cables, labor, and annual subscription charges for a total of $7472.45 annually, or 5616.20 subtracting the Drill and Drop probes
Last Edited on: December 2025
| Manufacturer | WildEye |
| Sensor(s) Evaluated | Soil Moisture |
| Data Resolution | Hourly reporting |
| Canopy/Field Coverage | Dependent on the crop, topography, and goals of the farmer. The standard recommendation is one device per management zone. |
| Type of Telemetry | Minimum 4G |
| Sensor Height/depth | Data unavailable |
| Soil Based | Data unavailable |
Last Edited on: December 2025
| Sample Size | 3 |
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Intersensor Variaibility
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>100% |
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Correlation with Research Grade Instrumentation
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0.035 |
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Annual operating power of sensor - 30 acre farm (kWh/ha)
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self-contained solar |
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Annual operating power of sensor - 300 acre farm (kWh/ha)
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self-contained solar |
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Annual operating power of sensor - 3000 acre farm (kWh/ha)
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self-contained solar |
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Potential energy savings from reduced irrigation water pumping due to more accurate water consumption usage data
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variation from research grade instrumentation too high to calculate savings |
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Calculated potential energy savings by water source: Surface water (kWh/ha)
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variation from research grade instrumentation too high to calculate savings |
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Calculated potential energy savings by water source: Shallow groundwater - 8 m well (kWh/ha)
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variation from research grade instrumentation too high to calculate savings |
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Calculated potential energy savings by water source: Deep groundwater - 50 m well (kWh/ha)
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variation from research grade instrumentation too high to calculate savings |
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COMET estimate of power savings (kWh/ha)
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variation from research grade instrumentation too high to calculate savings |
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DNDC model N2O emission reductions (kg N/ha/yr)
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variation from research grade instrumentation too high to calculate savings |
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DNDC model CH4 emission reductions (kg C/ha/yr)
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no appreciable differences based on model |
Last Edited on: December 2025
Data Collection
Product evaluators at the UC Davis California Lighting Technology Center identified and assessed system characteristics related to user experience.
Sample Size
3
Usability and Performance
How does the IDSS appear in the grower's field and how often can/should the user interface with the IDSS?
The Watermark probe is installed belowground by WildEye with a small cap visible at the surface and its installation depth has flexibility (we evaluated 24"). Users can access probe outputs instantaneously via smartphone apps and should monitor at the scale of Irrigation scheduling (daily-weekly)
Installation
How long does installation take and who does installation?
The company installs the sensors and coordinates with the grower on the best day/time for sensor installation. Installation takes a couple of hours.
Installation/Removal
Can this remain in place around planting, harvest activities?
In annual crops like processing tomato, installation and removal occur around planting and harvest processes. In perennial crops like almond or pistachio, the Watermark can remain in row.
Maintenance
What types of in-season maintenance are required?
Watermark probes need to have strong soil contact, which can be lost if there are long gaps between irrigation events (can happen in orchard systems). If contact is lost and there is doubt about the data, it will need to be reinstalled. When in doubt about the data, reinstallation is recommended.