An M5Stamp Pico-Based IoT Soil Monitoring System for Soil Water–Salinity Diagnosis in a Coastal Reclaimed Pepper Greenhouse
Leon Nakayama, Ieyasu Tokumoto · 2026
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Description
Leon Nakayama and Ieyasu Tokumoto deploy a cheap connected soil monitor in a coastal pepper greenhouse during a 2026 study. Reclaimed land with salty groundwater threatens root zones silently. A stamp sized controller gathers probe data, stores it locally, and sends it to a simple cloud dashboard.
Field checks showed under one percent missing observations. Readings agreed acceptably with a laboratory reference instrument for water and salt levels. Ridge records revealed how irrigation water and salts move with depth. Salt driven water stress appeared even when soil felt wet enough. Growers gain timely diagnosis for watering and feeding decisions on salty land.
Catalog record
| CREATOR | Leon Nakayama, Ieyasu Tokumoto |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 33 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |