Soil Sensors Overview

As a leader in soil monitoring instrumentation, Stevens offers portable and in-situ sensors to measure moisture,  EC (salinity), temperature and matric potential.

News and Articles

HydraProbe used in Mars Rover Challenge by Manipal University in India

UPDATE: The talented team of engineers ended up placing 7th overall out of 95 entries. Congratulations guys and gals! The original article continues below. The University Rover Challenge has been held every summer in Utah by the Mars Society. It’s a competition open to universities worldwide that encourages students to develop skills in robotics, improve the state-of-the-art… Read more

How to Install Stevens GroPoint Profile

Our friends at GroPoint put together this video demonstrating how to install the GroPoint Profile soil moisture profiling sensor. Senior GroPoint engineer Bruce Chambers demonstrates not only how easy it is to install the GroPoint Profile sensor, but also some valuable tips and tricks to make the installation go as smoothly as possible. The video… Read more

The Basics of Evapotranspiration

Evapotranspiration (ET) represents the loss of water from the Earth’s surface from the combination of direct evaporation and plant transpiration. ET is usually expressed as a rate such as inches per day. Knowledge of ET is important for irrigation scheduling but it is also an important factor for other land use applications such as septic… Read more

HydraProbe FAQs

Here are 7 questions and answers about using the Stevens HydraProbe. Q: What is the difference between the terms “real dielectric constant” (RDC) and the “real dielectric permittivity”? A: The terms real dielectric constant and real dielectric permittivity are often times used interchangeably and in a matter of speaking, are synonyms to one another. The… Read more

Improved Water Supply Forecasts Using Soil Moisture Data

HydraProbe used to improve water supply forecast from 3 SNOTEL sites in Idaho over traditional antecedent conditions using the principle component forecast model Much of the water in the Western United States used for irrigation, municipal supplies and hydro-electric production originates as winter snow pack at higher elevations. Since the early 1900s, the correlation between… Read more
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