Which grain size analysis method is right for you?
Learn the pros and cons of each method, and how to select which will be most effective for your application.
Measurement Insights18 min read
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Overview
Environment Knowledge Base
We believe in education
We're scientists. The quest for knowledge is in our blood. We've spent decades learning the best way to measure pretty much everything, so you can access a wealth of information.
Measurement Insights
Which grain size analysis method is right for you?
Determining drought tolerance in plants: Why most people do it wrong. How to do it right.
Water potential is underutilized by plant researchers in abiotic stress studies even though it is the only way to assess true drought conditions when determining drought tolerance in plants. Learn what water potential is and how it can improve the quality of your plant study.
Measurement Insights9 min read
Measuring soil suction—why filter paper isn't good enough
Still waiting a week for filter paper? Get the right answer in minutes.
Measurement Insights5 min read
Data logger compatibility tables
Search the following tables to find out which data loggers are compatible with various types of METER sensors.
Measurement Insights7 min read
Expertise library
VIDEO: How to calibrate METER soil moisture sensors
Step-by-step instruction guide for performing METER soil moisture sensor calibrations
Expertise library7 min read
Soil Moisture—6 Common Oversights That Might Be Killing Your Accuracy
Even one small oversight, such as poor installation, can compromise accuracy by up to +/-10%. How can you ensure your data represent what’s really happening at your site?
Expertise library5 min read
HYPROP how-to videos
4 short videos teach you what you need to know to become a HYPROP wizard.
Expertise library20 min read
5 Ways Site Soil Disturbance Impacts Your Data—And What To Do About It
Site disturbance matters—and there are ways to reduce its impact on soil moisture data. Find out what installation techniques and best practices can set you up for success.
Expertise library7 min read
Grow your expertise
We want you to be wicked good at what you do. Discover an entire library of articles that teach the science behind the measurements, so you can sharpen your expertise.
Case studies
Feed the world
Maximize yield. Minimize waste.
As water resource management grows more complex, the cost of water increases and humanity’s food consumption soars to an all-time high, optimizing crop yields through efficient irrigation is becoming crucial.
Case studies6 read time
Wasatch Plateau
Only the strong survive.
Climate change models predict earlier snowmelt and rainstorms that will be less frequent and more intense. What does this mean for the Utah Wasatch Plateau?
Case studies5 read time
Perfecting Turfgrass
A delicate balance.
Researchers are developing plants and management practices that help sports turf stand up to frequent use and perform well even during fall months.
Case studies5 read time
Fukushima reborn
Fight the invisible.
Near the Fukushima disaster site, scientists and citizens work tirelessly to clean radiation from affected farmland soils. Each weekend, they travel to a small village near Fukushima and labor to rehabilitate the land.
Case studies6 read time
Education guides
Weather Monitoring Master Class
Accurate weather information is critical for understanding experimental results or modeling—and if you’re just guessing—you’ll be in trouble when it comes time for publication. You need data you can trust.
Education guides105 min read
MASTER CLASS: The Ultimate Guide to Measuring Soil Hydraulic Properties
Six short videos teach you everything you need to know about soil infiltration and measuring saturated and unsaturated hydraulic conductivity.
Education guides150 min read
Growing Degree Day (GDD) models—The complete guide to better accuracy
Six short videos—everything you need to know about how to nail your GDD predictions.
Education guides45 min read
Soil electrical conductivity: The complete guide to measurements
Irrigated land accounts for 40% of our food supply, and salts impact yields on about one-fifth of those acres.
Education guides35 min read
We're all about the science
Crush your experimental goals. Our webinars and podcasts feature scientists who understand the complexity of what you’re trying to accomplish and can help you succeed.
Webinars
Water Resource Capture: Turning Water Into Biomass
As world water demand increases and supplies decrease, how can we turn more of the water we use for agriculture into biomass?
Webinars5 min watch
Radiation Resource Capture: Are You Leaving Yield On The Table?
Four resources need to be plentiful within a crop’s environment to increase biomass: CO₂, water, nutrients, and PAR. In this webinar, Dr. Campbell dives deep into the measurement and implications of PAR.
Webinars45 min watch
Weather Data: Why Accuracy is More Complicated Than You Think
Don’t unwittingly compromise your weather data by underestimating all the factors that influence accuracy. Dr. Colin Campbell discusses what these factors are and how to plan for them.
Webinars45 min watch
Soil Infiltration 101: What It Is. Why You Need It. How To Measure It.
World-renowned soil physicist, Dr. Gaylon S. Campbell, teaches the basics of soil infiltration and how to measure it correctly.
Webinars45 min watch
Podcast
Episode 21: Understanding the Language of Plants
Natalie Aguirre, a PhD candidate and plant physiology and chemical ecology researcher at Texas A&M University, dives into her research on pathogen infection, water stress, and how plants communicate and defend themselves.
Podcast 45 minutes
Episode 20: The Impact of Seasonal Vegetation on Coastal Dune Storm Recovery
Pete Tereszkiewicz, Ph.D. candidate at the University of South Carolina, explains how wind, water, sediment interactions, and seasonal vegetation affect beach dune creation, deformation, and erosion.
Podcast 48 minutes
Episode 19: How Researchers Fight Dust Storms and Desertification
New Mexico State Climatologist Dr. David DuBois discusses the latest in climate observation and air quality research.
Podcast 48 minutes
Episode 18: Busting Vineyard Water Management Myths
In vineyards, too much water can be as bad as too little. Jaclyn Fiola, hydropedologist at Virginia Tech, shares her research on the influence of soil and precipitation in U.S. Mid-Atlantic vineyards.
Podcast 45 minutes