Soil Testing, Insect ID & Plant Diagnostic Lab

pH meter in soil next to hand holding soil
Soil pH and Plant Growth
Soil pH is a key factor in determining plant health because it directly affects nutrient availability. If the pH falls outside the optimal range for a... Learn More
Tick image superimposed on a photo of flowers
How Do I Get a Tick Tested for Pathogens That Can Cause Disease?
Extension offers valuable data to inform health choices
UNH Extension Tick Testing is a service that identifies seven pathogens of tick-borne illness. Learn More
Renuka Mathur portrait
Welcome Renuka Mathur
Renuka Mathur, Ph.D., joins UNH Extension as the State Extension Specialist for Soil Health
UNH Cooperative Extension is pleased to welcome Renuka Mathur, Ph.D., to the Food and Agriculture Team, as a Soil Health State Specialist. Renuka has ... Learn More
hand holding soil
Should I add soil amendments recommended by my soil test this fall or in the spring?
A Question of the Week
Even if choosing slow-release sources of Nitrogen and Potassium, fertilizer should be applied in the spring. In most New Hampshire soils, amendments c... Learn More
plant diagnostic
Rapid and Accurate Disease Diagnosis as a Key Component to Successful Plant Disease Management
Plant pathogens are one of the main threats to agricultural production and affect the multibillion-dollar agricultural industry every year. Accurate a... Learn More
COVID-19 virus
Extension cancels all events, programs and noncredit classes through April 5
Update on COVID-19 virus impacts in Extension.
Update on COVID-19 virus impacts in Extension. Learn More
soil in hand
Test Soil Now For A Fruitful 2018
Fall soil testing gives you time to adjust soil pH before next year’s growing season
Fall soil testing gives you time to adjust soil pH before next year’s growing season Learn More
I had my soil tested...but what do the results mean?
I had my soil tested...but what do the results mean?
Given the way this winter has gone so far, it’s possible the ground will thaw soon if it hasn’t already. That gives gardeners a prime opportunity to&n... Learn More