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Thistle following treatment with clopyralid.
Orchard Weed Control - Clopyralid - Articles Articles
Clopyralid is a selective, post-emergence herbicide that has been labeled in stone fruits for many years. More
Triploid grass carp are one potential management strategy for aquatic plants in your pond
Using Grass Carp to Control Aquatic Plants - Articles Articles

Using Grass Carp to Control Aquatic Plants

Bryan Swistock, Jennifer R Fetter, Amy Galford, James Andrew Clark

This information explains how to use grass carp for biological aquatic vegetation control. More
Common Water Test Parameters Related to Natural Gas Drilling
Common Water Test Parameters Related to Natural Gas Drilling - Articles Articles
Water test reports of water near gas drilling activity generally have these common parameters. More
A small roadside spring located along a state forest road in northcentral Pennsylvania.
Roadside Springs - Articles Articles

Roadside Springs

Bryan Swistock, Susan Boser, Mark Madden, Diane Oleson, M.S., Amy Galford, Gary William Micsky, James Andrew Clark

This article discusses a research study on the water quality and use of numerous roadside springs across Pennsylvania. More
Rob the Bank
Rob the Bank - Articles Articles

Rob the Bank

Scott Guiser

Weed seed-bank, that is. Right now, across Pennsylvania, huge deposits of weed seed are being accepted by soil. Stop it now and this will pay dividends later. More
Common Drinking Water Problems and Solutions
Common Drinking Water Problems and Solutions - Articles Articles

Common Drinking Water Problems and Solutions

Bryan Swistock, James Andrew Clark

A listing of symptoms in water (color, smell, taste), the common causes, and possible solutions to common drinking water problems. More
Glass of water
The Water We Drink - Articles Articles

The Water We Drink

Jennifer R Fetter, James Andrew Clark

Written for youth in grades 6-12, this tool introduces public and private water systems and includes an activity on how to read a water quality test report. More
Don't Guess... Soil Test
Don't Guess... Soil Test - Articles Articles

Don't Guess... Soil Test

Scott Guiser

Proper soil fertility is the foundation for plant health. Different types of plants have specific nutritional requirements and soil pH and nutrient levels vary greatly from site to site. More
Shade Tolerant Trees, Shrubs, and Groundcovers
Shade Tolerant Trees, Shrubs, and Groundcovers - Articles Articles

Shade Tolerant Trees, Shrubs, and Groundcovers

Jim Sellmer, Ph.D., Scott Guiser

Most plants grow best in full sunlight and all plants need some light to survive. More
Trees, Shrubs, and Groundcovers Tolerant of Dry Sites
Trees, Shrubs, and Groundcovers Tolerant of Dry Sites - Articles Articles

Trees, Shrubs, and Groundcovers Tolerant of Dry Sites

Jim Sellmer, Ph.D., J. Robert Nuss, Scott Guiser

Dry soil can exist when there is simply not enough water to supply plant roots in a growing area. More
Trees, Shrubs, and Groundcovers Tolerant of Wet Sites
Trees, Shrubs, and Groundcovers Tolerant of Wet Sites - Articles Articles

Trees, Shrubs, and Groundcovers Tolerant of Wet Sites

Jim Sellmer, Ph.D., J. Robert Nuss, Scott Guiser

Very few plants will grow when soil is constantly saturated; however, some trees, shrubs, and ground covers are more tolerant of wet sites than others. More
What Killed this Tree? Site-Related Problems in the Landscape
What Killed this Tree? Site-Related Problems in the Landscape - Articles Articles
This article provides some questions to ask yourself when diagnosing plant problems in the landscape. More