Penn State Extension

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Do Lichens Cause Harm to Trees?
Do Lichens Cause Harm to Trees? - Videos Videos

Do Lichens Cause Harm to Trees?

Scott Weikert

3:50

Lichens are often thought to be a pest or disease to trees and shrubs. More
Kiln Drying of Hardwood Lumber
Kiln Drying of Hardwood Lumber - Workshops Workshops
This introductory short course is designed to enable participants to dry hardwood lumber to maximize product quality and value. More
Why Does Lumber Need to be Dried?
Why Does Lumber Need to be Dried? - Videos Videos

Why Does Lumber Need to be Dried?

Scott Weikert

9:01

After lumber is sawn from the log it must be dried before it can be put into use. The forest products industry spends a lot of time and money to dry lumber and this video explains the reasons why. More
Ins and Outs of Weight Training
Ins and Outs of Weight Training - Articles Articles

Ins and Outs of Weight Training

Marilyn Corbin, Ph.D., Laura Henderson

This article in the Creating Health and Nutrition series explains what weight and strength training are, what your muscles are doing while you train, and the health benefits training provides. More
Photo credit: Jozef Polc, Flickr Creative Commons
Warm-up and Cool-down - Articles Articles

Warm-up and Cool-down

Marilyn Corbin, Ph.D., Laura Henderson

The purpose, benefits, and importance of the warm-up (getting your body ready for exercising) and the cool-down (returning your body to a normal resting state). More
Forest Landowners and Natural Gas Development
Forest Landowners and Natural Gas Development - Articles Articles

Forest Landowners and Natural Gas Development

David R. Jackson, Margaret C. Brittingham, Ph.D., Scott Weikert, James Finley, Ph.D.

Before signing a lease on your forestland, there are many things to consider to protect your interests. More