Penn State Extension

6 Results

List Grid

A Guide to Preserving Trees in Development Projects
A Guide to Preserving Trees in Development Projects - Articles Articles

A Guide to Preserving Trees in Development Projects

William Elmendorf, Ph.D., Henry Gerhold, Ph.D., Larry Kuhns

This publication explains tree health and environmental considerations and details how to preserve trees. More
Landscape Tree Factsheets
Landscape Tree Factsheets - Guides and Publications Guides and Publications

Landscape Tree Factsheets

Henry Gerhold, Ph.D.

456

$30.00
Select trees for planting in your towns and cities. 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
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
Pruning Landscape Trees
Pruning Landscape Trees - Articles Articles

Pruning Landscape Trees

William Elmendorf, Ph.D., Henry Gerhold, Ph.D.

Proper pruning of landscape trees improves their structural strength, maintains their health, enhances their beauty, and increases their value. More
Topping trees results in large areas of decay and fast-growing, weak, and unattractive watersprouts.
Don't Top Trees - Articles Articles

Don't Top Trees

William Elmendorf, Ph.D., Henry Gerhold, Ph.D.

This article explains the dangers of tree topping and what measures should be taken to prevent them. More