Penn State Extension

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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
Beekeeping Basics
Beekeeping Basics - Guides and Publications Guides and Publications

Beekeeping Basics

Maryann Frazier

98

Become a successful beekeeper by learning about honey bee biology and how to manage bee colonies. More
A Field Guide to Honey Bees and Their Maladies
A Field Guide to Honey Bees and Their Maladies - Guides and Publications Guides and Publications
Identify and treat maladies in your honey bee colony. More
Beekeeping - Honey Bees
Beekeeping - Honey Bees - Articles Articles

Beekeeping - Honey Bees

Maryann Frazier, Tom Butzler, Lynn Kime, Timothy Kelsey, Ph.D., Jayson K. Harper, Ph.D.

Honey bees can be managed to produce many products, but they are even more valued for the major role they play in pollination of agricultural crops. 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