Penn State Extension

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See how to integrate brassicas and legumes into mixes at these field days. Rachel Milliron photo.
Learn About Cover Crops at These Western Pennsylvania Tours - News News
Join Penn State Extension, NRCS, and Armstrong Conservation District for a tour to discuss successes and challenges with cover crop mixtures. More
Soil Sampling
Soil Sampling - Videos Videos

Soil Sampling

Rachel Milliron


In this video, learn how to take representative soil samples in agronomic fields. More
Corn earworm (CEW) and feeding on corn ear tip. Image credit: Rachel Milliron.
Identifying Corn Earworm - News News

Identifying Corn Earworm


Finding corn ears with feeding on the ear tip? More
Photo caption: Rye Cover, Rachel Milliron, PSU
Finishing Up with Manure Applications and Got Bare Fields? - News News
There may still time to get cover on the ground. More
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
Image 1. Frost damage to a stand of Japanese knotweed taken 5/9/2017
Frost and Freeze, Should We Worry About Winter Cereals? - News News
Temperatures crept at or below freezing the past couple of mornings, and you may be wondering if it has caused injury in wheat and barley crops. More
Landscape Tree Factsheets
Landscape Tree Factsheets - Guides and Publications Guides and Publications

Landscape Tree Factsheets

Henry Gerhold, Ph.D.


Select trees for planting in your towns and cities. 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