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Photo Caption: Nozzles, Nicole Santangelo, PSU
What’s New in Weed Control 2018: Label Updates - Articles Articles
Learn new product labels and label updates for the 2018 season. More
Palmer Noxious Weed by PSU
Noxious Weed Act Signed Into Law on October 30, 2017 - Articles Articles
The new Pennsylvania Controlled Plant and Noxious Weed Act will help protect your farm or property from some newer invasive noxious weeds. More
Mature marestail plant in Rock Springs, PA
Marestail (Horseweed) Management - Articles Articles
Effective management of marestail (horseweed) involves a combination of herbicide, mechanical, and cultural tactics. More
Johnsongrass (Sorghum halepense)
Johnsongrass and Shattercane Control: An Integrated Approach - Articles Articles
Johnsongrass and shattercane are closely related grass weeds that are troublesome and persistent in row crops, where they reduce yield and quality. More
Controlling Yellow Nutsedge in Agronomic Crops (An Integrated Approach)
Controlling Yellow Nutsedge in Agronomic Crops (An Integrated Approach) - Articles Articles
Yellow nutsedge (Cyperus esculentus L.) is an aggressive perennial plant that is a problem weed in field crops throughout the United States. More
Wirestem Muhly Management in Agronomic Crops
Wirestem Muhly Management in Agronomic Crops - Articles Articles
Wirestem muhly (Muhlenbergia frondosa) is a perennial grass species that can be problematic in conservation tillage production systems throughout Pennsylvania and the Northeast. More
Quackgrass Management: An Integrated Approach
Quackgrass Management: An Integrated Approach - Articles Articles
Quackgrass is a widespread, persistent, cool-season, grassy weed found in Pennsylvania row and forage crops. This competitive perennial grass can reduce crop yields up to 95 percent. More
Photo of horseweed taken in early November. Curran, Penn State
How Late Can I Control Weeds in the Fall? - Articles Articles
How late can an herbicide application be made in the fall and still be effective? We provide comments about controlling perennials and winter annual weeds. More
Nutrient Management Legislation in Pennsylvania
Nutrient Management Legislation in Pennsylvania - Articles Articles

Nutrient Management Legislation in Pennsylvania

Douglas Beegle, Ph.D., Dwight Lingenfelter

Summarizes the nutrient management provisions of Act 38 in Pennsylvania and the regulations that went into effect October 1, 2006. More
Introduction to Weeds and Herbicides
Introduction to Weeds and Herbicides - Articles Articles
Weeds are plants whose undesirable qualities outweigh their good points. More
Watch Out for 2,4-D Drift Injury to Off-Target Crops
Watch Out for 2,4-D Drift Injury to Off-Target Crops - Articles Articles
We have heard about claims of 2,4-D injury to commercial grapevines in Pennsylvania, potentially stemming from applications in nearby field crops. More
Weed Ecology, Biology, and Identification
Weed Ecology, Biology, and Identification - Articles Articles
Understanding weed ecology can help in designing management systems to minimize their impact. More
Soil Acidity and Aglime
Soil Acidity and Aglime - Articles Articles

Soil Acidity and Aglime

Douglas Beegle, Ph.D., Dwight Lingenfelter

Soil acidity is among the important environmental factors which can influence plant growth, and can seriously limit crop production. More
Cover Crops for Conservation Tillage Systems
Cover Crops for Conservation Tillage Systems - Articles Articles
Cover crops can cover the soil to protect against soil erosion; improve the soil by adding organic matter, nutrients, and stability; and scavenge leftover nutrients. More
An Introduction to Weed Management for Conservation Tillage Systems
An Introduction to Weed Management for Conservation Tillage Systems - Articles Articles
Managing weeds in reduced-tillage systems requires a planned approach. More
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