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Photo: Pete Landschoot, Penn State
Evaluation of New Bentgrasses for Golf Course Fairways and Tees - Articles Articles
Choosing the right cultivar or blend of cultivars for your particular situation is important for long-term performance of your fairways and tees. More
7 Habits of Poor Sports Turf Managers
7 Habits of Poor Sports Turf Managers - Articles Articles
This article will talk about 7 things that people do poorly in the turf business and will give you action steps to correct them. More
Photo: P. Landschoot, Penn State
Evaluation of Some New Bentgrasses for Putting Greens - Articles Articles
Choosing the right bentgrass cultivar is critical for long-term performance of your putting surfaces. More
Best Management Practices for Bee Health
Best Management Practices for Bee Health - Articles Articles
The Horticultural Research Institute, the research foundation of AmericanHort, announces the release of Best Management Practices for Bee Health in the Horticultural Industry. More
Options for Chemical Control of Moss in Putting Greens
Options for Chemical Control of Moss in Putting Greens - Articles Articles

Options for Chemical Control of Moss in Putting Greens

Peter Landschoot, Ph.D., Joshua Cook

Silvery thread moss (Bryum argenteum) in putting greens is becoming an all-too-common occurrence on Pennsylvania golf courses. More
Irrigation Water Quality Guidelines for Turfgrass Sites
Irrigation Water Quality Guidelines for Turfgrass Sites - Articles Articles
Irrigation water quality is becoming an important issue for managers of golf courses, athletic fields, and institutional grounds in Pennsylvania. More
Factors Affecting Green Speed
Factors Affecting Green Speed - Articles Articles

Factors Affecting Green Speed

Peter Landschoot, Ph.D.

In golf, successfully managed greens are often associated with speed. Speed alone, however, does not symbolize a good or healthy golf green. More
Nikolai Sokolov, Bugwood.org
Calibrating Your Fertilizer Spreader - Articles Articles

Calibrating Your Fertilizer Spreader

Peter Landschoot, Ph.D.

How to calibrate fertilizer spreaders. More
William M. Brown Jr., Bugwood.org
Aeration of Turfgrass Areas - Articles Articles

Aeration of Turfgrass Areas

Jayson K. Harper, Ph.D., John C. Harper II

Mechanical aeration provides an excellent, and probably the only, means of correcting or alleviating soil compaction which may be quite serious on many lawn areas. More
Calculations Used to Determine the Amount of Fertilizer Needed to Treat Turf
Calculations Used to Determine the Amount of Fertilizer Needed to Treat Turf - Articles Articles
A fundamental problem in turfgrass fertilization involves determining how much fertilizer is needed to supply a specified amount of nitrogen (or any other nutrient) per 1000 sq ft. More
Lynn Sosnoskie, University of Georgia, Bugwood.org
Calculating the Price of Pure Live Seed - Articles Articles
How to calculate the cost of seed. More
How Much Soil Phosphorus is in Pennsylvania’s Lawns?
How Much Soil Phosphorus is in Pennsylvania’s Lawns? - Articles Articles

How Much Soil Phosphorus is in Pennsylvania’s Lawns?

Peter Landschoot, Ph.D., John Spargo

Indiscriminate use of phosphorus-containing fertilizer on runoff-prone turfgrass sites is thought to contribute to contamination of ground and surface water. More
Photo: Peter Landschoot
Enhanced Efficiency Nitrogen Fertilizers for Turfgrasses - Articles Articles
Choosing a fertilizer is an important management decision that affects the quality, color, and durability of your turf. More
Close up of earthworm casts on golf course turf. Photo: Pete Landschoot
Earthworms In Sports Turf: Making A Mess In Fall - Articles Articles
Earthworms play an important role in turfgrass ecosystems through their burrowing activities and by breaking down thatch and organic matter. More
Photo: Chris Evans, University of Illinois, Bugwood.org, annual sowthistle, Sonchus oleraceus
Annual Sowthistle - Articles Articles

Annual Sowthistle

Tim Abbey

Annual sowthistle (Sonchus olearaceus) is one of the annual thistles. More
Nimbleweed actively growing in July
Nimblewill (Muhlenbergia schreberi) - Articles Articles
Nimblewill is a native warm season perennial grass. It is extremely common, especially in older lawns. More
Spurge infestation in relation to mowing height. Far left is mowed at 1 inch, middle at 1.75 inches, right at 2.5 inches. Photo: Dr. Pete Landschoot, Penn State
The Impact of Mowing on Weed Pressure - Articles Articles
Perhaps the single most important (and easiest) management tool to control weeds in turf is performing proper mowing practices. More
Photo: Rebekah D. Wallace, University of Georgia, Bugwood.org carpetweed Mollugo verticillata
Carpetweed - Articles Articles

Carpetweed

Tim Abbey

Carpetweed (Mollugo verticillata) is a low-growing, multi-shoot annual that grows into a circular mat. More
Closeup of triangular stem shape, rhizomes, and tubers. Photo: Univ. of Illinois
Yellow Nutsedge Control Starts Now - Articles Articles
A sure sign of summer, yellow nutsedge is showing up in lawn areas. More
Phytotoxicity from the insecticide Spirotetramat on geraniums. Photo: Thomas G. Ford
Off-label Applications of Pesticides and Phytotoxicity - Articles Articles
Extension professionals and pesticide industry representatives consistently reminded growers to read the pesticide label thoroughly and observe all precautions listed on the label. More
Photo: The Dow Gardens Archive, Dow Gardens, Bugwood.org, showy forsythia, Forsythia x intermedia
Amines or Esters; Which Should You Use? - Articles Articles
As the forsythia comes into full bloom and dandelions show their beauty, one thing is certain; spring is upon us. More