Penn State Extension

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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
Composted mushroom media
Spent Mushroom Substrate as a Soil Amendment in Turf - Articles Articles
If you are trying to improve the quality of turf growing in poor or marginal soils, consider using spent mushroom substrate (SMS) as a soil amendment. More
Crabgrass infested lawn. Photo: P. Landschoot, Penn State
Postemergence Control of Crabgrass and Other Summer Annual Grasses in Lawns - Articles Articles
During rainy summers, annual grasses can be an unsightly weed problem in many Pennsylvania lawns. More
Photo: P. Landschoot, Penn State
SDHI Fungicides for Turfgrass Diseases - Articles Articles

SDHI Fungicides for Turfgrass Diseases

Peter Landschoot, Ph.D.

As summer approaches, plans are being finalized for disease prevention and control programs. 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
Photo: P. Landschoot, Penn State
Brown Ring Patch Active in Central PA - News News
In May, 2017, I received a call from a golf course in central PA about a disease producing yellow circular patches on annual bluegrass greens. More
Photo: Bruce Ackley, The Ohio State University, Bugwood.org Annual Bluegrass
Suppression of Annual Bluegrass or Crabgrass - Articles Articles

Suppression of Annual Bluegrass or Crabgrass

Tanner Delvalle, Peter Landschoot, Ph.D., Jeff Borger, M.S.

Seedbed establishment for fine turf can be extremely difficult, and is often considered an art form. 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
What is an "Acre Furrow Slice" of Soil?
What is an "Acre Furrow Slice" of Soil? - Articles Articles

What is an "Acre Furrow Slice" of Soil?

Peter Landschoot, Ph.D.

Acre furrow slice is a common means of estimating the volume or weight of the surface 6.7 inches of soil in an acre of land. More
Weed Management in Turf
Weed Management in Turf - Articles Articles

Weed Management in Turf

Peter Landschoot, Ph.D.

Weeds are undesirable because they disrupt turf uniformity and compete with desirable grass species for moisture, light, and nutrients. More
Using Spent Mushroom Substrate as a Soil Amendment
Using Spent Mushroom Substrate as a Soil Amendment - Articles Articles
If you are trying to improve the quality of turf growing in poor or marginal soils, consider using spent mushroom substrate. More
Understanding the Phosphonate Products Understanding the Phosphonate Products - Articles

Understanding the Phosphonate Products

Peter Landschoot, Ph.D.

Sorting through the different phosphonate product (potassium phosphite, phosphorous acid, fosetyl-Al, etc.) can be difficult. More
Using Composts to Improve Turf Performance
Using Composts to Improve Turf Performance - Articles Articles
If you have been searching for ways to improve turf performance in marginal or poor soils, consider using compost as a soil amendment. More
Turfgrass Species for Pennsylvania
Turfgrass Species for Pennsylvania - Articles Articles

Turfgrass Species for Pennsylvania

Peter Landschoot, Ph.D.

Turfgrasses are fine-textured grass species that form a uniform, persistent population of plants and that tolerate traffic and low mowing heights (usually two inches or below). More
Turfgrass Seed and Seed Mixtures Turfgrass Seed and Seed Mixtures - Articles

Turfgrass Seed and Seed Mixtures

Peter Landschoot, Ph.D.

One of the most important steps in turfgrass establishment is the selection of high quality seed or a seed mixture that is adapted to the site conditions and intended use of the turf. More
Turfgrass Fertilization: A Basic Guide for Professional Turfgrass Managers
Turfgrass Fertilization: A Basic Guide for Professional Turfgrass Managers - Articles Articles
Dollar for dollar, fertilization does more to improve poor-quality turfgrass or to maintain good-quality turfgrass than any other management practice. More
Turfgrass Fertilization Basics Turfgrass Fertilization Basics - Articles

Turfgrass Fertilization Basics

Peter Landschoot, Ph.D.

Dollar for dollar, fertilization does more to improve poor quality turfgrass or maintain good quality turfgrass than any other single management practice. More
Recycling Turfgrass Clippings
Recycling Turfgrass Clippings - Articles Articles

Recycling Turfgrass Clippings

Peter Landschoot, Ph.D.

Collection and disposal of grass clippings from lawns is laborious, time consuming, and unnecessary. More
Turfgrass Establishment
Turfgrass Establishment - Articles Articles

Turfgrass Establishment

Peter Landschoot, Ph.D.

This article describes the general steps in turfgrass establishment. More
Photo: Bigstock
Renovation of Lawns - Articles Articles

Renovation of Lawns

Peter Landschoot, Ph.D.

Lawn renovation is a time-consuming process that should not be undertaken unless steps are taken to correct the underlying cause of turf deterioration. More
Liming Turfgrass Areas Liming Turfgrass Areas - Articles

Liming Turfgrass Areas

Peter Landschoot, Ph.D.

Soil acidity is determined by a soil test, however, not all soil tests provide accurate information on how much lime should be applied. More
Lawn Management Through the Seasons
Lawn Management Through the Seasons - Articles Articles

Lawn Management Through the Seasons

Peter Landschoot, Ph.D.

Successful management of home lawns depends on proper selection and management of turfgrasses. More
How to Calculate a Fertilizer Ratio
How to Calculate a Fertilizer Ratio - Articles Articles

How to Calculate a Fertilizer Ratio

Peter Landschoot, Ph.D.

What is the fertilizer ratio and how to calculate it. More
How Much Phosphorus and Potassium are Really in Your Fertilizer?
How Much Phosphorus and Potassium are Really in Your Fertilizer? - Articles Articles
Calculating P and K in your fertilizer. More
Crabgrass (Digitaria spp.)
Control of Summer Annual Grass Weeds in Turfgrasses - Articles Articles
Summer annual grasses continue to be pervasive weed problems in many turfgrass areas throughout Pennsylvania. More
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