Turfgrass Fertility and Soil Management

Information on turfgrass fertility and soil management, including soil testing, fertilization, irrigation, aeration and using compost. Tips on dealing with road salt injury, managing athletic fields and establishing lawns.

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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
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
Turfgrass Fertilization Basics
Turfgrass Fertilization Basics - Articles 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
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
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
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
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
Evaluation of Spent Mushroom Substrate as a Topdressing to Established Turf
Evaluation of Spent Mushroom Substrate as a Topdressing to Established Turf - Articles Articles
Is mushroom substrate a good option as a topdress fertilizer? 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
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
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
Soil Testing
Soil Testing - Articles Articles
Soil testing is a soil-management tool used to determine the fertility of soil as well as the optimum lime and fertilizer requirements for crops. 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
Lead in Residential Soils: Sources, Testing, and Reducing Exposure
Lead in Residential Soils: Sources, Testing, and Reducing Exposure - Articles Articles
This article provides some background information about how lead behaves in soil. 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
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