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Cornell Cooperative Extension

Suffolk County

  • Agriculture
  • Community Education
  • Gardening
  • Marine
  • Suffolk County Farm
  • 4-H Youth
  • Peconic Dunes 4-H Camp
  • Recursos en Español
Lawn

Fertilize your lawn to keep it healthy and free from pests.

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  • Pest Management & Turf >
  • IPM Factsheets >
  • Fertilizer
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Fertilizer


Best Management Practices for Fertilizing Long Island Lawns

Another Set of Calculations for Fertilizer Applications

Calculating Liquid Fertilizer Application

Fertilizer Definitions

Fertilize Release Mechanisms and Time Until Release

Fertilizer Requirements and Deficiency

How Does Soil pH Affect Fertilizers and Fertility

Magnesium (Mg) and Reasons to Use Dolomitic Limestone

Nitrogen

Phosphorus and the Environment

Phosphorous (P)

Updates on the New Statewide Phosphorous Law

Potassium (K)

Simple Granular Spreader Calibration

Spreaders

An Overview of the Local Law to Reduce Nitrogen Pollution by Reducing the Use of Fertilizer in Suffolk County

Tree and Shrub Fertilization

What About Gypsum?

What About Lime?

What Forms of Nitrogen Can Plants Take Up and How Long Does it Last?

Liming Timing

Phosphorous and Potassium Sources

Contact

Tamson Yeh
Pest Management / Turf Specialist
tsy3@cornell.edu
631-727-7850 x 240

Last updated March 29, 2017

IPM Factsheets

  • Athletic Fields
  • Diagnosis
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  • Fertilizer
  • General Plant Info
  • Insects
  • Installation and Maintenance
  • IPM
  • Irrigation
  • Misc. Pests
  • Non-Living Plant Injury
  • Poisonous Plants
  • Safety and Equipment
  • Soil, Mulch, Compost
  • Specific Plant Choice
  • Specific Plant Situation
  • Trees
  • Turf
  • Useful Math and Charts
  • Weeds and Moss
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Cornell Cooperative Extension
Suffolk County

Extension Education Center
423 Griffing Avenue, Suite 100
Riverhead, New York 11901-3071
TEL: 631-727-7850
suffolk@cornell.edu
Hours: 8:30am-4:30pm

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