University of Maryland Extension


Care and Calibration of Injector Pumps

This fact sheet was developed to familiarize you with the care and up-keep of fertilizer injector pumps or proportioners and to discuss several methods of calibrating these pumps for effective and efficient application of nutrients and other materials on your plants. Proper care and calibration...
This edition of Agronomy News includes articles on 2019 corn hybrid trials, new UMD weed specialist, research on starter fertilizer in corn, Extension winter production meetings, women in ag programs, soybean planting population study, corn...More info

Chesapeake Bay

Water flowing from your landscape after rain or during irrigation can pick up sediments, fertilizers and other chemicals that pollute streams, rivers and lakes, and the Chesapeake Bay. The yard care practices you follow can lead to healthier plants and create a landscape that traps pollutants...

Lawn Fertilizer Management Training

Tuesday, May. 28, 2013 - 10:00am to 3:00pm
Chesapeake College - Todd Performing Arts Center
Lawn Fertilizer Management Training May 28th, 10am - 3pm at Chesapeake College- Todd Performing Arts Center "Learn how to have a green lawn AND a healthy bay!" Join Dr. Gary Felton, University of Maryland Associate Professor and Extension Nutrient Management Specialist, as he presents training for...

Using Nitrate-N Petiole Sap-Testing for Better Nitrogen Management in Vegetable Crops

September 2008 Introduction Vegetables have a relatively high nitrogen requirement and at times growers apply too much fertilizer-N that contributes to ground and surface water pollution. Fertilization can be made more efficient by plant analysis. Plant tissue (petiole) nitrate testing is a way of...

Reducing Nitrogen Applications in Watermelon While Maintaining or Increasing Yields

2008 Objective: With the emphasis on reducing excess nutrients applied to Maryland vegetable fields, which will reduce nutrient movement into the Chesapeake Bay, this research examined supplying nitrogen to watermelon plants only when needed as determined by the plant’s nitrate content...
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