The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article "Hard Water." You can find the article in Farm Journal's 2013 Late Spring issue.
A variety of Extension resources on the Internet can help farmers evaluate the hardness of water being used to apply chemicals. Here are five of them.
Role of AMS with Glyphosate Products
How much ammonium sulfate (AMS) is needed when applying glyphosate? This article from Iowa State University attempts to answer that question.
Interpreting Water Test Reports Part One: Inorganic Materials
This report from Purdue University provides helpful definitions for terms such as hardness and provides regulatory guidelines for the various metals that appear in water, among other information.
Understanding a Water Quality Analysis Report
Get facts about pH, hardness, electrical conductivity and more. Then use the calculation to determine how much AMS is needed in your water.
The Impact of Water Quality on Pesticide Performance
Numerous photos, charts and other visuals help illustrate how to test water as it relates to pesticide application in this Purdue report. Subjects explored include mixing order, product half-life and properly evaluating a pesticide label.
Best Management Practices for Agricultural Pesticide Use to Protect Water Quality
Maintaining water quality is important not only on the farm but also for land surrounding it. This report from Colorado State University examines the environmental and ecological implications of water, exploring subjects such as leaching and runoff, soil features and precision farming technology.