Soil Fertility Home Page
Welcome to the Iowa State University Agronomy Extension Soil Fertility Home Page. Nutrient topics are listed on the left side. Simply click on a topic of interest and you can find information about that topic, including Extension publications, newsletter articles, conference proceedings and reports, presentations, and links to other related sites. Links also provide access to soil fertility decision aid tools, a photo gallery, and the ISU Soil and Plant Analysis Laboratory.
PROPER SOIL SAMPLING CAN LEAD TO BETTER YIELDS AND PROFITS
Antonio Mallarino, Professor, Department of Agronomy, Iowa State
February 3, 2017
New ISU Extension and Outreach publication discusses steps to take to get a good soil sample
The most important piece in understanding the fertility makeup of a field is collecting soil samples. Without correctly sampled soil, farmers cannot make informed decisions on fertilizer, manure nutrients, and limestone applications in those fields. Read on
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DO YOU KNOW THE STORY OF SOIL?
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