The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article “Zone In On Nitrogen” by Margy Fischer. You can find the article on page 32 in the November 2008 issue.
The following links provide further information about mastering nitrogen efficiency:
Read Ready with Nitrogen, March 2007, Farm Journal
Learn more about AgriGold’s hybrid classification for N utilization
Watch AgriGold’s PowerPoint presentation about nutrient maximization
These online tools will provide more information on two of the tools used to calculate N needs and loss: ISNT and NDVI and selecting N forms.
Soil-based Nitrogen Management, University of Illinois
Measuring Vegetation (NDVI & EVI), Earth Observatory
What is NDVI? NOAA Coastal Services Center
Selecting Forms of Nitrogen Fertilizer, The Ohio State University
The Nitrogen Cycle
Virginia Cooperative Extension: The Nitrogen Cycle, Virginia Cooperative Extension
Biology-Pages.info: The Nitrogen Cycle, www.biology-pages.info
