All articles for the date issue of the Wisconsin Crop Manager, Volume 14 Number 30 November 15, 2007 are now available on the web.

• Giant Ragweed Competition for Nitrogen in Corn
  A recent research article by Purdue weed scientists highlights the damage that giant ragweed can cause in corn. Obviously, these tall weeds are going to be highly competitive for light and they are also going to compete for water. However, this new study also documents their competition for nitrogen.
• Wisconsin Fertilizer, Aglime, & Pest Management Conference and Trade Show
  Conference Highlights based on recent emails between Carrie Laboski and Chris Boerboom, conference coordinators.
• Manage traffic on wet soils to limit soil compaction
  Soils are at or near their field capacity water content, which is the point were maximum compaction is possible. The easy, armchair quarterback advice is to stay off these wet soils, but in reality that may not happen. So how much compaction really may occur when heavy equipment is driven on wet soils?
• CCA Pre-Test Training Session December 13-14, 2007
  The CCA Pre-Test Training Session, sponsored by UW-Extension, Wisconsin Fertilizer and Chemical Association and the IPM Program will be offered at the Crowne Plaza, Madison on December 13-14, 2007. This training session is designed to help participants understand the principles necessary to become a quality crop advisor and to assist in preparation for the state CCA exam.
• Revised Soil Testing Basics Publication Now Available
  The popular publication Soil Testing Basics has recently been revised by the Nutrient and Pest Management (NPM) Program. Soil Testing Basics is a useful one-page reference resource for individuals involved in nutrient management planning. This publication includes information on why, when, and how to collect soil samples, as well as information on how to complete the soil information sheet that should accompany any samples sent to a lab.
• IPM Field Scout Training Class January 7-11, 2008
  The Madison Field Scout Training Classes will be held January 7-11, 2008.
  This course is designed to provide the skills necessary for proper pest identification, crop scouting techniques and can help people prepare for the CCA exam.

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