The Nitrogen and Phosphorus Knowledge Web page is offered by Iowa State University Extension and the College of Agriculture. The publications page contains links to various newsletters, articles, publications, power point presentations, links to governmental publications, and more. For example, visitors will find articles written on phosphorous within the Integrated Crop Management Newsletter, power point presentations on Nitrogen Management and Carbon Sequestration, and links to other Iowa State University publications on various subjects such as nutrient management. Other links on the home page of the site contain soil temperature data, research highlights, and other similarly relevant information for those in similar fields.