4R Nutrient Stewardship Portal
Find the 4R Manual available in 9 different languages and much more!
Plant Nutrition Diagnostics: Potato
IPNI, J.R. Simplot Company, and Tennessee State University have collaborated on a new publication that provides readers with access to a unique collection of hundreds of high resolution photographs that document a wide range of nutrient deficiency symptoms in potato plants with remarkable clarity. Now available to download from the IPNI Store!
Wildlife Pocket Guide
A practical guide to forage production that provides a focus on information of interest to wildlife enthusiasts. The guide is packed with useful facts and reference lists related to plant characteristics, fertilizer and nutrients, stand establishment, animal requirements, grazing, and forage quality, including hay and silage. Available for purchase in the Store!
Plant Nutrition Today
Our weekly highlighted article is "Subsurface Soil Compaction Restricts Rooting Depth and Access to Nutrients and Moisture" by Dr. Tom Jensen.
Improving the Value of Loblolly Pine Forests through Fertilization
Loblolly pine is the most commercially important of the pine trees grown in the southern U.S. Unmanaged forests can take up to 50 years to mature, while managed stands can mature in as little as 20 years. Loblolly pine is very responsive to cultural treatments such as fertilization, thinning, and eliminating woody vegetation, yet little is known about how much extra wood and economic value can be gained from fertilization late in a rotation after thinning.
2018 IPNI Program Report Released
This enhanced report demonstrates how our programs and activities are making a difference in science, for people, and for our stakeholders. The Report features videos from many of our global programs.
Frontiers of Potassium Science Conference Website
Review the recorded oral presentations and posters. Conference proceedings are now available!
