The International Plant Nutrition Institute has officially released the results of the 2015 North American Soil Test Summary. The summary is the most extensive evaluation of the fertility of North American soils ever conducted. It shows status and temporal trends for several critical nutrient and pH components of soil health and provides insights into the sustainability of farming practices.
For the first time, IPNI has released the results of these four most recent summaries within a web-based data analysis system found at http://soiltest.ipni.net. This website provides new opportunities to view, compare and contrast soil fertility data over this 15-year time period. The site also provides full access to a range of charts, maps, and tabular data sets, read more.
IPNI co-sponsored a symposium on N management, Metrics for Management of Sustainable Crop Nutrition, at the annual ASA, CSSA, SSSA meeting held in Minneapolis, MN.
Dr. Cliff Snyder, IPNI N program director, presided over the symposium. Presenters: IPNI directors, Dr. Tom Bruulsema and Dr. Rob Norton; Allison Thomson; Lara Moody; David Mulla; and Bruce Montgomery.
For audio and presentations click here.