Dr. Fixen will give a review of the progress made in crop nutrition and agronomy since the 1980s and the associated emphasis in research and education programs, especially in North America. The growing need for more evidence based approaches to meet future challenges will be discussed.
When decisions are made regarding the 4R’s there are many benefits, including better crop growth, decreased nutrient leakage to the environment, and the protection of natural areas and wildlife.
The 2015 Summary Update provides interpretive analysis of the results of the most recent survey of soil test levels for North America.
The 2015 soil test summary is the fourth in a series of summaries dating back to 2001, 2005, and 2010. For the first time, trends in relative frequencies in soil test levels are being examined. Preliminary results for Corn Belt states are showing a reduction in percentages of samples testing high
Economic rates of P fertilization are higher for potatoes than for many other crops due to shallow roots and sparse root hairs.
June 26, 2015 – Peachtree Corners, GA, USA – The International Plant Nutrition Institute (IPNI) has appointed Dr. Tom Bruulsema as its Phosphorus Program Director. “This change in focus reflects a need to devote greater attention to phosphorus, its role in global food security, and its potential f
This quarterly publication features current issues in plant nutrition for North America.
The Nutrient Use Geographic Information System (NuGIS) integrates multiple tabular and spatial datasets to create county-level estimates of nutrients applied to the soil in fertilizer and livestock manure, and nutrients removed by harvested agricultural crops.
IPNI's Nutri-Facts series focuses on each essential plant nutrient - presenting key facts concerning their use.