It's been a great week at the Iowa Power Farming Show. This year Dr. Andrew Hoiberg presented each day to growers on Sulfur Deficiency in the Upper Midwest.
The key take a ways are:
Sulfur deficiency is often confused with Nitrogen deficiency, know what you are looking at.
Prior to 2005 little sulfur deficiency was observed
Sandy and loamy soils may exhibit more problems.
Soil tests may not adequately show a need for sulfur nutrition
Tissue tests of less than 0.25% Sulfur should show a response
Iowa State has documented yield increases of 7-18 bu / acre with applications of as little as 15 lbs /a sulfur
This Blogronomist article was written by Andrew Hoiberg, Director of Research and development. Here you will find a wide array of blog articles from Andrew and expert guests on topics related to soil and crop health, farming, and so much more. If it’s not here, ask us!