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Dealing with Sulfur Deficiency in Iowa Crop Production

Source Publication:	Crop Pest Management Shortcourse & Minnesota Crop Production Retailers Association Trade Show
Primary Author:	Sawyer, Lang, Barker
State:	Iowa
Date/Year:	2011
Focus:	Sulfur
Category:	Slide Sets
Crop:	Alfalfa, corn
Reported Results:	60 % corn S rate sites were responsive to S application. Especially coarse textures, sideslope landscape, low organic matter, eroded soils, no-tillage, reduced-tillage, alfalfa prior crop, no manure application, no S applies in fertilizers. There was a 19 bu/acre increase for responsive sites. Sulfur application rate when needed: alfalfa topdress 20 to 30 lb S/acre and corn 15 lb S/acre for fine textured soils or 25 lb S/acre for coarse textured soils. Please click here for full presentation.

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