Corn Response to Sulfur in Indiana

Posted 12/14/2021 by Bob Nielsen, Purdue Corn Extension Specialist. This presentation shares what we know and don't know about corn response to applied sulfur fertilizer in Indiana, based on field scale research we conducted throughout the state from 2017 - 2021. While it is true that more fields of corn respond to sulfur today than decades ago, it is also true that many fields do not require sulfur fertilizer for optimum yield.