Minnesota Corn: What Source of Sulfur Is Right for You? – Video

Sulfur deficiency in young corn. Photo: University of Minnesota

About half of corn’s sulfur requirement is taken up between V5 to early silking. Only 10% of sulfur is taken up by corn prior to V5, but this timeframe is critical and deficiencies early in the growing season can limit yield – particularly in cool and wet springs.

When needed, sulfur fertilization can produce profitable increases in corn yields. In this short video, Extension soil fertility specialist Dan Kaiser walks you through how to choose the right source of sulfur, and when and how to apply effectively.


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