Enhancing Continuous-Corn Production in Conservation Tillage with Starter Fluid Fertilizer Combinations and Placement

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Start Date: 2010

Principal Investigator: Jeffrey Vetsch

Organization: University of Minnesota, Southern Research and Outreach Center

Status: Complete

Background Information:

Crop rotations in the Midwest have changed from the traditional corn-soybean rotation to more corn-intensive rotations. This switch to corn-dominated rotations presents a challenge to corn producers on many poorly drained, glacial till soils in southern Minnesota. In general, corn yields following a previous corn crop are reduced when conservation tillage practices are used on this soil type.

 

In Minnesota, we have very little data on the optimum rate and placement of sulfur-containing fluid starter fertilizers for corn. With the increased costs and price volatility of fertilizers, farmers have questions about what products, placements and rates give them the most “bang for their buck.”

Key Findings:

Data suggests yield responses to fluid starter fertilizer may be more likely on poorly drained glacial till soils in south-central Minnesota, compared with the well-drained loess soils of southeast Minnesota.

©2017 Agricultural Fertilizer Research and Education Council of Minnesota