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The Right Spread of Fertilizer and Lime

February 6, 2011
By: Margy Eckelkamp, Farm Journal Machinery Editor and Test Plot Director
AskAnAgronomist 13
  

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Can I spread fertilizer and lime at the same time? Our agronomists answer in episode 13 of Corn College TV.

“When applying lime and fertilizer, it depends what fertilizer you’re applying,” Bauer says. “With potash, there is no problem. But there are concerns with phosphorus and lime at the same time.”

Bauer explains that phosphorus has negative charged ions, and lime has positive charged ions, so there is the potential for fixation.

“Ideally, there would be a rain in between applications. Another tip is if you can no longer see granules, you can go ahead and apply the lime. Also, the finer the lime, the greater the risk. And the heavier the residue in the field, the greater the risk for fixation.”

Learn more in Episode 13 of Corn College TV.

 

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