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Fertilizing alfalfa in Minnesota

A well-managed fertilizer program is a key ingredient in the efficient and profitable production of this crop.

When alfalfa production is considered, major emphasis should be devoted to

  • The proper use of lime.
  • Application of appropriate rates of phosphate, potash, sulfur and boron.

pH and liming guidelines

Profitable alfalfa production starts with a consideration of soil pH and lime needs.

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Phosphate and potash

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Other nutrients

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Authors: Daniel E. Kaiser, Extension nutrient management specialist, and Keith Piotrowski, director of the soil testing laboratory

Reviewed in 2023

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