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Fitting ESN Into Your Forage Fertility Program

  • Reduced N loss can result in increased yield potential and better forage quality from the same N application.
  • In northern tier states, ESN can be applied in the fall to meet spring green- up N demand because ESN is stable in the soil.
  • Using ESN can allow you to fertilize for multiple forage harvests with only one spring or fall application.
  • Using ESN allows you to control N supply to meet grass production goals. By blending ESN with other N sources, you can have N available immediately in the spring and throughout the growing season.
  • For spring applications on cool-season grasses, blend ESN with sufficient amounts of other soluble N sources to meet early N demand.
  • For earlier applications, warmer geographies, or if less early growth is desired increase ESN percentage in the blend (about 75-80% of the N from ESN).
  • For later applications, colder climates, or if more early growh is desired,about 40-60% ESN should be sufficient.
  • For later applications, the longer N release allows the plants to remain green longer resulting in improved quality, higher grades, and greater profitability.
  • For forage seed crops, ESN will provide N later in the growth cycle to maintain photosynthesis and increase seed production.

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