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If soil gave signs this clear, you could create a nutrient plan for every field you farm. The truth is soil can tell you what it needs, if you ask the right questions.

The FS System has a long history of P, K and lime variable rate nutrient application providing more value to farmers. The specific nature of VRT addresses the challenges of providing optimum fertility on diverse Midwestern soils.

  • Grid Soil Sampling
  • VRT Recommendations
  • By Soil Test
  • By Yield Removal
  • By Soil Test and Yield Removal
  • By Management Zone, including Soil Type

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And now, Three Rivers FS is among the first ag suppliers to employ a nitrogen inventory system to track plant-available nitrogen in the soil and offer a complete nitrogen management recommendation. Equipped with data, we apply insights about actual plant-available nutrients and crop growth to develop fertility plans that feed the crop when it needs it most – reducing the risk of loss of your nitrogen investment to unpredictable environmental conditions.

Three Rivers FS offers the exclusive N-WATCH™ nitrogen tracking program, the tool that not only asks the right questions, but can analyze the answers to how your nitrogen investment is being used.

N-WATCH soil samples are taken at key times of the N-cycle and measured for plant-available N concentrations. Equipped with field-specific data, your Three Rivers FS Crop Specialist applies insights about actual plant-available nutrients and crop growth to develop fertility plans that feed the crop when it needs it most – reducing the risk of loss of your nitrogen investment to unpredictable environmental conditions.

N-WATCH analyzes plant-available nitrogen (PAN) in soil samples taken in the 1st and  2nd foot layers. The two forms of PAN analyzed are Nitrate N (NO3-N) and Ammonium (NH4-N).

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Contact your FS Crop Specialist

Your FS Crop Specialist is here to help you with your nutrient management plans. 

Find out more