Test 321 – Split Application

SCAP AgriScience Wheat Cluster

A Prairie Assessment of Nitrogen Stabilizers and Split Fertilizer Application in Sustaining Spring Wheat Yield, Protein, and Production Economics While Reducing Nitrous Oxide Emissions


Fertilizer & Inhibitor Calculator

Download the Fertilizer & Inhibitor Calculator

To use the calculator, you will need to know your (1) plot dimensions (m), (2) 100% N application rate (lb/acre) (i.e. your target rate less what is already in the soil), and (3) type of UAN (e.g. UAN28) and its density (kg/L). Please pay attention to units as they are plot-scale not field-scale.

Protocols & SOPs

Test 321 Field Protocol (March 2025)
Static Vented Chambers SOP
Ammonia Dositube Chambers SOP


Discussion Forum

› Forums › TEST 321 – Split Application

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    • Ammonia Dositube Hi all, I have not seen any color change on the dositube and am wondering if this is me not reading it right since I do not know what I am looking for. Please send a picture of one that is color changed or if you are experiencing the same non color change let me know. We have had no moisture this se...

      Started by: Patty Reid

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    • 2 years ago

      Marliese

    • eNtrench Mix Rate eNtrench is applied on a per area basis. Why? An excerpt from "New in Nitrogen Stabilizers" (by Ralph Pearce in CountryGuide) provides a simple explanation: “eNtrench NXTGEN works at slowing down the nitrogen cycle,” says Lorne Thoen, product manager with Corteva Agriscience. “We slow down the way ...

      Started by: Marliese

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    • 2 years ago

      Marliese

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