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Nitrogen Stabilizers: MAX IN. MAX OUT.

How Nitrogen Stabilizers Stop the Loss From Any Nitrogen Source

Nitrogen stabilizers deliver maximum profit by extending nitrogen availability during the key growth stages of corn. Our stabilizers work underground, where up to 70% of nitrogen loss can occur.

N-Serve® nitrogen stabilizer works with anhydrous ammonia, while Instinct® nitrogen stabilizer maximizes nitrogen when used with UAN, urea and liquid manure.

Nitrogen When Your Corn Needs It

Corn uses nitrogen in two forms: ammonium (NH4+) and nitrate (NO3–). But it prefers ammonium — because that form is easier for the plant to absorb and less susceptible to loss. But ammonium can’t help your corn if it’s beyond the reach of the plants’ roots during critical growth times. N-Serve® and Instinct® nitrogen stabilizers act to slow down the bacteria that convert ammonium to nitrate, keeping nitrogen in the ammonium form longer. That means it’s there when your corn is ready for it — so your crop can reach maximum yield potential.

51% Less Greenhouse Gas Emissions*

The exclusive Optinyte™ technology found in N-Serve and Instinct reduces denitrification, reducing the escape of greenhouse gases into the atmosphere.

16% Less Leaching N*

N-Serve and Instinct reduce the leaching of nitrates into groundwater by keeping the ammonium form of nitrogen available longer, ready for crop uptake.

6 to 8 More Weeks in the Soil

By extending nitrogen availability in the soil for up to eight weeks, N-Serve and Instinct keep nitrogen available and ready when corn needs it most: during critical growth stages.

28% Greater Soil Retention*

Healthy crops start with healthy soil. N-Serve and Instinct work below the soil’s surface to help retain nitrogen in the soil longer so it’s available when crops need it for maximum growth.

Anhydrous Ammonia (NH3)

Add N-Serve to BOTH spring and fall anhydrous ammonia to get the maximum benefit.† Nitrogen protected with N-Serve can withstand early season moisture events by keeping nitrogen in the ideal ammonium form longer, so it can help maximize your yield potential. †Do not fall-apply anhydrous ammonia south of Highway 16 in the state of Illinois.

UAN (28% or 32%)

Spring rainfall drives nitrogen lower into soil profiles, out of the reach of corn roots. Instinct is easily mixed with UAN fertilizer solutions to protect spring-applied nitrogen applications. Get the max from your UAN applications to get the max yield at harvest.


More Midwest farmers are adopting urea as their nitrogen source for spring, fall and sidedress applications. Instinct allows for easy impregnation onto urea applications. No matter when you apply urea, make sure it's protected so your crops receive the maximum nitrogen when they need it most.

Liquid Manure

Instinct can be easily mixed into the pit prior to liquid manure applications in spring or fall. University of Minnesota research shows Instinct nitrogen stabilizer applied with fall swine manure provided 10- to 12-bushel-per-acre-yield increase and reduced grain moisture by approximately 1.3 percentage point at harvest.1 1Vetsch, J., and J. Lamb. 2011. Applying Instinct™ as a nitrogen stabilizer for fall applied manure.

Increased Yield*

N-Serve and Instinct are proven to increase yield by 5.2% when used with spring nitrogen applications and by 7% when used with fall applications.

Source Corteva Agriscience


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