Auburn University

Tennessee Valley Authority

Doris H Ash

Shelby Davis Worley

Joe Gautney

The invention described herein comprises two principal embodiments. The first embodiment comprises operating procedures related to the instant invention which along with urease inhibition test results demonstrate the use of two classes of N-Halamine compounds (N,N'-DIHALO-2-IMIDAZOLIDINONES and N-HALO-2-OXAZOLIDINONES) as inhibitors of the activity of the enzyme urease in solution and agricultural soil systems. The second embodiment comprises operating procedures related to the instant invention which along with nitrification inhibition test results demonstrate the use of the two classes of N-Halamine compounds (N,N'-DIHALO-2-IMIDAZOLIDINONES and N-HALO-2-OXAZOLIDINONES) as inhibitors of nitrification in agricultural soil systems.

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Florence, AL, United States of America

Doris H Ash