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Experiences are described for the application of the aerosol formulations of CIPC [isopropyl N-(3-chlorophenyl)carbamate] to potato storages. Initially, the application was developed as an “art”. Mass balance typically accounted for only a small fraction of the CIPC that was used in the application. A mass balance model for a storage application is described. A mathematical model was developed and is presented. This model calculates an estimate of the amount of CIPC in the vented aerosol and the amount of CIPC in the air of a storage.
Putting typical “old” application conditions into the model gave estimates for the amount of CIPC on the potatoes that showed reasonable agreement with the field experience. The model was used to evaluate other possible operating conditions that might increase the amount of CIPC on the potatoes. Application conditions to assure validity of the model are listed. The model's predictions were used to select the application conditions that are used in current commercial practice.
CIPC, isopropyl N-(3-chlorophenyl)carbamate, inhibitor, potato, formulation, aerosol, thermal, storage, application, model, mass balance
Senior Project Leader, The Scotts Company, Marysville, OH