N-FACT is an ongoing project developed to help users understand, forecast, and evaluate cropping systems performance. Predictions will be updated as new information becomes available. The project investigators and Iowa State University are not responsible for user outcomes. Information from this website can be used in presentations without further permission if used in its entirety and credit is given to the Iowa Nitrogen Initiative. However, we encourage you to inform the project directors. Information from this website cannot be used in publications or other model improvement activities without permission of the project investigators.