Systems and methods for supporting fertilizer decisions are provided. The systems and methods may be configured to receive data relating to the application of a liquid fertilizer to a field having a number of rows. The data may include at least one fertilizer characteristic and yield data relating to each row of the number of rows. The systems and methods may be configured to receive a request from a user to analyze the data. The systems and methods may be configured to compare the at least one fertilizer characteristic and the yield data for each row of the number of rows. The systems and methods may be configured to communicate the results of the comparison to the user.