How to use this tool:
Step 1: Enter a user project name under the "Home" tag. If you have a former project, you can also start by upload the project file you saved.
Step 2: Modify field characteristics, such as location, topography, soil, management and climate information. This will be under the project tag.
Step 3: Click the "Run APEX model" button.
Detailed user manual can be downloaded by clicking here.