In order to do that, please follow the steps below: 

1. Log in with your personal credentials on the Valenco IoTUI Website.

2. On the top right corner please click on the button "Settings".

3. In the menu on the left side, please click on "trial information".

4. Here you can enter your trial ID or a Sensor ID. Alternatively, you can search for your trial via the list. 

5. Once you have successfully found your trial/sensor, a menu on the right should open up where you can select a new crop type for it from a drop-down menu.