Choose Edit -> Projects from the menu
and create a new project by clicking the
button. Now click on button
to enter the project name "Agricultural survey". After entering the name
the project will automatically be saved and the display will be updated (see below).
Change to tab "Descriptor tree", mark
project "Agricultural survey" in section "Descriptor tree" and
press button
to insert a new tree. Change the tree name to "Main tree for Agricultural survey"
and click button
to save all changes (see below).