To install the appstore app, right-click on your turtle to open the GUI, run
pastebin get iXRkjNsG appstore. To install farmwheat, run
appstore get AlSweigart farmwheat.
Farms wheat in a rectangular area in front of the turtle.
This program is used in Chapter 14 of Coding with Minecraft. You can view it at https://turtleappstore.com/book/chapter14.html