Horticulture
Banana
Citrus
Grapes
Mango
OilPalm
Chaman
User Added Content and Layers
Use the following options to select and right click to finish -- Draw a Point -- Draw a Line -- Draw a Polygon -- Edit/Modify   Line,Polygon
Please select for undo and for redo the current drawing.
Click on Line/Polygon to know Length/Area.