How to get GPS points to georeference farms and fields
From Wikiagro.com
Coordinate system
All GPS points sent must be in WGS84, so you need to set up your GPS reference system properly.
Examples on how to distribute your GPS points across your farm
These are some examples about how GPS points should be distributed based on the shape, size and distribution of the fields, and the way information should be presented (GPS coordinates and farm sketch)