Terrain Editing Tutorial: Terrain Base Fields cultivator_density for Farming Simulator 17 (FS17) by PMC.
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HOWTO create base fields for your FS17 terrain. You create cultivator_density image by painting in GIMP or in Giants Editor FS17. Never ever use any other image editing tool than GIMP.
Giants Editor (GE) terrain foliage paint mode, this is the last of the modes in main GE header icons.
Channels 0, 1, 2, and 3 define the type of terrain detail you're painting. These are exclusive channels, meaning that you should enable only one of them at a time.
Foliage channels for the terrainDetail layer:
0, Cultivated land
1, Ploughed land
2, Seeded/planted land
3, Seeded/planted potatoes
Channels 4 through 6 aren't exclusive; you can mix them with each other as well as any of the other channels.
Control channels for the terrainDetail Foliage Layer:
4, Sprayed/fertilized land
5, Rotate detail texture 45 degrees clockwise
6, Rotate detail texture 90 degrees
5+6, Rotate detail texture 45 degrees counter clockwise
LMB paints, RMB erases.
See also various GIMP cultivator_density, fruit_density and road painting tutorials from Terrain Editing Tutorial FS19 page.