How to get rid of these white areas - https://www.dropbox.com/s/icsep922xs3n6up/1.png?dl=0
Everything should be covered with grass…
I’m using Short Grass 01 (large) from the library.
This is due to the slope.
Try setting the “Pointing Direction” slider all the way to “Normal”.
Also, adding a texture to the ground might help : https://www.textures.com/browse/grass/238