Clover plantation. In the scene there is a plane 33000x45600mm on which a lawn with a clover plantation is planted as in the preview. Clover density can be edited. The scatters in the scene are off, just turn them on. Per square is off, enable it if necessary. The archive contains a file with configured corona scatter for seating as in the preview.
3ds max 2014, fbx, mtl, mat, textures, screenshots, scatter settings.
Other grass models: https://3dsky.org/3dmodels/show/trava_gazon_1 
https://3dsky.org/3dmodels/show/vesennii_lug_trava 
https://3dsky.org/3dmodels/show/forest_grass 
https://3dsky.org/3dmodels/show/trava_strizhenyi_gazon 
https://3dsky.org/3dmodels/show/polevye_travy_2_trava_1