How to add a Mesh to a Curve?

Support Particles and Physics Simulations
1

File
Grass.blend (1.4 MB)
I have Node with grass animation and physics

ree
ree1325×832 181 KB

I want to add objects so that they react the same way as grass.
But when I tried to do this I got this
ewww
ewww1329×856 210 KB

How to do this correctly?