Creating Realistic Grass in Blender
cgcookie.com/blender/2012/09/20/creating-realistic-grass-in-blender
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
This blender tutorial is meant to teach you how to create and add grass to whatever scene you need, by showing you a simple and fast technique.