IO
True, I had never seperated out a grass take off from a short field take off, in my mind, but yes you lift the nose up earlier and use ground effect on a grass strip take off.
FREDACheck
For me Middelburg was the worst field to spot from GoogleEarth
http://maps.google.co.uk/maps?hl=en&ie=UTF8&ll=51.515233,3.714366&spn=0.041662,0.1112 37&t=k&z=14. Didn't make it out there last year due to fog, but hopefully this year...