First off, I think you'll have difficulty measuring the effects of your driving until you can get real-time mpg feedback. I tried all sorts on my last car which didn't have any instrumentation - current car has a mpg readout as standard and there's really no substitute for it.
I don't have a land rover- but I can offer what I've found out on my 1.4 TDI vw engine. And that is a light touch on the accelerator, drive as slowly as you dare and keep to a constant speed. It can help to let the car slow going uphill, then take advantage of gravity going down the other side. I keep revs 1500-2000rpm.
I've tried the pulse and glide and it did not help on a TDI! It also happens to be impractical IMO here in the UK. Traffic is too dense and most other drivers expect you to go as fast as possible. Don't know where they get their cheap fuel
