G'day and interesting question that is quite close to home for us. We have a 25 acre property that we are designing to be 'big'. That is we are establishing systems across it in a scaled microcosm of what might be applicable on a larger holding and these include:
* Various dam/pond styles - ie. ridge, contour, valley, sump and turkey's nest
* Keyline flood
irrigation and K-line portable sprinkler irrigation
* Wide spaced mixed species tree crops, orchards and forestry
* Pasture cropping
* Management intensive planned grazing
* Polyface-style 'IntegriPasture' systems
* Open accounting to show that the agricultural systems are not dependant on outside income sources, such as consulting or education and can stand on their own two feet
* Fencing systems that are applicable at any scale.
* Keyline and Holistic Management Soil renovation and regeneration systems
And so on. Getting access to larger properties is expensive especially if you want to own it and for us no debt was more important than getting the big dream chunk of land. We've had a number of larger landholders come to our place and get the picture on how scalable our various systems are which has been pretty gratifying as this confirmed my intention...Asides in a hour or two on foot we can get around the place and farmers like that too!
All the best,
Darren