I know of multiple groups (usually extended families) that have microwave radio links between their farms. They use this to monitor each-other's grain bins, crops, and security cameras. Not to mention WiFi To The Tractor for monitoring, IM, etc. There's no cell coverage so they find a way to get connectivity. I'd call that pretty internet tech savvy.
This is a large enough market that there's a company that essentially rebrands Ubiquiti radios, marks them up 100%, and markets them through farm magazines. I suppose in a way that's arbitrage on ignorance BUT it shows that there's a need.
You're saying they are tech savvy, but not internet savvy. If you are right (and I disagree that they're 'not internet savvy') then you've identified an opportunity, not a blocker.
This is just not true, or, at least, it's only true where inefficient farming practises are propped up by subsidies and protectionism.
A modern farm is a hot-bed of innovation and my initial thoughts about FarmLog is that they're far far too late to the game. This was already discussed at http://news.ycombinator.com/item?id=5118984 but I'll duplicate my comment here:
"So, the problem with the SaaS model is that selling to farmers is a lot like selling to a demanding enterprise customer. They know what they want, they have specific requirements and the benefits of a well-matched solution will pay for itself. That isn't, generally, where you want to be if you're looking to scale out a SaaS platform."