Now I'm not wanting to be seen agreeing with Dan here (I couldn't put up with all of the shit
) but what are you suggesting Shannow? That we stop farming all together because it's inefficient? It kind of makes sense to me (based on that article alone, mind you) that if the big farms can do it *more* efficiently than the smaller ones then getting rid of the smaller ones (and letting the bigger ones take over the land) might be a good thing (in terms of economy and environment at least, which seems to be where you're coming from).
Not so good for the individual farmer, mind you.
Look at the "evolution" of farming.
It was agriculture that allowed us to form a society. Agriculture gave more energy as food than it took to produce, allowing leisure time, which in turn allowed civilisation.
Beast of burden further improved the energy balance.
Farming was essentially "solar powered", as that's where the excess energy came from.
Then we had the industrial revolution, and developed mechanised farming methods. These
seem more efficient, because a hundred acres can be plowed by one guy with a tractor.
However western farming and food production uses five times as many calories than the food that makes it to the table. That's a huge negative energy balance that can only be maintained while there is cheap oil (or oil at all).
The large farms appear more productive or viable because they are using the capital of a diminishing resource, at 20% efficiency rather than over 100%. Howard's suggestion that we can import our food adds more oil to the cost. We'd get five times the food "mileage" if we ate oil.
When oil prices rise, food prices will too. When oil runs out (it has to if it's finite), and farming is totally reliant on oil, there may not be enough time to re-establish small regional farming and distribution before there are mass food shortages.
Growing fuel for farming with a 20% efficiency means that nearly 5 times as much arrable land is required than currently farmed to supply fuel for the land that currently feeds us (not quite, but I hope that you get the drift).
My point was that the larger "sustainable" farms are inherently unsustainable, and economists pointing us to bigger "more efficient" farms is fine, as long as ALL of the inputs are taken.
I don't know what the answer is other than everyone having a hectare or two, and producing what they are good at, and trading with neighbours...dunno.
By the way, there used to be, globally, around 6 months supply of grain stored. There was sufficient that if an entire crop failed, there would be enough food for another to be planted (in the other hemisphere) without impacting the food supply. Due to the market at work, it's less than a month now.