Hello and welcome! Today I realized that the blog has just reached 800 posts (slightly more than 800 by the time you read this.
Here’s the full article the graph to the right hails from–Productivity Growth in Global Agriculture Shifting to Developing Countries. (PDF). The right-hand axis shows agricultural output per worker–most countries in most parts of the world have seen gains in output per worker over the past almost-60 years. The left-hand axis shows output per hectare of land–the sort of improvements you get by adding fertilizer.
If one farmer on one hectare doubled his output, (again, suppose fertilizer) he and his land would move up at a 45 degree angle. If one farmer doubled his output by using a tractor to farm twice as much land, he would move directly to the right on this graph. If the land became twice as productive, and so each individual farmer cut back and farmed half as much land, then you’d see a line heading straight up.
So what do we see? North America and Oceana are producing the most food per farmer. Oceana gets very little food per hectare, though (“Oceana” here means New Zealand and Australia, which has some rather large sheep ranches.)
Northeast Asia–that is, Japan, Korea, and Taiwan, even though Taiwan isn’t really in the north–gets the most food per acre. These are very densely populated countries. Europe hovers in the middle, perhaps having already achieved rather good productivity per acre before the study began and having recently improved more in productivity per farmer.
Africa and South Asia (India and Pakistan?) are notable for trending upward more than rightward–in these areas, improved agricultural production has allowed existing fields to be sub-divided. This suggests that, while population growth is being accommodated, farmers lack the ability to benefit from selling excess produce (hence why they do not bother to farm more than their own families eat) and people are not moving into other, non-subsistence occupations.
Anyway, how are you, my faithful readers? As we celebrate 800 posts, what would you like to see more of in the future? Less of? Any books you’d like to see reviewed or blog features expanded (or contracted)?
I am thinking of collecting and editing some of my best posts into a book; which posts have you enjoyed?
I’d like to thank you all for all of the great and interesting comments over the years; after all, if it weren’t for readers, this blog would just be me shouting into the void. Readers make all of this effort fun.
Have a wonderful day.