He couldn't develop new irrigation techniques, invent new machinery, or create new fertilizers.
When a promising new finding emerges, that information will be shared with other farms and those techniques will be tested there.
We apply inefficient agricultural techniques to grow and harvest them, and then we inefficiently distribute them.
Second are the inefficiencies in the human processes—that is, the techniques by which we practice agriculture.
Different techniques could be applied to different plants side by side to constantly be refining agricultural processes.
In areas where Jenner's techniques were available, infections fell, and when inoculation became mandatory, they plummeted.