But the biggest changes recently have come in farm machinery.
Too much water also can limit access to the land, particularly by farm machinery.
Most new industry were based on food processing or farm machinery.
"That is where I store my stock of farm machinery," he said.
Old Joe starts out once in a while to buy her a present and brings home some new kind of farm machinery.
A piece of farm machinery was thrown over 200 yards in this area.
Farm machinery is used better on larger farms and needs fewer workers.
The collection of operating farm machinery is on display throughout the summer.
Farm machinery can cause serious injury, so farmers must be careful.
They are also used in farm machinery and industry.