Although organic food can cost more, you may be able to save money by shopping around.
Many people buy organic food because they are worried about the environment.
But organic food can be hard to find, and it often costs more.
There was an increase in companies with organic foods at the show.
Sales of organic food reached $3.5 billion in 1996, and have increased 20 percent a year since 1990.
"I think people choose to buy organic food because they don't use all those things."
Their main source of 'income' is the organic food they grow themselves.
Whenever possible, it's also a good idea to buy organic food.
But there are other good reasons to buy organic food.
It is more important, they say, to support local agriculture than to eat organic food.