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Agricultural scientists study all aspects of living organisms and the relationships of plants and animals to their environment. They conduct basic research in laboratories or in the field. They apply the results to such tasks as increasing crop and animal yields and improving the environment. Some agricultural scientists plan and administer programs for testing foods, drugs, and other products. Others direct activities at public exhibits at such places as zoos and botanical gardens. Agricultural engineers apply engineering principles to the food and agriculture industries. They design or develop agricultural equipment and machines, supervise production, and conduct tests on new designs and machine parts. Some agricultural scientists are professors at colleges and universities or work as consultants to business firms or the government. Others work in technical sales and service jobs for manufacturers of agricultural products. There are approximately 15,480 animal and soil and plant scientists and 2,590 agricultural engineers in the United States.
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