Color image of a farm worker adjusting GPS equipment inside the cab of a planter, June 25, 2009. Used courtesy of the United Soybean Board.

Farm worker adjusting GPS equipment

A farm worker adjusts GPS equipment inside the cab of a planter, June 25, 2009. Used courtesy of the United Soybean Board.

Precision Agriculture

Precision agriculture is a farming method that uses the global navigation satellite system (GNSS), sensors on the ground, and drones in the air to study individual farm fields. With these tools, farmers can fine-tune their approaches to planting, harvesting, and maintaining crops to save themselves time and money. Minnesota farmers have used the technology since the early 1990s to improve crop yields while protecting the health of their soil.

Color image of a Soybean aphid on a soybean leaf with pointy trichomes, 2009. Photographed by Claudio Gratton, University of Wisconsin.

Soybean aphid

Soybean aphid on a soybean leaf with pointy trichomes, 2009. Photographed by Claudio Gratton, University of Wisconsin.

Color image of a corn root worm inside the tassel of a corn plant. U.S. Department of Agriculture, 2003.

Western corn rootworm

A corn root worm inside the tassel of a corn plant. U.S. Department of Agriculture, 2003.

Diagram of a grasshopper hatching. Published in University of Minnesota Extension Bulletin 194, revised June 1940.

Diagram of grasshopper hatching

Diagram of a grasshopper hatching. Published in University of Minnesota Extension Bulletin 194, revised June 1940.

Black and white photograph of highway trucks delivering grasshopper poison to farmers, 1938.

Highway trucks delivering grasshopper poison

Highway trucks delivering grasshopper poison to farmers, 1938.

Black and white photograph of WPA crew mixing grasshopper bait for distribution to farmers, State Highway Maintenance Shops at Hopkins, 1937.

WPA crew mixing grasshopper bait

WPA crew mixes grasshopper bait for distribution to farmers, State Highway Maintenance Shops at Hopkins, 1937.

Black and white photograph of WPA workers with grasshopper bait for distribution to farmers, 1937.

WPA workers with grasshopper bait

WPA workers with grasshopper bait for distribution to farmers, 1937.

Black and white photograph of Rachel Carson, biologist, conservationist, and writer, ca. 1930s.

Rachel Carson

Rachel Carson, biologist, conservationist, and writer, ca. 1930s.

Black and white photograph of grasshoppers waiting for the temperature to rise before moving into a corn field in Marshall, Minnesota, ca. 1930s.

Grasshoppers waiting for the temperature to rise

Grasshoppers waiting for the temperature to rise before moving into a corn field in Marshall, Minnesota, ca. 1930s.

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