Farm Progress

Variable rate agriculture depends on data.Historical data helps establish patterns and management zones.Data help producers make management decisions.

Ron Smith 1, Senior Content Director

January 17, 2013

1 Min Read

Before widespread adoption of mechanical agriculture, farmers paid more attention to specifics such as seeding and fertility.

“Variable rate agriculture gets back to that. It is more specific,” says Billie Scott, Wylie Sprayers Inc., equipment specialist.

Scott, speaking at the Ag Technology conference in Commerce, Texas, last December, said variable rate agriculture saves money. “Farmers apply more where they need and less where they don’t.”

Variable rate agriculture depends on data, either historic or real-time. “Map-based technology can provide an accurate prescription map,” Scott said. “Sensor-based technology offers real-time data from sensors to apply (specific amounts of seed or other materials) as farmers go through the fields.” Sensors include units such as GreenSeekers and others.

Scott said historical data from a farm helps establish patterns and identify productive and less productive zones within fields. Soil tests, yield monitors and Veris machines also provide data to help develop prescription programs for individual crops, fields and management zones.

Data derived from these and other sources help producers make management decisions, he said. “Decisions depend on a specific farm and management techniques. But it works for various size farms. Custom applicators use variable rate technology.

“It works,” Scott said.

About the Author(s)

Ron Smith 1

Senior Content Director, Farm Press/Farm Progress

Ron Smith has spent more than 40 years covering Sunbelt agriculture. Ron began his career in agricultural journalism as an Experiment Station and Extension editor at Clemson University, where he earned a Masters Degree in English in 1975. He served as associate editor for Southeast Farm Press from 1978 through 1989. In 1990, Smith helped launch Southern Turf Management Magazine and served as editor. He also helped launch two other regional Turf and Landscape publications and launched and edited Florida Grove and Vegetable Management for the Farm Press Group. Within two years of launch, the turf magazines were well-respected, award-winning publications. Ron has received numerous awards for writing and photography in both agriculture and landscape journalism. He is past president of The Turf and Ornamental Communicators Association and was chosen as the first media representative to the University of Georgia College of Agriculture Advisory Board. He was named Communicator of the Year for the Metropolitan Atlanta Agricultural Communicators Association. More recently, he was awarded the Norman Borlaug Lifetime Achievement Award by the Texas Plant Protection Association. Smith also worked in public relations, specializing in media relations for agricultural companies. Ron lives with his wife Pat in Johnson City, Tenn. They have two grown children, Stacey and Nick, and three grandsons, Aaron, Hunter and Walker.

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