
The Power of Radio in Rural America
Radio is one of the most influential innovations in the history of American agriculture. In the early 20th century, long before the rise of television or digital platforms, radio served as the lifeline connecting farmers to the information they needed most. From market prices to weather forecasts, radio broadcasting became the central communication tool for rural America, transforming how farmers worked and made decisions.
The First Agricultural Broadcasts: WHA and WDZ Lead the Way
The roots of agricultural broadcasting stretch back to January 1921, when WHA in Madison, Wisconsin, began delivering weather reports directly to rural communities. This early use of AM radio was a revolutionary step that bridged the gap between scientific data and those who relied on it daily — American farmers.
Only two months later, an Illinois grain dealer launched WDZ, another pioneering radio station. Its mission was simple but powerful: to provide listeners with five-minute grain price updates based on data from the U.S. Department of Agriculture (USDA). Farmers could now plan sales and shipments more effectively, aligning their operations with real-time market information — something previously unimaginable in isolated farm regions.
Radio’s Rapid Expansion and USDA Market Reports
By 1922, just one year after the first broadcasts, 35 radio stations had been authorized to transmit USDA market reports across the country. These broadcasts became essential tools for farmers, cooperatives, and local grain elevators. Radio allowed producers to respond quickly to shifting market conditions, giving them a competitive advantage in an increasingly modern agricultural economy.
This rapid expansion proved the enormous value of communication technology in agriculture. For the first time, information could travel as fast as the markets themselves — and rural America began to feel less isolated, more informed, and more empowered.
Radio’s Lasting Legacy in Agriculture
The relationship between radio and American agriculture has endured for more than a century. From the first AM transmissions to modern agricultural podcasts and satellite radio, the spirit of those early broadcasts lives on. Farm radio programming continues to provide vital updates, policy discussions, and educational content to producers across the country.
These early efforts laid the foundation for the National Association of Farm Broadcasters (NAFB) and the USDA’s Agricultural Communications Network, which still serve farmers today. What started as five minutes of market news has evolved into a global ecosystem of ag-focused communication.
A Message from Mark Oppold
As Mark Oppold reminds us in American Agriculture History Minute, radio’s role in rural America cannot be overstated. It wasn’t just about broadcasting—it was about connecting farmers, spreading knowledge, and strengthening communities.
The invention of agricultural radio proved that technology could unite people across distances and empower them with the tools to thrive. From 1921 to today, the voice of agriculture continues to be heard loud and clear across America’s airwaves.
I’m Mark Oppold, with an American Agriculture History Minute.










