A lettuce thinner manufactured by Ramsay Highlander removes excess seedlings from the field so that others have room to grow. Just one worker is required to operate the machine. Rachel Estabrook hide caption

itoggle caption Rachel Estabrook

"A œGift for the Grangers" was a recruitment poster for the National Grange printed in 1873. Grange membership around this period was estimated by some to be as high as 2 million. Today it'™s less than 200,000. National Grange of the Order of Patrons of Husbandry hide caption

itoggle caption National Grange of the Order of Patrons of Husbandry

A central Illinois farmer plants corn seed into the evening in Farmingdale, Ill. Seth Perlman/AP hide caption

itoggle caption Seth Perlman/AP

The June issue of The Oprah Magazine includes an article with details on Oprah Winfrey's new farm in Hawaii. The Oprah Magazine hide caption

itoggle caption The Oprah Magazine

This "pinkhouse" at Caliber Biotherapeutics in Bryan, Texas, grows 2.2 million plants under the glow of blue and red LEDs. Courtesy of Caliber Therapeutics hide caption

itoggle caption Courtesy of Caliber Therapeutics

Through the City Land Application of Biosolids Program in Geneva, Ill., the fertilizer supplement is provided to local farmers at no cost. City of Geneva/Flickr hide caption

itoggle caption City of Geneva/Flickr

Clucking all the way to the bank: A hen models a polka-dot diaper from MyPetChicken.com, a multimillion-dollar business that sells everything from chicken caviar treats to day-old birds. Courtesy of MyPetChicken.com hide caption

itoggle caption Courtesy of MyPetChicken.com

American farms like this iceberg lettuce field owned by Duda Farm Fresh Foods outside Salinas, Calif., are facing a dwindling supply of farmworkers from rural Mexico. Kirk Siegler hide caption

itoggle caption Kirk Siegler

Cows wait to be milked at a California dairy farm. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Thick jets of processed sewage arc out 30 to 40 feet from giant moving spreaders at Birmingham Farm in Kansas City, Mo. Frank Morris for NPR hide caption

itoggle caption Frank Morris for NPR

Farmers harvest a sugar beet crop in Gilcrest, Colo. Matthew Staver/Landov hide caption

itoggle caption Matthew Staver/Landov