An apiary on the outskirts of Chengdu, China, produces about 440 pounds of honey a day. American honey importers say they suspect the uptick in honey coming from Turkey actually originated in China. Liu Jin /AFP/Getty Images hide caption

itoggle caption Liu Jin /AFP/Getty Images

A tiny selection of the flavor compounds in pumpkin and pumpkin-pie spices is enough to make our brain think, "Ah, pumpkin pie!" when we drink a pumpkin pie latte. Ashley MacKinnon/Flickr hide caption

itoggle caption Ashley MacKinnon/Flickr

A global positioning receiver on the top of a combine harvester at a farm in Warwick, Md., in June. The equipment uses sensors and computers to help drive the combine along the route where the crops were planted, judge the composition of a crop and generate crop yield reports. Brendan Smialowski/AFP/Getty Images hide caption

itoggle caption Brendan Smialowski/AFP/Getty Images

These wooden tokens are handed out to shoppers who use SNAP benefits to purchase fresh produce at the Crossroads Farmers Market near Takoma Park, Md. Customers receive tokens worth twice the amount of money withdrawn from their SNAP benefits card — in other words, they get "double bucks." Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Pinatas are among the new generation of club apples — varieties that are not just patented, but also trademarked and controlled in such a way that only a select "club" of farmers can sell them. Stemilt Growers LLC hide caption

itoggle caption Stemilt Growers LLC

Sourdough loaves made by Fromartz with a bolted white flour from Anson Mills in South Carolina that he says reminded him of the wheat he'd tasted in southern France. Samuel Fromartz hide caption

itoggle caption Samuel Fromartz

Corn farmer Jerry McCulley sprays the weedkiller glyphosate across his cornfield in Auburn, Ill., in 2010. An increasing number of weeds have now evolved resistance to the chemical. Seth Perlman/AP hide caption

itoggle caption Seth Perlman/AP

Pine nuts aren't farmed; they're harvested from forests. The nuts are hidden inside the cones of certain species of pine, such as this pinyon in Utah's Fishlake National Forest. Scott Smith/Corbis hide caption

itoggle caption Scott Smith/Corbis