America's Heartland


Season 7 Episode 21 | 26m 46s

Examine the smartphone's potential for farming as Illinois folks explain how technology could benefit crops in third-world nations. Then, explore the story of how soybeans became a prevalent part of our diet and travel to California to harvest a glowing white crop of salt.

Aired: 01/24/12

Rating: NR

Video has closed captioning.

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