After all, there is a good argument that the agriculture field will present more compelling problems to solve.
"We are going to be trying to feed 9 billion people by 2050 with the same number of acres of arable land," said Timothy Burcham, dean of agriculture and technology at Arkansas State University. Calling that task "overwhelming," Burcham notes that "the opportunities for a person that has a graduate degree in agriculture are great now, but they are going to be really, really excellent going into the future."
Rogers is factoring the expected rise of the agriculture industry into his investing thesis. "Recently, I've been looking at agriculture stocks," Rogers said. "I've been excited about looking for things to buy in agriculture."
(Read more: Farming equipment: Agriculture gets its own 'Apple v. Windows' battle)
And in a late Wednesday telephone interview from Singapore, Rogers' prediction even took on a personal tone. He advised this writer: "Pursue an agriculture degree, and you'll be rich."