The price of peanuts in China—

When you're thinking about neohybrid hazels as a "crop"; it's a really good idea to starting learning about nut crops around the world.  At the moment; what happens to one crop, anywhere, is likely to affect almost all other nut crops, everywhere.  A good example; the peanut crop in China may be the lowest on record- due to drought in the interior.

http://www3.nhk.or.jp/nhkworld/english/news/features/201410161322.html

It's also good to see, and learn, what an "industry" is--