Additional Research:
1. DuPont Renewably Sourced Materials Report - I learned how DuPont uses separation, fermentation and chemistry to create high performance crops.
No Author, No Date, Retrieved from: http://www2.dupont.com/Renewably_Sourced_Materials/en_US/assets/DuPont_Renewably_Sourced.pdf
2. The Science of Hybrid Crops - This article explains the history of hybrid crops.
Reinhart, K. (2003) Living History - Science of Hybrid Crops. Retrieved from: http://www.livinghistoryfarm.org/farminginthe30s/crops_03.html
