 The Red River Farm Network. After 32 years in the industry, Bayer Crop Science Crop Protection Technical Development Representative Kevin Thorsness plans to retire later this year. Red River Farm Network Farm Broadcaster Tyler Donaldson has more. The 90s saw some big changes in genetics and chemistries, giving farmers new tools to use for combating crop diseases. So the production has changed a lot. With that, it's been some wonderful technology that's come to the market.