America's Heartland

America's Heartland

1001 (10x1)


Uitzenddatum: Sep 09, 2014

Sarah Gardner takes you to North Dakota where scientists are developing new kinds of sunflower seed snacks. Akiba Howard profiles research on building a better tomato. Jason Shoultz reveals how entire lines of seed stock are protected at the National Seed Bank. Stephanie O’Neill discovers how researchers in California and Pennsylvania work to improve soil for better crops.

  • in première gegaan: Okt 2005
  • Afleveringen: 233
  • Volgers: 2
  • Afgelopen
  • PBS
  • Zondag op 16