Dr. Andrew Margenot: The big picture on phosphorus (P)

26:48
Dr. Rabin Bhattarai: Tile depth and spacing

45:52
Dr Andrew Margenot: From soil to crop to water

45:12
Forest Management Plans

45:39
Soybean Management Practices to Increase Yields | Kris Ehler

28:13
Lowell Gentry - Update from Douglas County tile drainage study

42:34
The Simplest Unsolved Problem in Math

2:10:25
Positive JAZZ - Morning Music To Start The Day

27:18