Videos
2016 Archive
Fall Armyworms: Identification, Damage Indications and Control
If left untreated, fall armyworms (Spodoptera frugiperda) can destroy a pasture or field of crops in a very short time. James Locke, soils and crops consultant, shows you how to identify the fall...
How to Sample Forage for Haying or Grazing
Forage sampling in a standing pasture allows us to get a feed value estimate of forages that will be fed to livestock. Pasture and Range Consultant Hugh Aljoe demonstrates two forage sampling methods...
How to Take a Pecan Leaf Test
It is critical to accurately measure the nutrient needs of pecan trees for successful orchard management. Leaf tissue can serve as an indicator of both limiting and excess nutrients. Charles Rohla,...
Making a Cloud with Liquid Nitrogen
What happens when 200°F water meets –321°F liquid nitrogen? A big boom and instant clouds! Frank Hardin, Ph.D., from Noble Academy demonstrates the explosive effect with a tub holding several liters...