Getting the correct amount of seed planted with a grain drill requires calibrating the drill before planting begins. Jim Johnson, Noble Research Institute soils and crops consultant, demonstrates step-by-step how to perform this calibration and the calculations required to determine accurate seed output.
Dr. Charles Rohla, pecan researcher at Noble Research Institute, demonstrates a four-flap (or "banana") graft on a pecan tree seedling.
Dr. Charles Rohla, pecan researcher at Noble Research Institute, demonstrates a Texas inlay bark graft on a pecan tree seedling.
Why do you need to take a soil sample? How do you take a good soil sample? How often do you need to sample?
In this educational video, Mike Porter discusses characteristics of some of the most common snakes found in Oklahoma, with a special emphasis on species living in the south-central part of the state. Porter shows photos and gives tips to recognize many species as well as visual clues to help differentiate venomous and non-venomous snakes.