References and recommended reading:
OSU Extension Fact Sheet PSS-2225. OSU Soil Test Interpretations.
OSU Extension Fact Sheets PSS-2117, Forage Quality Interpretations.
OSU Extension Fact Sheets PSS-2588, Hay Judging.
OSU Extension Fact Sheet PSS-2072, Blister Beetles and Alfalfa.
OSU Extension Fact Sheet ANSI-3981, Managing Grazing of Horses.
OSU Current Report CR-3917, Fescue Toxicity and Horses.
OSU Extension Fact Sheet NREM-2869, Management Strategies for Rangeland and Introduced Pastures.
OSU Extension Fact Sheet ANSI-3920, Body Condition of Horses.
Oklahoma State University Soil, Water, and Forage Analytical Laboratory website at http://www.soiltesting.okstate.edu/
eXtension HorseQuest Learning Lesson: Equine Pasture Management
eXtension HorseQuest Learning Lesson: How to Body Condition Score Horses