Chapter 1: Introduction, Laws and Theories, Nutrient Mobility
Power Point   Power Point 

Chapter 2: Basic Chemistry, Oxidation States, Solubility, Nutrient Demand and Deficiencies.
Power Point (date of last edit, 8-26-20)
Nutrient Deficiency Extension Slide Set DOWNLOAD

Chapter 3: Problems Soils: Acid, Saline and Alkali Soils>
Power Point (9-12-14) Slide 48
     PSS-2239 Cause and Effects of Soil Acidity
      PT-2000-10 Liming
     PT2002-15 Risk of not Liming
     PT2003-08 Limining as Soils
     tOSU Lowering pH
     PSS-2226 Reclaiming Slick Spots

Chapter 4: Basic Soil-Plant Relationships
Power Point

Chapter 5: Nitrogen 
Power Point ( updated slides 43-46 on 10-9-19)    
      Nitrogen Cycle PP
      Calculation guide
      Blank N-Cycle PPT  JPEG

Chapter 6: Sensor Based N Recommendation
Power Point (10-31-13)

Chapter 7: Phosphorus
Powerpoint Slide 24 11/8/13

Chapter 8: Potassium
Powerpoint Slide 
IPNI K Production
KSU Fertility Rec. 
Virtual Mine Tour http://minetour.potashcorp.com/about.html

 Chapter 9. Secondary Nutrients.  Ca, Mg, S
Powerpoint Slide
Sulfur Deposition Video