Topics included in the PPI Soil Fertility Manual (SFM) are addressed through presentations on this CD (Windows Media Player Format). Originally recorded in VHS format, the presentations by PPI/PPIC scientific staff follow the general subject sequence of the current SFM.

Topics on the CD include:

• Concepts of Soil Fertility and Productivity

• Soil Reaction and Liming

• Nitrogen

• Phosphorus

• Potassium

• The Secondary Nutrients

• The Micronutrients

• Soil Testing, Plant Analysis, and Diagnostic Techniques

• Fertilize for Profit

• Plant Nutrients and the Environment

(These presentations are also available on VHS... email circulation@ppi-far.org for further details.)