Teaching Organic Farming and Gardening

Soil Tests and Amendments

2 | Unit 1.11

Hands-On Exercise:

Reading and Interpreting Soil Analysis Reports, Nutrient

Budgeting, and Selecting Mineral and Organic Matter

Soil Amendments 41

Assessment Questions and Key 43

Resources 46

Appendices

1. Sample (Blank) Soil Analysis Report 49


2. Nutrient Budgeting Worksheets
   (for Demonstration 2 and Hands-On Exercise) 51


3. Example of a Nitrogen Budget
   (for Demonstration 3) 57


4. Nitrogen Budgeting Worksheet Exercise
   (for Hands-On Exercise) 59


5. Supplemental Fertilizers Worksheet
   (for Demonstration 2 and Hands-On Exercise) 61


6. Optimal Nutrient Levels of Major Cations Based on CEC 63


7. Nutrient Content of Common Fertilizers and
   Amendments 65


8. Fertilizer Solutions Chart 67


9. Approximate Pounds/Acre of Nutrients Removed by
   Common Crops 69