Nutrient Management Research Database
General Information
Research Title
Soil Testing for Nutrient Availability Procedures and Interpretation for California Vegetable Crop Production
Research Specifications
Crop: Beet, Broccoli, Cabbage, Celery, Cucumber, Lettuce, Peppers, Potato, Tomato
Soil Type:
State: California
Year: 2007
Authors
T.K. Hartz
Summary/Abstract from Original Source
Research Highlights
Design and Methods
Results
- The paper elaborates on the key components of accurately testing soil nutrient levels, and how to interpret and act on the test results.
- The paper instructs on the following topics:
1) Soil sample collection
2) Sample handling
3) The range of soil analytical methods for N, P, K, Ca, Mg, Na, and micronutrients Zn, Fe, Mn, and Cu.
4) Conversion between test result units.
5) Interpreting test results, including threshold levels that indicate if crops will show yield increases with fertilization.