Subtropical Fruit Crops Research & Education
University of California
Subtropical Fruit Crops Research & Education

Soil Testing

The analysis for pH in the results is probably good.  pH is probably the most important chemical property of the soil and knowing that and managing it will solve most nutritional problems found in many California soils.  Nitrogen and potassium would be handled with leaf analysis. 
 
The other thing to note before jumping to the results of a soils report is how the trees look.  Do they look healthy: http://ipm.ucanr.edu/PMG/C107/m107bpleaftwigdis.html
 
And is the irrigation system being managed correctly.  Suspect irrigation problems before nutrient deficiency problems
 
Allan Fulton in Tehama County has put together some good soil testing guidelines:
 

soil sampling
soil sampling

Posted on Friday, March 15, 2019 at 6:21 AM

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