February 11, 2002
Memo To : Rodney Henderson
From : J Stevens
Re: SAR and Alkalinity Ratings and Interpretations for Irrigation Water Samples
Test
SAR
Alkalinity
SAR Index
V. Low
Low
Med
High
V. High
5
5 – 10
11- 18
19- 26
27
25
25 – 50
51 – 200
201 – 400
401
15
15 – 35
35 – 50
51
Don’t know if we need to use the SAR Index, just thought I’d throw that in for your use, if needed.
Let’s use the SAR and Alkalinity .