Regional Labs - Plant & Soil Analysis

Lab Contact National Quality
Assurance Program
Homeowner Test
Suggestion †
Farmer Test
Suggestion
†Â  Refers to what is found on the lab's list of tests offered to clients.
‡ Quality Assessment Program. The North American Proficiency Testing (NAPT) Program (a program of the Soil Science Society of America - https://www.soils.org/) assists soil, plant and water testing laboratories in their performance through inter-laboratory sample exchanges and a statistical evaluation of the analytical data. Performance Assessment Program (PAP) is a voluntary program offered as a service of the Soil Science Society of America (SSSA), Madison, WI, and operated as a part of the North American Proficiency Testing program (NAPT), and is administered by the NAPT Oversight Committee..
Inter Ag Services Laboratory
IAS Lab Website
2515 E. University Drive
Phoenix, AZ 85034
602-273-7248
‡ NAPT Soil and Plant Program Complete with Crop Specific Recommendations; Water soluble Ca, Mg, K, and Na; Olsen (Bicarbonate) P. Complete with Crop Specific Recommendations; Water soluble Ca, Mg, K, and Na; Olsen (Bicarbonate) P.
Servi-Tech Laboratories-Amarillo
ST Lab Website
6921 S. Bell Ave.
Amarillo, TX 79109
806-677-0093
NAPT Soil and Plant Program Lawn & Garden Soil Analysis Golf Course and Athletic Turf Analysis and Soil Salinity Appraisal Soil Salinity Appraisal, Row Crop Test
Colorado State Univ.
CSU Website
Soil, Water & Plant Testing Lab Campus Delivery 1120 NESB Room A319 Fort Collins CO 80523-1120
970-491-5061
PAP, NAPT Soil program 4X/yr Routine and SAR Routine and SAR
USUAL
USU Lab Form
After May 1, 2012:
USUAL 9400 Old Main Hill Logan UT 84322
435-797-2217
PAP/ NAPT Soil, Plant, Water and Environmental Soil Program Complete Complete
Ward Laboratories
Ward Lab Website
4007 Cherry Ave
Kearney, NE 68848-0788
800-887-7645
NAPT Soil, Plant and Water Program S4, Salinity/Sodium Evaluation (SAR), Walkley-Black OM, Olsen (Bicarbonate) P. S4, Salinity/Sodium Evaluation (SAR), Walkley-Black OM, Olsen (Bicarbonate) P.
Dellavalle Laboratory, Inc.
DL Inc. Website
1910 W. McKinley Ave.
Suite #110
Fresno, CA 93728
800-228-9896
PAP / NAPT Soil, Plant and Water Program FA2 Sodium & Salinity Assay, Gypsum Requirement FA2 Sodium & Salinity Assay, Gypsum Requirement
Western Laboratories
Western Lab Website
211 HWY 95 Parma, ID 83660
1-208-722-6564
PAP / NAPT Soil, Plant and Water Program FA2 Test 70 Garden Test FA2 Test 1 (Ag) Complete Soil Test
Analytical Sciences Laboratory
University of Idaho
Holm Research Center
AS Lab Website
2222 W. Sixth St.
Moscow, ID 83844-2203 Phone: 208-885-7900
PAP / NAPT Soil and Plant Program FA2 SNMP or SEFT; SOML; SELC; SGRQ; SNMS; SCCE FA2 SNMP or SEFT; SOML; SELC; SGRQ; SNMS; SCCE