Regional Labs - Plant and Soil Analysis
| Lab Contact | National Quality Assurance Program | Homeowner Test Suggestion † | Farmer Test Suggestion |
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†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.. |
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| Inter Ag Services Laboratory 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 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. 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 |
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USUAL 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 |
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Ward Laboratories 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. |
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Dellavalle Laboratory, 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 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 |
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Analytical Sciences Laboratory University of Idaho Holm Research Center 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 |