FERTILIZERjl1de
FG 74
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Reprinted March 1997
A List of
Analijtical LaboratoriEs
SErving OrEgon
J. Hart
Soil testing and plant analysis aid commercial growers,
gardeners, and homeowners in making decisions about
fertilizing or applying soil amendments. This fertilizer guide
lists a variety of laboratories serving Oregon, and provides
specific information about laboratory services.
To compile this list, the OSU Extension Service requested
information from labs providing services for Oregon and
adjacent areas. OSU Extension Service makes no endorsement by listing a laboratory; conversely, omission of a
laboratory does not indicate that it's unsuitable. Another
source for locating commercial laboratories is the yellow
pages of your local telephone directory.
Before submitting material to a lab, pay attention to the
following guidelines:
Be sure the test you request is the right one to answer your
question. Nutrients aren't the only factor for successful
crop production, so a soil test may not tell you why your
plants don't grow. Ask a county agent or other agriculture
professional which tests you may need.
The goal of a soil or tissue test is a fertilizer recommendation. Fertilizer recommendations are based on soil/tissue
tests that follow a set procedure or recipe. For example,
OSU fertilizer recommendations are based on procedures
used in OSU's Central Analytical Laboratory. Many labs
say they use "comparable" procedures, but they may not.
A laboratory that uses a procedure different from
5
most likely will give a different fertilizer recommendation.
Before sending samples, call the lab to inquire about costs
and shipping instructions. For example, soil samples to be
tested for mtrate-nitrogen should be refrigerated or dned
rather than sent moist at room temperature
Beware of low prices. Laboratory procedures cost money
to perform. A lab quoting a low price usually analyzes a
OREGON STATE UNIVERSITY
EXTENSION
SERVICE
few elements and estimates the others. You do not want
estimatesmake sure you obtain results from analytical
work.
For information on taking soil samples, see EC 628, How
to take a soil sample. . .and why.
Laboratories wishing to be added to this list may contact:
John Hart, Extension Soil Science Specialist
Department of Crop and Soil Science
Ag & Life Sciences Building 3017
Oregon State University
Corvallis, OR 9733 1-7306
541-737-5712
This list will be revised regularly.
A list of laboratories approved by the Oregon Health
Division for drinking water analysis can be obtained by
contacting the Oregon Health Division, Drinking Water
Systems, P.O. Box 14450, Portland, OR 97214-0450, or
calling 503-731-4010 or 503-731-4009.
For additional copies of this publication, visit your local
county office of the OSU Extension Service, or contact:
Publication Orders
Extension & Station Communications
Oregon State University
422 Kerr Administration
Corvallis, OR 9733 1-2119
541-737-2513
John Hart, Extension soil scientist, Department of Crop and Soil
Science, Oregon State University
Produced and distributed in furtherance of the Acts of Congress of May 8 and June 30, i9i4. Extension work is a cooperative program of
Oregon State University, the U.S. Department of Agriculture, and Oregon counties. Oregon State University Extension Service offers
educational programs, activities, and materialswithout regard to race, color, religion, sex, sexual orientation, national origin, age, marital
status, disability, and disabled veteran or Vietnam-era veteran statusas required by Title VI of the Civil Rights Act of 1964, Title IX of the
Education Amendments of 1972, and Section 504 of the Rehabilitation Act of 1973. Oregon State University Extension Service is an Equal
Opportunity Employer.
Analyses
Area
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Plant
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Tissue Feed Services
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Laboratory
A & L Western Agricultural Laboratories .......
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1311 Woodland Ave., Suite 1
Modesto, CA 95351-4732
209-529-4080 FAX 209-529-4736
Portland Office
10220 SW Nimbus Ave., Bldg. K-9
Portland, OR 97223
503-968-9225 FAX 503-598-7702
AGRI-CHECK,
Inc ...................................................
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323 Sixth Street
P.O. Box 1350
Umatilla, OR 97882
541-922-4894 or 800-537-1129
Agri-Test, Inc .......................................................
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2043 Kimberly Road
P.O. Box 4
Twin Falls, ID 83303-0004
208-734-2303 or 800-632-0842
Analytical Laboratory and Consultants, Inc.
361 W. 5th Avenue
Eugene, OR 97401
541-485-8404 or 800-262-5973
Basin Agri-Serve .................................................. SW
22109 Stateline Road
P.O. Box R
Merrill, OR 97633
541-798-5112 FAX 541-798-5114
Braun Intertec Northwest, Inc...........................
5405 N. Lagoon
P.O. Box 17126
Portland, OR 97217-0126
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503-289-1778 FAX 503-289-1918
Brookside Laboratories, Inc...............................
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308 S. Main Street
New Knoxville, OH 45871
419-753-2448
Cascade Analytical, Inc .......................................
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3019 G.S. Center Road
Wenatchee, WA 98801
509-662-1888
Century Testing Laboratories, Inc ....................
P.O. Box 1174
Bend, OR 97709
541-382-6432
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CH2MHill ............................................................
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Redding Environmental Laboratory
5090 Caterpillar Road
Redding, CA 96003
916-244-5227
Coffey Laboratories, Inc .....................................
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12423 NE Whitaker Way
Portland, OR 97230
503-254-1794 FAX 503-254-1452
DataLab ............................................................... E
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Route 1, Box 129
Colfax, WA 99111
509-397-3478
Dellavalle Laboratory, Inc..................................
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1910W. McKinley, Suite 110
Fresno, CA 93728-1298
209-233-6129
soillab@aol.com
Food Products Laboratory, Inc..........................
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12003 N.E. Ainsworth Circle
Portland, OR 97220
503-253-9136
Harvey Laboratories ...........................................
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P.O. Box 686
Patterson, CA 95363
209-892-9661 or 209-525-0408
KDHS Analytical Service ....................................
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P.O. Box 249
Bay City, OR 97107
503-377-2250
Kuo Testing Laboratories, Inc ..........................
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337 SouthFirst Avenue
Othello, WA 99344
509-488-0112 .FAX 509-488-0118
Laucks Testing Laboratory ...............................
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940 South Harney Street
Seattle, WA 98108
206-767-5060 FAX 206-767-5063
Neilson Research Corp .......................................
245 S. Grape Street
Medford, OR 97501-3 123
541-770-5678
Northwest Agricultural Consultants .................
2545 West Falls
Kennewick, WA 99336
509-783-7450
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Laboratory
Oregon State University
Central Analytical Laboratory .............................E
Ag & Life Sciences Bldg. Rm. 3079
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Corvallis, OR 9733 1-7306
541-737-2187 FAX 541-737-5725
Soil
& Plant Laboratory, Inc
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P.O. Box 1648
Bellevue, WA 98009-1648
206-746-6665 FAX 206-562-9531
Soiltest Farm Consultants, Inc............................
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2925 Wapato Drive
Moses Lake, WA 98837
509-765-1622
Stukenholtz Laboratory, Inc
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Addison Avenue East
Box 353
Twin Falls, ID 83303-0353
208/734-3050 or 800/759-3050
FAX 208-734-3919
University of Idaho
Analytical Sciences Laboratory
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Hoim Research Center
Moscow, ID 83844-2201
208-885-7081
USAg Analytical Services, Inc............................. .
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1320 E. Spokane Street
Pasco, WA 99301
509-547-3838 FAX 509-547-8645
Waterlab Corp
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2603 12th St. SE
Salem, OR 97302
503-363-0473 FAX 503-363-8900
Western Laboratories, Inc ...................................
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P.O. Box 1020
Parma, ID 83660
208/722-6564 or 800/658-3858
FAX 208-722-6550
WFR Laboratories, Inc........................................ .
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13035 SW Pacific Highway
Portland, OR 97223
503-639-9311
Wood's Soil Analysis Lab
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Rt. 3, Box 134B
Tum-a-Lum Road
Milton-Freewater, OR 97862
541-938-7446
*E, W, 5, or N indicates a portion of a state.
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