Contact the lab nearest you:
| AgSource Laboratories - Bonduel, WI | 715-758-2178 | bonduel@agsource.com |
| AgSource Laboratories - Ellsworth, IA | 515-836-4444 | ellsworth@agsource.com |
| AgSource Laboratories - Jerome, ID | 208-324-7511 | jerome@agsource.com |
| AgSource Laboratories - Lincoln, NE | 402-476-0300 | lincoln@agsource.com |
| AgSource Laboratories - Umatilla, OR | 541-922-4894 | umatilla@agsource.com |
