| 1 | KVK SURAT | Soil Testing Laboratories | | | |
| 2 | Krushi Vigyan Kendra,Athwa lines,Surat | Soil Testing Laboratories | | | 0261-2655565 |
| 3 | RS main cotton research station | Soil Testing Laboratories | | | |
| 4 | Research Scientist,Main Cott Res Sta,NAU | Soil Testing Laboratories | | | 0261-2666097 |