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Geographical characteristics of the experimental research stations
| Environment code | Location of the research station | Altitude (m) | Latitude | Longitude |
|---|---|---|---|---|
| E1 | Mashhad, Khorasan Razavi, Iran | 1316 | 36°30' N | 59°37′ E |
| E2 | Shiraz, Fars, Iran | 1484 | 29°32' N | 52°36′ E |
| E3 | Miandoab, West Azerbaijan, Iran | 1296 | 36°58' N | 46°05′ E |
| E4 | Hamedan, Iran | 1818 | 34°47' N | 48°30′ E |
