
ABSTRACT The obyective of this experiment is know the in- fluence of time and dosage of Thiamin aplication on Kedu tobacco (Nicotiana tabacum L) seedlings growth of Gober variety, this experiment was caried out at Secang village, Secang district, Magelang regency, from May until August 1987. This experiment used Randomized Completely Block Design, arranged was factorial, with two factors an…