The present thesis titled Production of plántulas of tobacco cigar (Nicotiana tabacum) variety hair of gold, using different proportions of decontaminated humus and not decontaminated in Juan War'', he/she has as objectives: To produce plántulas of tobacco using different proportions of humus and decontaminated floor and not decontaminated to obtain plántulas of tobacco, to Evaluate the agronomic aspects and morfológicos of the plántulas of tobacco and to Elaborate the cost of production of the treatments in study. This experiment was executed in the fields of the TOBACCO COMPANY OF THE EAST S. A. Located Geographically to a south Latitude of 6º 30 ', Longitude west of 79º 30 'andan Altitude of 330 m.s.n.m.m. with a Political Location: Sector Pacaya, District of Juan Guerra, County and Region San Martín. A Complete Design was used at random (D.C.A.) with 4 observations and 6 trea...