The following work is about levels of Nitrogen, 1 Phosphorate and Potassium in the black tobacco production variety HRE-33 in the sector airport of Tarapoto".; 1 am made the objective, to establish the adapted dose of fertilization that allows to stay a better yield of the tobacco black variety HRE-33, in the sector airport - Tarapoto and to determine the economic analysis of the treatments by means of the relationship benefits cost;. located in the Populated Center smaller than Santa Rosa of Cumbaza on "I Found Santa Rosillo", to 5 Km. of the city of Tarapoto.; with an annual maximum Tº of 32 ºC, precipitation averages yearly of 1 200 mm anda relative humidity of 70- 80%. The ~s'ed design was at random of Complete Blocks (DBCA), with 5 treatments and 4 repetitions. Thei treatments were T1 (143-128-209), T2 (85-113-80), T3 (100- 90-110) T4 (72-40-90), T5 (0-0-0), evaluanting itself. he...