The present research was realized with the aims to study comparatively the behavior of the tomato, variety Big River, with application located of different doses of earthworm in acid soils, seeking to improve the performance and profitabílity, in the farm Aucaloma of San's Martín National University- Tarapoto, located in the sector Aucaloma to 15 Km from Tarapoto, continuing the road to Cumbaza's San Antonio comprehension of San Roque's district province of Lamas and region San Martín. The design of blocks complete was utilizad at random DBCA, with 6 treatments and 4 repetitions, of the realized evaluations the following results were obtained: the humus of earthworm of 1 O and 6t/ha, it did effect in the cultivate with regard to the height (48.6 cm and 48.15 cm), in number of flowers for plants (18.85 and 14.73).Whereas the treatments with 6t/ha of humus; 1 O t/ha and 8t/ha of humus, ...