This study was conducted with the objectives to study comparatively the behavior of the onion, red variety Arequipeña with localized application of different doses of vermicompostin acid soils, seeking to improve the performance and profitability of the crop in the farm Aucaloma University San Martín national-Tarapoto, located in SectorAucaloma15 km from Tarapoto, following the road to San Antonio of understanding Cumbaza San Roque district Lamas province and San Martín region. The experimental design was randomized complete block RCBD with 6 treatments and 4 replications of evaluations yielded the following results: The vermicompost of 3.0, 2.5, 2.0 and 1.0 t/ha, took effect in cultivation with respect to the height (44.95, 44.73, 43.33 and 42.58 cm), whereas treatment with 3.0, 2.5, 2.0, 1.5, and 1.0 t/ha of humus obtained larger number of leaves / plant (5.9, 5.88,5.76,5.73and 5.7)...