The present thesis work has taken place in “Fundo Miraflores" fields, situated to 3,5 km from Tarapoto city, Ahuashiyacu area, Banda de Shilcayo district, National University of San Martin property, geographically located in the following coordinates: 76° 001 west longitude, 06° 001 south longitude and 315 mt. over the sea level , with the aim of evaluating the effects of two terming practices, two nitrogen sources and two application methods and finally to make the economic analysis to the best treatments. The output and complementary vegetative characteristics were evaluated using an estadistic design of blocks completely at random with a factor arrangement of 2x2x2 and thre repetitions the results were analyzed through the vary analysis and “Duncan" multiple signification test. The experimental ground was a sandy texture soil with add reaction (PH = 4.8) mid content of organic m...