The present work of study "Oose earthworm humus and its answer in the yield of the cultivation of chili paprika (Capsicum annuum L.) Variety California", it was executed in the District of the Banda of Shilcayo, sector Ahuashiyacu property of the National University of San Martin - Tarapoto located at 3. 5 Km. of the city of Tarapoto. The objectives of this work were: 1) to determine the appropriate dose of fertilizing with earthworm humus in the production of paprika (Capsicum annuum L.) 2) to determine the relation benefit I cost of the evaluated treatments. The design used was of blocks totally at random (DBCA) with four (04), repetitions and five (05) treatments, three (03) of them with levels of organic fertilizing (earthworm humus 2, 4, 6 tons), one (01) chemical treatment N, P, K (200 - 100 - 100) and one (01) witness treatment without fertilizing, using 20 experimental units, dis...