The goal of this paper was to evaluate the roostertree under different amounts and periods of incorporation on yield of coriander. This paper was conducted at the experimental farm Rafael Fernandes of, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, in the period October-December 2009. Experimental design was a randomized complete block with treatments arranged in a factorial 4 x 4, with three re...