Abstract

      The study of tracking product flows, showing the stages of value added, determining relationships with other actors in the chain are aimed at identifying the problems and obstacles of the value chain link of tomato crops, calculating the costs and revenues of production and marketing, calculating value added and related indicators. The study was conducted by the governor of Salah al-Din (al-ishaqi-as a model) and the initial data for the study were collected according to a random sample containing samples of actors within the value chain link of tomato crops and used a questionnaire form created specifically for this link. Through the use of quantitative indicators to draw conclusions, which are indicators for analyzing and calculating costs and revenues, the study reached the most important results, the production cycle has achieved an average gross value added (159.156) dinars/kg, according to the conclusion, based on the most important issues and limitations of the production cycle of tomato crops, the total cost of production has reached (1149677) thousand dinars. and the Results the total marketing costs amounted to about (208,712) dinars / dunum, (42,594) dinars / ton and (42,594) dinars/kg, and the marketing costs ranked third in terms of relative importance of the total total costs by (15.4%). The study recommends the need to activate the role of agricultural extension in considering quality conditions and increase farmers ' awareness of the importance of increasing supply over demand.