The market gardening sector is a sector of activity admired by women and men. With a view to improving market gardening production, an experiment was carried out at the Superior Normal School of Bongor (ENS/B) the main objective of this work is to evaluate the effects of pigeon droppings and cow dung on the development parameters of sesame in order to determine the optimal dose of organic fertilizer provided to the plants for a better yield. For this to do so, the agro-phenological parameters were observed, noted and measured. From the result, it appears that the number of flowers and capsules per plant, the number of seeds per capsule, the weight of seeds per capsule, the yields in grams per plant and ton per hectare were obtained in the plants having received the combination 20 g of cow dung and 20 g of pigeon droppings.