Abstract Background: The study of both intra- and interspecific competitions in Wheat (Triticum aestivum L. ) agroecosystem is quite complex and it is essential to understand the influence of nitrogen in these competitions. Objective: The aim of this study was to evaluate the effect of different competitive models on nitrogen balance in wheat ecosystem agriculture (Chamran cultivar). https://yeswellneses.shop/product-category/after-sun-care/