This study investigated the effect of nitrogen application on the rhizosphere soil microenvironment of sunflower and clarified the relationship between ammonium assimilation and the microenvironment. In a field experiment high (HN. 190 kg/hm2). medium (MN. https://www.diegojavierfares.com/flash-buy-Ambal-D-Zoya-Two-Tone-Knee-Length-Kurtis-p28495-great-pick/