Azospirillum sp. and Azotobacter sp. are non simbiotic N2 fixing bacteria and growth regulator substance producer, such as indole acetic acid. The objectives of this research were to study the production of indole acetic acid (LAA) by Azospirillum sp. and Azotobacter sp. bacteria and to investigate the influence on rice growth under different levels of N and P. This study was conducted from Mar…