Azospirilum

  • Azospirillum is another common N-fixing bacteria for rice and non-legume crops and used as biofertilizers.
  • It is a gram-negative, non-fermentative, microaerophilic kind of bacteria. It secretes phyto-hormones like indole-3-acetic acid and gibberellins that helps in better root proliferation.
  • A. brasilense is an efficient strain of N2‐fixing bacteria