The product formed by the action of following microbe of nitrogen cycle is used to break dormancy due to growth inhibitors like abscisic acid, phenolic acids, ferulic acid, para-ascorbic acid etc.

Seed dormancy due to growth inhibitors like abscisic acid , phenolic acids and para-ascorbic acid can be overcome by the application of hormones like Gibberellins and other substances like nitrates. Nitrates are formed from nitrites by the action of Nitrobacter group of bacteria during nitrification