Microbial fertilizers are defined as naturally active products or microbial inoculators, including bacteria, algae, fungi or biological compounds that can benefit soils and plants. These fertilizers are different from chemical fertilizers and are environmentally friendly.
Plant Growth Regulator
There are five main hormones, auxin, cytokinin, gibberellin, abscisic acid, and ethylene. The effects of each hormone are different. Auxin, gibberellin, and cytokinin act as growth stimulants, while abscisic acid and ethylene act as growth inhibitors.