The Role of Organic Biofertilisers Containing Nitrogen-Fixing Bacteria in the Efficiency of Agricultural Products
Keywords:
Diazotrophic bacteria, Soil fertility , Crop, Azotobacter , Azospirillum, RhizobiumAbstract
Today, due to the environmental and health pollution caused by the use of chemical fertilizers, the production and use of biofertilizers is considered the most important approach in the field of soil biology and has attracted the attention of investors in the agricultural sector worldwide. Nitrogen is an essential nutrient for plants; however, plants are unable to directly use atmospheric molecular nitrogen (N2). Diazotrophs are bacteria that convert N2 into a form more usable by plants, such as ammonia. The special importance of the activity of these bacteria in fixing and providing nitrogen has led researchers to use these bacteria as an alternative source of nitrogen required for plant growth. The purpose of this review is to summarize the nitrogen-fixing bacteria role in the efficiency of agricultural products. After a glance at the definition of fertilizers, biofertilizers are described, as they are the most important group of fertilizers. After that, nitrogen-fixing bacteria, including Azotobacter, Azospirillum, Rhizobium, and Acetobacter, are explained in detail. Finally, the effect of biofertilizers enriched with nitrogen-fixing bacteria on agricultural products is described. It is worth mentioning that this review article can be applied in different agricultural fields to maintain soil fertility and enhance crop productivity.
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Copyright (c) 2026 Maryam Taheri (Author); Zarrindokht Emami-Karvani; Seyed Hossein Mirdamadian, Alaleh Zoghi (Author)
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