Use of Nitrogen-fixing Bacteria Biofertilizer in Crop Production

Nitrogen-fixing bacteria can increase crop yield and play an important role in agricultural production. At present, the most widely used bacteria are rhizobia, and biological nitrogen fixation is getting more and more attention. It will develop in a deeper and further direction.

At present, the main strains used to produce this kind of microbial fertilizer are Azotobacter chroococum; Beijerinckia derxii, Klebsiella SPP., Enterobacter SPP., and Alcaligenes SPP.

Azotobacter Chroococcum Biofertilizer


Mechanism of Action Azotobacter Chroococcum

Nitrogen fixation (nitrogen fixation) is the reduction of nitrogen molecules in the process of ammonia and other nitrogen compounds.

In nature, nitrogen (N2) is fixed in two ways: one is abiotic nitrogen fixation, that is, nitrogen fixation through lightning, high-temperature discharge, etc., so that very few nitrides are formed; The second is the biological nitrogen fixation, that is, the reduction of molecular nitrogen into ammonia in the biological body. More than 90% of the molecular nitrogen in the atmosphere is reduced to ammonia by nitrogen-fixing microbes.

In nature, there are many prokaryotes, including bacteria and actinomycetes, which can reduce nitrogen to ammonia under certain conditions, so they are called nitrogen-fixing microorganisms. The nitrogen fixation process of nitrogen-fixing microorganisms is completely spontaneous and requires no energy or equipment, so it reduces energy consumption. Since all nitrogen fixation processes are biological activities, no pollutants are discharged, which is conducive to the protection of the ecological environment. At the same time, due to the reduction and exemption of chemical nitrogen input, the nitric acid and nitrite substances in agricultural products are greatly reduced, and the quality of agricultural products is improved.

Azotobacter Chroococcum Application and development prospects

Biological nitrogen fixation plays an important role in agricultural production. Nitrogen is a large element that crops take up from the soil, which loses a lot of nitrogen each year. If the soil does not get enough nitrogen each year to make up for the loss, the nitrogen content of the soil will fall. Soil nitrogen can be obtained in two ways: through the use of nitrogenous fertilizers (including nitrogen fertilizers and various farm fertilizers); The other is biological nitrogen fixation.

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