Azotobacter Case Study

Facts for
LIQUID
BIOFERTILISER

D edication The book is dedicated with the utmost respect and admiration to the my beloved mother
F
acts
For LIQUID
Biofertiliser
The health of soil in the developing world could be dramatically improved if all farmers empowered with today’s essential liquid biofertilisers information. That information has now been brought together in “FACTS FOR LIQUID BIOFERTILISER” in the 67th year of independence of India and 43 years after the term “Green Revolution” which fed the India, was coined, when we entering into second decade of 21st century - new millennium.
 …show more content…
Azoto means nitrogen (in French) and bacter means rod shapes. Rod shape bacteria, which can fix atmospheric nitrogen.
Azotobacter as isolated by a Dutch Scientist Beizerinchia in 1901.
Azotobacter is non-symbiotic nitrogen fixer and gram negative.
Azotobacter is soil dwelling micro-organism with an away of metabolic capabilities in addition to nitrogen fixation.
Azotobacter grows profusely in rhizosphere.
The most effective strain of Azotobacter is chroococcum (chora means colour and coccus - grain).
Azotobacter fixes, on average 10 milli gram of nitrogen/gram of sugar in pure culture on nitrogen free medium.
Azotobacter is aerobic, chemo-hetrophic free-living micro-organisms.
The lack of organic matter in soil is a limiting factor in the proliferation of Azotobacter in soil.
Addition of nitrogenous fertilisers to soil inhibit the grown of Azotobacter, addition to phosphate fertiliser improve bacterial grown and proliferation.
Root exudes or excretion which contain Amino acids sugars, vitamins and organic acids together with the decaying portion of root system serve as energy source of or Azotobacter

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