Food Preservation#!#Nitrogen Fixation

Nitrogen fixation is

Food Preservatives

What is nitrogen fixation?

Biological Nitrogen Fixation

Food Poisoning|Food Preservation|Preservation By Common Salt|Preservation By Sugar|Preservation By Oil And Vinegar|Heat And Cold Treatments|Pasteurization|Storage And Packing|Nitrogen Fixation|OMR

Write a note on nitrogen fixation?

What are requirement of nitrogen fixation ?

Which element is essential for nitrogen fixation?