8. To write how the bacteria present in soil and root nodules of leguminous plants are useful ? complete the following using the words given the bracket below. (fertility, proteins, nitrogen, soil, azotobacter, rhizobia) Bacteria like ------------- present in root nodules of leguminous plants help in nitrogen fixation these microbes fix atmospheric ------------ and make it available for leguminous plants. Thus, such plants are rich in --------------- due to nitrogenous compound made available by rhizobia. Micro organisms such as -------------- that are present free living in are capable of fixing atmospheric nitrogen and hence improve soil-------- by enriching its nitrogen content.
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Bacteria like *Rhizobia* present in root nodules of leguminous plants help in nitrogen fixation these microbes fix atmospheric *Nitrogen* and make it available for leguminous plants. Thus, such plants are rich in *protein* due to nitrogenous compound made available by rhizobia. Micro organisms such as *Azotobacter* that are present free living in are capable of fixing atmospheric nitrogen and hence improve soil *fertility* by enriching its nitrogen content.
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