What are biofertilizers ? Give two examples.
What are biofertilizers ? Give two examples.
Biofertilizers are organisms that enrich the nutrient quality of the soil. The main sources of biofertilizers are bacteria, fungi and cyanobacteria.
E.g. : $(i)$ Azospirillum, Rhizobium and Azotobacter can fix atmospheric nitrogen in the soil. $(ii)$ BlueGreen Algae, Anabeana. Nostoc and etc are used as biofertilizer.
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Azolla is used as biofertilizer as it has
Azolla is used as biofertilizer as it has
Green manure plants belong to
Green manure plants belong to
Biofertilizers
Biofertilizers
Which of the following are the part or example of symbiotic mutualistic association?
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria
Which of the following are the part or example of symbiotic mutualistic association?
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria
Definitions / Explanation : Mycorrhiza
Definitions / Explanation : Mycorrhiza