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प्रश्न
A bio-fertilizer.
थोडक्यात उत्तर
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उत्तर
Anabaena
shaalaa.com
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संबंधित प्रश्न
List two major harmful effects of the following:
Pesticides such as DDT used in agriculture.
What is the effect of pollution on soil?
Explain the Term: Bio-fertilizer
Explain the Term: Manure
Explain the Term: Nitrification
Two chemical fertilizers.
Give Technical Terms:
A free living nitrogen fixing blue-green algae
Fill in the Blanks:
Chemicals intended to kill insects and other organisms that damage crops called ______.
Write short notes on soil pollution by:
Biomedical waste.
Flyash and metallic ash are examples of urban domestic waste.
