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प्रश्न
Define Biofertilizer.
Define the term ‘biofertilizer’.
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उत्तर
‘Biofertilizer’ contains living micro-organisms which, when applied to seed, plant surfaces, or soil, colonizes the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant. Thus, biofertilizers are organisms that enrich the nutrient quality of the soil.
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संबंधित प्रश्न
Write a paragraph in your own words of the following.
Sowing
Analogy
Urea : Inorganic fertilizer: Vermi compost: _______.
______ is the organic tertillzer.
Analogy:
Used as fertilizer: Gypsum:: Helps nerves function properly: ______.
Differentiate between organic and inorganic fertilizer.
All the plants get their ______ from the soil.
State whether the following statement is True or False. Correct the false statement.
Using good quality seed is the only criterion to get high yield
State whether the following statement is True or False. Correct the false statement.
Cells of root nodules of leguminous plants fix nitrogen
- Name the tool used with a tractor for sowing seeds in a field.
- What are the advantages of using this tool?
