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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
Damaged seeds would _________ on top of water.
______ is called as farmer’s best friend.
______ fertilizer is ecofriendly.
Why earthworm is called as farmer’s friend?
______ is the organic tertillzer.
Fertilizers containing only plant or animal-based materials or those synthesized by microorganisms are called inorganic fertilizers.
Analogy:
Organic fertilizer: Compost:: Inorganic fertilizer: ______.
Analogy:
Used as fertilizer: Gypsum:: Helps nerves function properly: ______.
All the plants get their ______ from the soil.
- Name the tool used with a tractor for sowing seeds in a field.
- What are the advantages of using this tool?
