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प्रश्न
Which one of the following nutrients is not available in fertilizers?
पर्याय
Nitrogen
Phosphorus
Iron
Potassium
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उत्तर
Iron
Explanation:
A chemical fertiliser is a salt or an organic compound containing the necessary plant nutrients. They provide nitrogen, phosphorus and potassium to the plants.
संबंधित प्रश्न
Leguminous plants fix nitrogen in the leaves of the plants.
Which Indian variety of honey bee is commonly used for apiculture?
Differentiate the following.
Pollen and Nectar
List the medicinal importance of honey.
Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.
Rabi crops are cultivated from ______to______.
Types of pheromones which alert insects from any danger known as:
______ and ______ give sweet taste to the honey.
What is Bee wax?
Explain the structure of Honey Bee Comb.
