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प्रश्न
Which one of the following nutrients is not available in fertilizers?
विकल्प
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
For increasing production, what is common in poultry, fisheries and bee-keeping?
How bee colony works?
Write down the desirable characters of bee variety suitable for bee keeping.
Explain the role of workers in a bee colony.
The largest member in a honey bee hive is is the ______.
Name the three castes in a honey bee colony
Name the following:
The largest bee in the colony.
______ nutrients are needed in small quantity for plants and are called ______.
Which one of the following products of apiculture is used in cosmetics and polishes?
Does apiculture offer multiple advantages to farmers? List its advantages if it is located near a place of commercial flower cultivation.
