Fertiliser Technology
Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Barauni (under HFC)
Talchar (under FCI)
Rourkela (under SAIL)
Nangal (under NFL)

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Fertiliser Technology
Nitrogenous fertiliser is required

For accelerating fruit formation in later stage of growth
To lessen the effect of excessive potash application
None of these
During the early stage of growth to promote development of stem and leaves

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