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Fertiliser Technology

Fertiliser Technology
Effectiveness of a fertiliser is independent of the

PH of soil
Type of crop
None of these
Nature of soil

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Fertiliser Technology
Chemical formula of biuret is

NH₄COONH₂
NH₂.CO.NH₂
NH₂CONHCONH₂
NH₃.COO.NH₃

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Fertiliser Technology
Reaction of calcium fluorapatite with sulphuric acid produces

Red phosphorous
Simple superphosphate
Ortho-phosphoric acid
Triple superphosphate

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Fertiliser Technology
Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

Gasify coal to get hydrogen from coal gas
Use coal as filler in fertiliser
Use coal as conditioner in fertiliser
Use coal for heating purpose

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Fertiliser Technology
The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

Phosphatic
None of these
Potassic
Nitrogenous

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Fertiliser Technology
Fertiliser plants get their N₂ requirements

From producer gas
By dissociating oxides of nitrogen
From coal gas (coke oven gas)
By fractionation of liquified air

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