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Fertiliser Technology

Fertiliser Technology
H₄P₂O₇ is the chemical formula of __________ phosphoric acid.

Ortho
None of these
Meta
Pyro

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Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Phosphatic
Complex
Mixed
Nitrogenous

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Fertiliser Technology
Potassic fertilisers do not promote the development of

Starches of potatoes & grains
Fibrous materials of plants
Stems & leaves during early stage of plant growth
Sugar of fruits & vegetables

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Fertiliser Technology
P₂O₅ content in superphosphate is about __________ percent.

65-70
15-20
85-90
30-35

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Fertiliser Technology
Which of the following is not a measure component necessarily to be present in fertilisers?

Nitrogen
Potassium
Sulphur
Phosphorous

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Fertiliser Technology
Potassic fertiliser is graded based on its __________ content.

K₂O
K₂SO₄
KCl
KNO₃

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