Fertiliser Technology
Biuret formation in urea is kept at minimum (< 1 %), because it is

Corrosive in nature
Helpful in decomposition of urea
Toxic and harmful to some crops
Explosive in nature

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Fertiliser Technology
Potassic fertilisers

Are useful during early stage of the plant growth
Help in development of starches of potatoes and grain
None of these
Stimulate early growth and accelerate seeding

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