Fertiliser Technology
5-10-5 fertilisers mean that they contain

5, 10, 5% respectively of N₂, P₂O₅ and K₂O
None of these
5 to 10% filler & carrier of soil conditioners
Only 5 to 10% active fertiliser constituents

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Fertiliser Technology
Potassic fertilisers

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

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