Fertiliser Technology
Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the

Soil becomes too alkaline
Soil becomes too acidic
Osmotic pressure of the soil water becomes higher than that of the plant sap
Osmotic pressure of the soil water becomes less than that of the plant sap

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Fertiliser Technology
Potassic fertilisers

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

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