Fertiliser Technology
In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at

Very high temperature
Low pressure
High pressure
Atmospheric pressure; as the pressure has no effect on conversion

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Fertiliser Technology
Nitrogenous fertiliser is required

For accelerating fruit formation in later stage of growth
To lessen the effect of excessive potash application
During the early stage of growth to promote development of stem and leaves
None of these

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