Application of nitrogenous manure to a plant causes

1. vigorous vegetative growth
2. early flowering
3. early fruiting
4. growth retardation due to toxicity of NH3

Correct Answer: (a) vigorous vegetative growth

Explanation:

 Application of nitrogenous manure to a plant causes vigorous vegetative growth.

Early flowering and early fruiting are mainly caused by the hormone treatment to the plant.