This element is present in the atmosphere as a gas.
It is added to the soil in some fertilizers.
Since it exists in nature as a gas, it is easily leached.
Nitrogen is responsible for the vegetative growth of the plant and its dark-green color.
When nitrogen is lacking, some signs of deficiency are reduced growth and yellowing of the leaves.
Excess nitrogen, on the other hand, can cause succulent,weak, spindly growth, and a darker-than-normal green color.