Nitrogen Deficiency
If crops show nitrogen deficiency then apply 1st spray of urea at 35 days after planting.
Plant parts affected
Lower leaves
Initial diagnosis:
The older leaves become yellow chlorotic.
Symptoms:
In prolonged deficiency, the older leaves turn evenly yellow and the upper leaves appear pale green.
Damage type:
The plants have poor growth with thin and short stems having practically no branches.
Take a picture of the disease and get a solution