The chlorophyll content of the leaves also increased
significantly as compared to untreated control at 1% and 5%
level of significance due to the application of urea coated
with Nimin and oils of neem, castor and rocket-salad
respectively. However, the maximum chlorophyll content was
found in plants raised from pots amended with urea coated
with Nimin at higher doses. The significant increase in
chlorophyll content was also observed at lower doses but it
was lesser than the higher doses of urea coated with Nimin
and other natural oils. The least chlorophyll was found in
plants without any treatment.