Q355
The maximum concentration limit of urea for spraying is
A.
6%
B.
8%
C.
4%
AnswerD.
No such limit
Answer: Option C
Solution
Answer: Option C
Solution:
Urea is the most important nitrogenous fertilizer in the country because of its high N content (46%), which is required for the growth and development of the crop.The maximum concentration limit of urea for spraying is 4%. Concentration should always be kept in mind before spraying any insecticide or fertilizer as excess may harm to an extreme extent the crops.