The maximum concentration limit of urea for spraying is
A. 6%
B. 8%
C. 4%
D. No such limit
Answer: Option C
Solution(By Examveda Team)
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.
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