Q164
Night soil contains
A.
4.5% N
B.
3.5% N
C.
4.0% N
D.
5.5% N
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Night soil is nothing but Human excreta, collected from cesspools, privies, pail closets, pit latrines, and septic tanks. It was produced as a result of a sanitation system in areas without sewer systems or septic tanks and sold as a fertilizer.Night soil is very rich in essential plant nutrients. It contains about 5.5% Nitrogen, along with other compounds like phosphorus, potassium, etc.