Q588
The C : N ratio of farmyard manure is
A.
20 : 1
B.
10 : 1
C.
30 : 1
D.
40 : 1
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
C : N ratio is a ratio of the mass of carbon to the mass of nitrogen in a substance.FYM (Farmyard manure) is an important organic resource for agricultural production in live-stock-based farming systems in the semi-arid tropics of India.
The C : N ratio of farmyard manure is 40 : 1.