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Agriculture · Q174

Soil Science

Graduate and Post Graduate · Agriculture · question 174

Q174

Blood meal contains

A.
3 - 4% N
B.
8 - 10% N
C.
13 - 20% N
Answer
D.
30 - 35% N

Answer: Option C

Solution

Answer: Option C
Solution:
A blood meal is extremely rich in Nitrogen. It contains about 13 - 20% Nitrogen, 1% phosphorous and 0.6% of potassium. It is a dry, inert powder made from blood, used as a high-nitrogen organic fertilizer, non-synthetic and high protein animal feed.
A blood meal is composed of protein mostly, small amounts of fats and ash. It usually comes from cattle or hogs as a slaughterhouse by-product.