N content in Humic & Fulvic acids are
A. 1 - 4%
B. 2 - 5%
C. 0.1 - 0.4%
D. 5 - 10%
Answer: Option A
Solution(By Examveda Team)
Humic acids are the organic substances that coagulate when the strong-base extract is acidified. It is a chemical produced by decaying plants. It is used as medicine for stimulating the immune system and treating the flu, avian flu and other viral infections.A fulvic acid is a group of chemicals formed when plants and animals break down. It is found in the humus part of soil and peat.
Nitrogen content in Humic & fulvic acids is 1 - 4%. Humic acid contains more carbon and less hydrogen than does the animal and plant residues from which it has formed through extensive biological decomposition.
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