Q475
Match the following columns: Column I (OM) Column II (N Content %) a. Compost 1. 0.50 b. FYM 2. 0.89 c. Night soil 3. 5.50 d. Bird guano 4. 7 - 8
Match the following columns:
| Column I (OM) | Column II (N Content %) |
| a. Compost | 1. 0.50 |
| b. FYM | 2. 0.89 |
| c. Night soil | 3. 5.50 |
| d. Bird guano | 4. 7 - 8 |
A.
a-1, b-2, c-3, d-4
B.
a-3, b-4, c-1, d-2
C.
a-2, b-1, c-3, d-4
AnswerD.
a-4, b-3, c-2, d-1
Answer: Option C
Solution
Answer: Option C
Solution:
The compost contains 0.89% of nitrogen.FYM is farmyard manure and its nitrogen content is 0.50%.
Night soil is nothing but human excreta which is used as fertilizer and it contains 5.5% of nitrogen approximately.
Bird Guano is the accumulated excrement of seabirds and bats, and is a highly effective fertilizer, it contains 7% - 8% of Nitrogen.