Match the following columns:
| Column I (OM) | Column II (P2O5%) |
| a. FYM | 1. 0.51 |
| b. Bird guano | 2. 0.25 |
| c. Night soil | 3. 11 - 14 |
| d. Compost | 4. 4.0 |
A. a-1, b-2, c-3, d-4
B. a-2, b-3, c-4, d-1
C. a-3, b-2, c-1, d-4
D. a-4, b-1, c-2, d-3
Answer: Option B
Solution (By Examveda Team)
FYM (Farmyard manure), is primarily made from cow dung, cow urine, waste grass and other dairy waste. It is rich in nutrients. It contains 0.25% of P2O5.Bird guano is the desiccated droppings of seabirds and it is a highly effective fertilizer. It contains 11 - 14% of P2O5.
Night soil is human excreta collected from cesspools, septic tanks, etc. and removed usually at night and is a good source of fertilizer with 4.0% of P2O5.
Compost is a mixture of ingredients used to fertilize and improve the soil. It is commonly prepared by decomposing plant and food waste and recycling organic materials. It contains 0.51%.
This Question Belongs to Agriculture >> Soil Science
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