1. Walkley and Black's method of organic matter determination allows percent recovery.
2. Nitrogen is applied in splits to
3. Cation Exchange Reaction is an example of . . . . . . . . reaction.
4. The hygroscopic water is retained in soil at
5. Which one should be recommended for potato?
6. Match the following columns:
Column I (Soils)
Column II (State)
a. Red soil
1. Rajasthan
b. Black soil
2. Uttar Pradesh
c. Laterite soil
3. Tamil Nadu
d. Decan soil
4. Kerala
e. Sandy soil
5. Maharashtra
| Column I (Soils) | Column II (State) |
| a. Red soil | 1. Rajasthan |
| b. Black soil | 2. Uttar Pradesh |
| c. Laterite soil | 3. Tamil Nadu |
| d. Decan soil | 4. Kerala |
| e. Sandy soil | 5. Maharashtra |
7. One acre of soil to a depth of 6 inch weight about
8. In neutron moisture meter, source of fast neutrons is/are
9. The ionic strength of 0.05 M CaCl2 solution will be
10. Which organism is indicator of S-pollution?
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