What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
Correct answer: B. Both B & C
- A. Ammonical
- B. Both B & C
- C. Ammonical-nitrate
- D. Nitrate
Explanation
Nitrate nitrogen is prone to denitrification under flooded, anaerobic conditions, causing gaseous nitrogen losses. Ammonium nitrate also contains nitrate, so it should likewise be avoided where flooding is expected.
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