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Raghunatha Reddy Maraka

· started a discussion

· 1 Months ago

why not ammonia? (Question: 197410.0 )

why not ammonia?

Question:
The form in which plants get nitrogen is -
Options:
A) Nitric Oxide
B) Nitrates
C) Ammonia
D) Nitrides
Solution:
Ans: (b) Ammonium (NH4+) and nitrate (NO3–) are the predominate inorganic forms of nitrogen in soils. Ammonium exists in exchangeable and non-exchangeable forms. Nitrite (NO2) and nitrous oxide (N2O) are present in soil in lesser quantities. Plants normally use nitrogen in only the ammonium and nitrate forms.

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