What is the main absobtion form of nitrogen ?

What is the main absorption form of nitrogen ?

What is the main source of nitrogen for the plants? How is nitrogen important for plants?

What is the main source of nitrogen?

When NH_(4)NO_(3) is gently heated, an oxide of Nitrogen is formed. What is the oxidation state of Nitrogen in this oxide ?

When NH_(4)NO_(3) is gently heated, an oxide of Nitrogen is formed. What is the oxidation state of Nitrogen in this oxide ?

Give reasons: Through the atmosphere contains 78% of molecular nitrogen, still the soil is the main source of nitrogen for plants.

What are the oxide form of nitrogen present in the atmosphere ?

What is the main use of the polymer formed by X and Y?

Necrosis is the main symptom of nitrogen deficiency in plants.