Question

2 sources from which plants obtain nitrogen​

Answer 1

Answer:

Explanation:

1]atmospheric nitrogen

2] when plant and animal waste  decays the ammonia in it which is a nitrogenous compound is converted into nitrates and nitrites  through denitrifying bacteria which is utilized by plants

nitrogen gas is converted into many nitrogenous compounds like ammonia,nitrates ,nitrites etc which is then consumed by the leguminous plants and utilized by the plant

Answer 2

1).Nitrogen which is fixed by bacteria. Eg- Rhizobium. 2) During lightning , the high temperature converts nitrogen into oxides of nitrogen .These oxides dissolve in water to give nitric and nitrous acids and fall on land along with rain .it is then utilised by plants.