Questions in plant-nutrition

Select	Question
	An important essential element is necessary in plants for protein synthesis
	Element required by plant in large quantity is
	Nitrogen is an important constituent of
	One of the ways in which the nitrogen of atmosphere is converted into nitrate for plants is by the action of
	Which one of the following plant cannot fix atmospheric nitrogen directly
	Ammonium sulphate is
	Which one of the following can fix atmospheric nitrogen directly
	Members of bean family are particularly important for rotation of crop, because
	Nodules with nitrogen fixing bacteria are present in
	Legume plants are important because they