Question

Nitrogen an essenssial nutrient for plant growth but farmers do not apply Nitrogenus fertilizer during cultivation. Why?

Answer 1

Roots of pulses (leguminous plants) have a symbiotic association with a bacterium called Rhizobium which fixes nitrogen. Hence, farmers need not use nitrogenous fertilisers.

Answer 2

Explanation:

Nitrogen in Plants

Nitrogen in PlantsNitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.