Question

1. Hira is a farmer and he wants to practice crop rotation in his field. He also wants
to replenish his field with nitrogen. Suggest him a Rabi and a Kharif crop which will
replenish his field with nitrogen. Which kind of crop replenishes nitrogen and why?
CLASS 8TH Answer fast​

Answer 1

Answer:

Rabi crop wheat and kharif crop - soyabean or groundnut can be plant for crop rotation. Leguminous crops replenish nitrogen. The leguminous plants have some swollen structures on the surface of their roots.These are called root nodules. The bacteria residing in the root nodules convert atmospheric nitrogen into soluble nitrogenous compounds. This increases the fertility of soil.

Answer 2

Explanation:

$answer$

$= \frac{1}{5} \times \frac{1}{5}$

$= \frac{1}{10}$

$= 10$

Therefore, the correct answer will be 10.