Question

turning and loosening of soil give scientific reason​

Answer 1

The processing of loosening and turning the soil is called 'tilling' or 'ploughing' of the soil. It the the most important task in the field of agriculture. It is very important to loosen the soil because it allows the roots of the plants to penetrate deep into the soil.

Answer 2

it is mixing of soil before spreading of seeds to mixed nutrients proper in every part of the soil , it also stop soil to not became hard and convert to small crumbs. and also give plant nutrients to the soil. hope this will help you..