Question

why turning and loosing of soil important before cultivation of crops? name the tool used for this purpose?​

Answer 1

Answer:

Explanation:

The soil is loosened to increase the absorption of water and manures. Loosening of soil particles adds humus and nutrients in the soil that increases crop yields. Tilling or loosening the soil is done by ploughs which are pulled by a pair of bulls. Tractor driven cultivators are also used to loosen the soil.

Chemical fertilisers:  Animal excreta, cow ...

Organic manure:  Wheat, gram, pea

Answer 2

The law of octaves states that “Every eight element has similar properties when the eighth element, when the elements are arranged in the increasing order of their atomic masses. Newlands compared the similarity between the elements to the octaves of music, where every eight note is comparable to the first