Science, asked by sonusuman9659, 1 year ago

How is land ploughed and levelled before sowing?

Answers

Answered by Twinkle007
1
A land is ploughed and leveled with the help of a plough or by using animals to plough and leveled by leveller so that the seed sowed would get air and space and the shoot will able to come out.
Answered by AkashMandal
4
preparation of Soil :

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Before sowing the crop seeds, the soil of the field is loosened and over turned. This process is called ploughing.

ploughing is done to facilitate ventilation in soil and makes it suitable for the growth of microorganisms and other Organisms like earthworm which makes the soil fertile by decomposing the remains of plants and animals.

The instrument used for ploughing​ is called plough . plough may be made of wood and iron or of the iron only. For ploughing of the soil, domestic animals like ox, camel are used.


Now, in big farms the tractors are used for ploughing with cultivator which saves time and labour of ploughing manually.

The process is done with the help of wooden soil leveller. levelling ensures uniform irrigation and distribution of minerals in the field. it helps to prevent soil erosion.


Sowing :

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when soil is ploughed and levelled, seeds are sown in it. Before sowing seeds, selection of healthy seeds is done by putting seeds in water. Defective , floating seeds are rejected. The seeds which remain submerged in water are selected for sowing.

The seeds should be sown at right depth in the soil. if sown at right depth, they will not get sufficient air for Respiration and on germination, the shoot will not come out of the soil.

on the other hand, if seeds are sown on the surface , they will be eaten by birds. also there should be proper spacing between the seeds.

So, that there is less competition for water, nutrients, sunlight , etc.. sowing can be done manually or by using a seed drill.





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