A boy is ploughing the feilds with his oxen. This is traditionally practice of ploughing the feilds. This sitll exit in the Nepal, mostly in the mountains and himalayas.
Traditional farming is done by using resources at hand using land rainfall,seeds,and organic fertilizer.
The primary purpose of ploughing is to turn over the upper layer of the soil, bringing fresh nutrients to the surface, while burying weeds and the remains of previous crops and allowing them to break down.
Ploughing the feilds is very good for farming, by ploughing the tight soil become very soft and easy for farming.
To grow crops regularly in less-fertile areas, the soil must be turned to bring nutrients to the surface. So ploughing is necessary.