Question

how shall we prepare the paddy field before the cultivation of rice

Answer 1

first u cultivated rice then ur paddy is grown good

Answer 2

Before rice can be planted, the soilshould be in the best physical condition for crop growth and the soil surface is level. Land preparationinvolves plowing and harrowing to 'till' or dig-up, mix and level the soil. Tillage allows the seeds to be planted at the right depth, and also helps with weed control.
hope it helps you