Steps of farming

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Across
  1. 4. I am used to level the field.
  2. 6. What is the last step of farming?
  3. 7. Unwanted plant are called.
  4. 8. Scattering of seeds by hand all over the field is called?
Down
  1. 1. It give nutrition to the crops.
  2. 2. It leads to aeration of the soil.
  3. 3. Large fields are ploughed using?
  4. 5. Sowing is the process of planting what?