7. Answer briefly I

Define ploughing.

 

a. The process of  tighteningloosening and turning the soil to facilitate nutrient availabilitywater availability to the root is called ploughing.

 

b. PloughCultivatorHoe is made of wood, drawn through a pair of bulls or horses. It has a strong, sharp triangular iron strip called the ploughshare. It has a long log of wood (main part) called the plough shaft. The other end is attached to a beam placed on the neck of the bull or the horse.

 

c. CultivatorHoePlough is a simple agricultural tool used to till the land, remove the weeds, and dig the soil. It contains a long wooden rod that contains a bent iron plate at one end. The other end can be attached to an animal.

 

d. HoePloughCultivator involves the use of a tractor. It kill weeds and remove unwanted vegetation present in the field.