Farming is the mechanical manipulation of the soil before or during the growth of a crop in order to improve the conditions under which the plant is grown. The basic purposes of farming are: 1) to improve the soil structure; 2) to bury crop residues and organic fertilizers and mix them into the soil; 3) to remove weeds or other unwanted plants.
According to the above definition, which of the followings is farming?
Break up the compacted topsoil after the rain.