Write a paragraph in your own word on each of the following:
(a) Tilling
(b) Weeds
(a) Tilling: The process of loosening and turning of the soil is called tilling or ploughing and is carried on by using a plough. Ploughs are made by wood or iron material, it is being used since ancient time for different purposes like tilling the soil, adding fertilizers to crops, removing weeds etc. this implement is drawn by a pair of bulls or other animals like camels, horses etc.
(b) Weeds: Weeds are unwanted plants that grow along with crop plants and compete with them for water, nutrients, space and light; thus, they affect growth of crop plants. Some of the weeds are poisonous for animals and human beings and they interfere even in production of crop plants and the removal of weeds is called weeding.