Write a paragraph in your own words on each of the following. (a) Preparation of soil (b) Sowing (c) Weeding (d) Threshing. Very short answer
Answers
Answer: preparation of soil -it is first step in cultivating food for food production .English process of soil is prepared for cultivating seeds in the soil .buy flowing manuring and sowing.
sowing-scattering of seeds in the earth is called sowing .
weeding-the process of removing unwanted and undesirable plants and material from soil is called weeding.
threshing-the process of separating grains from undesirable materials by violent means .
Explanation:
Preparation of soil
Answer: The first step of cultivation is preparation of soil. This is done by loosening and turning. A plough is used for this purpose. If the soil becomes too hard then farmer may resort to watering the soil before ploughing. Traditionally, animal-drawn ploughs have been used by farmers. Now-a-days, tractor-drawn ploughs are used for this purpose. A tractor helps in saving time and labour.
Sowing
Answer: Seeds are sown in the field after ploughing. A farmer needs to separate damaged seeds from good seeds. The seeds should be sown at proper gaps and at proper depth. Proper gap between seeds and proper depth in soil ensures adequate sunlight, moisture, air and nutrients to the growing plants.
Weeding
Answer: Removal of weeds is called weeding. Weeding is usually done manually or by using a trowel. Weeds are also removed during ploughing. Weedicides are the chemicals which destroy weeds. 2, 4 – D is an example of weedicide. Weedicides are sprayed before flowering and seeding in weeds. A farmer needs to take precautions to prevent any harm from weedicide.
Threshing
Answer: Separation of grains from harvested crop is called threshing. Threshing is done by threshing machine or by cattle. Cattle are tied in a series around a pole. Harvested crop is spread around the pole. Animals are made to trample the harvested crop. It helps in separating the grains from the harvested crop.