Q. What are crops?
Answer: The same kind of plants grown and cultivated at one place on a large scale is called a crop. For example, wheat, maize, etc
Q.What is the different types of crops grown in India?
Ans: These are:
(i) Kharif Crops : The crops which are sown in the rainy season (from June to September)are called Kharif crops. Paddy, maize, soya bean, groundnut, cotton, etc., are kharif crops.
(ii) Rabi Crops : The crops grown in the winter season (October to March )are called rabi crops.
Examples of rabi crops are wheat, gram, pea, mustard and linseed.
Q. Why is proper agricultural management and distribution of food necessary ?
Answer: In order to provide food for a large population—regular production, proper management and distribution of food is necessary.
Q. Why can paddy not be grown in the winter season?
Answer: Paddy requires a lot of water. Therefore, it is grown only in the rainy season.
Q. List different agricultural practice ?
Answer: The agricultural practices are listed below.
(i) Preparation of soil (ii) Sowing (iii) Adding manure and fertilizers
(iv) Irrigation (v) Protecting from weeds (vi) Harvesting (vii) Storage
Q. Why does the loosening of soil allow the roots to breathe easily?
Answer: The process of loosening and turning of the soil is called tilling or ploughing.This is done by using a plough.
The air enters easily through loosen soil and the root can breathe easily even when they go deep into the soil.
Q. Why earthworms are called farmers friends?
Ans: The loosened soil helps in the growth of earthworms and microbes present in the soil. These organisms are friends of the farmer since they further turn and loosen the soil and add humus to it.
Q.why does the soil need to be turned and loosened before seeds are sown?
Answer: Since only a few centimeters of the top layer of soil supports plant growth, turning and loosening of soil brings the nutrient-rich soil to the top so that plants can use these nutrients.
Q. What are the purposes of the leveling of soil?
Answer: The ploughed field may have big pieces of soil called crumbs. It is necessary to break these crumbs with a plank. The field is levelled for sowing as well as for irrigation purposes. The levelling of soil is done with the help of a leveller.
Q.Why we sometimes add manure to the soil before tilling?
Answer: This helps in proper mixing of manure with soil.
Q. Name some agricultural Implements?
Answer: The main tools used for agriculture purpose are the plough, hoe and cultivator.
Q.How can we separate good, healthy seeds from the damaged ones?
Answer: We put seeds into bucket full of water. Damaged seeds being hollow became lighter therefore they float on water and remaining good seeds sink at bottom.
Q. Why sowing seeds with seed drill is better than by hand?
Answer: Practice of sowing seeds by hand is called broadcasting. The seed drill is used for sowing with the help of tractors. This sows the seeds uniformly at proper distances and depths. It ensures that seeds get covered by the soil after sowing. This also prevents damage caused by birds.
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