m = checkTime(m); When water is allowed to flow through the main pipe under pressure with the help of a pump, it sprinkles from the rotating nozzles. Class 8 Biology Crop Production and Management: Threshing methods: Threshing methods. (iv) Manure is an organic substance obtained from the decomposition of plant wastes or animal excreta. Most crops are cultivated in agriculture or aquaculture.A crop may include macroscopic fungus (e.g. It gets sprinkled on the crop as if it is raining. Define crop. Its very helpful. Therefore, farmers have to add manure to the fields to replenish the soil with nutrients. Define crop along with examples View Answer Q2: Differentiate between kharif and rabi crops View Answer. Activities of the People • The work or activities done by the people can be classified into 3 … Here various traditional methods are: 2. if (i < 10) { Agriculture Class 8 Geography Important Questions. View Answer. thanks for the lively notes, good but i cant use this website because of ads. } Download free CBSE Sample paper for Class 8, Science. Before sowing, good quality seeds are selected. it's helpful I know but for better understanding it should be given by points... very usefull,make the subject more intrest, It is a very important part of crop production. (a) Kharif Crops:- The crops which are sown in the rainy season are called kharif crops. So please do something, Amazing explanation..... too good. The decomposed matter is used as organic manure. (ii) In order to provide food for a large population— regular production, proper management and distribution of food is necessary. Various tasks performed by farmers for crop production are termed as Agricultural practices. It is nice for students of this age Question 5 What are the advantages of crop rotation? This process is called manuring. Name the substances which are added to the soil in the form of nutrients for the healthy growth of plants. Home » Class 8 » Crop Production and Management » Harvesting. Farmers dump plant and animal waste in pits at open places and allow it to decompose. NCERT Solutions for Class 8 Geography Chapter 4 – Agriculture. (i) For the healthy growth of plants substances which are added to the soil in the form of nutrients are called manure and fertilisers. Name the crops which are grown in the summer season. (v) It increases the water holding capacity. 7. var day = ("0" + now.getDate()).slice(-2); Agriculture is a primary activity that includes growing crops, fruits, vegetables, flowers and rearing of livestock. Farmers prefer to use seeds which give a high yield. Different type crops like cereals, vegetables and fruits etc, can be classified on the basis of the season in which they grow. 2. Here climatic conditions like temperature, humidity and rainfall vary from one region to another. Tilling before sowing of crops helps in uprooting and killing of weeds, which may then dry up and get mixed with the soil. It is helpful 1)It improves the fertility of the soil by replenishing it with nitrogen and hence increases production of food grains. return i; CBSE Science Class 8. It is to good I think Jhakkas app hai yaroon, Everything was so easily explained...... After reading and understanding it completely I did not have any don’t...... It’s just amazing..... thank you, i like this website and it is very useful To me. This is done by using a plough which is made of wood or iron. If the soil is very dry, it may need watering before ploughing. The several activities undertaken by the farmers for the cultivation of crops over a period of time are referred to as agricultural practices. In this type of farming, herdsmen move from place to place with their animals for fodder and water, along defined routes. Topics and Sub Topics in Class […] (i) It provides lots of organic matter which makes soil porous. The temperate grasslands of North America, Europe … When water is allowed to flow through the main pipe under pressure with the help of a pump, it sprinkles from the rotating nozzles. 6. It is necessary to break these crumbs with a plank. (ii) In the harvested crop, the grain seeds need to be separated from the chaff with the help of machine called ‘combined’. Wheat, gram, pea, mustard and linseed are the examples of rabi crops. mushrooms), or alga.. (v) Fertilisers are chemicals manufactured in factories. Examples of Kharif Crops: These Extra Questions with solution are prepared by our team of expert teachers who are teaching grade in CBSE … The practice in which different types of crops are grown alternately in the same field or soil is called crop rotation. Traditional Methods of Irrigation: A crop is a plant or animal product that can be grown and harvested extensively for profit or subsistence. It is in fact a combined harvester and thresher. The ploughed field may have big pieces of soil called crumbs. In certain areas, farmers grow crop after crop in the same field. 1. In general, crops are grown so they can be commercially traded. Besides these, pulses and vegetables are grown during summer at many places. There is a rich variety of crops grown in different parts of the India. Despite this diversity, two broad cropping patterns can be identified. (i) Sprinkler System: (iv) It’s not a good to depend on rain for water as it is not fully reliable. 1. } These are clean and healthy seeds of a good variety. The field is never left uncultivated or fallow. Rabi Crops:-The crops which are grown in the winter season are called rabi crops. (i) The cutting of crop after it is mature is called harvesting. • Crop: When plants of the same kind are grown and cultivated at one place on a large scale is called as a crop. In this system, perpendicular pipes, having rotating nozzles on top, are joined to the main pipeline at regular intervals. Wheat, gram, pea, mustard and linseed are the examples of rabi crops. and it helped me very ..... much. (ii) India is a vast country. Answer the following questions. (ii) In the harvested crop, the grain seeds need to be separated from the chaff with the help of machine called ‘combined’. They are chemicals highly rich in nutrients like nitrogen, phosphorus and potassium. This process is called threshing. Farmers use many ways to remove weeds and control their growth. (ii) Nutrients are essential for the growth of plants. Therefore, farmers have to add manure to the fields to replenish the soil with nutrients. Class VIII Chapter 1 Science, study notes and study material to learn and revise your chapter. The rainy season in India is generally from June month to September month. Farmers dump plant and animal waste in pits at open places and allow it to decompose. Question 1 which agricultural practice is carried out with the help of a sickle? Further details about this concept can be drawn from Chapter 4 of CBSE Class 8 Geography. Class 9 - Science+Maths Video Paper Solutions, Class 10 - Science+Maths Video Paper Solutions, 11+12 - Physics + Chemistry + Mathematics, 11+12 - Physics + Chemistry + Mathematics (IIT), 11+12 - Physics + Chemistry + Biology (NEET), Class 9th and 10th : Foundation for IIT Physics, Class 9th and 10th : Foundation for IIT Chemistry, How to make the best choice: Science vs Commerce vs Arts, How to Study Effectively- 9 Secrets No One Tells, How to prepare for IIT-JEE this summer - Top 7 proven ways. Let us take a look at these. s = checkTime(s); In this system, perpendicular pipes, having rotating nozzles on top, are joined to the main pipeline at regular intervals. The manual removal includes physical removal of weeds by uprooting or cutting them close to the ground, from time to time with the help of a khurpi. The several activities undertaken by the farmers for the cultivation of crops over a period of time are referred to as agricultural practices. They can easily understand the lesson, Physics Chemistry Mathematics Biology Click here for Comment & Suggestions Click here for send message Click Here for steps if PPT is not showing correctly Chapter PDFAudioVideoNotesSolu tions1.ध्वनिPlayPlayPDFPDF2.लाख की चूड़… (i) Traditional Tool: It is the tool shaped liked funnel used traditionally for sowing seeds. The field is levelled by leveller for sowing as well as for irrigation purposes. Examples of Rabi Crops: Basic Practices of Crop Production: Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 1 Crop Production and Management. (ii) It increases soil fertility in general. Q5: Name some crop plants. function checkTime(i) { In crop rotation cereal crops like wheat, maize,paddy, millet are grown alternately with leguminous crops like pulses,peas,beans,groundnut,clover in the same field. It saves time and labour. In the world, 50% of persons are engaged in agricultural activity. (i) Water is important for proper growth and development of plants. Agriculture: The science of farming is called agriculture. Students who are in Class 8 or preparing for any exam which is based on Class 8 Science can refer NCERT Science Book for their preparation. Namely, Kharif and Rabi. (ii) In order to provide food for a large population— regular production, proper management and distribution of food is necessary. Farmers take this huge responsibility of cultivation of crops to provide food to the entire population. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. It is also called farming. This is an important chapter from which many questions come during the final science examination. Crop definition is - a pouched enlargement of the esophagus of many birds that serves as a receptacle for food and for its preliminary maceration; also : an enlargement of the digestive tract of another animal (such as an insect). Plants can make their own food by the process of photosynthesis and animals included humans cannot make their food so they are depended on the plants. Weeding is necessary because they affect the growth of the crop by compete with the crop plants for water, nutrients, space and light. 8. If freshly harvested grains (seeds) are stored without drying, they may get spoilt or attacked by organisms, losing their germination capacity. document.write(''); The supply of water to crops at regular intervals is called _____ (a) Crop rotation (b) Irrigation (c) Manure (d) None of these. Question 2 Define the term harvesting? These are: The practice in which different types of crops are grown alternately in the same field or soil is called crop rotation. (ii) Seed Drill: Now days the seed drill is used for sowing with the help of tractors. Crop Production and Management - Chapter Wise CBSE Solved Question and Answer Based On NCERT. The supply of water to crops at different intervals is called irrigation. The fresh crop has more moisture. (ii) Nutrients are essential for the growth of plants. Crop is a plant of the same kind that is grown on a large scale to get useful products and to meet nutritional needs in an area by man. Question 1. (i) When the same kinds of plants are grown at one place on a large scale, it is called a crop. These activities are: i = "0" + i; (a) Manure (b) Garbage (c) Sowing (d) None of these. 7. Preparation of Soil: One of the most important tasks in agriculture is to turn the soil and loosen it. These ends pierce into the soil and place seeds there. Weeds are also controlled by spraying certain chemicals called weedicides, in the fields to kill the weeds. (i) When the same kinds of plants are grown at one place on a large scale, it is called a crop. In harvesting, crops are pulled out or cut close to the ground. Its a fun way of learning using assessments. Concepts NCERT Questions; About the Author . Paddy, maize, soyabean, groundnut, cotton, etc., are the examples of kharif crops. Question 6 Which crop is generally grown between two cereal crop in crop rotation to restore the fertility of soil? (v) It increases the water holding capacity. Modern Methods of Irrigation: The ploughed field may have big pieces of soil called crumbs. Protection from Weeds: This process is called threshing. Crop Production and Management. Question 3 … 2. It is very................nice . Question 2. (iv) As it made from waste products, so environment is cleaned. There is a rich variety of crops grown in different parts of the India. CBSE Class 8 Science Worksheet - Crop Production and Management. View Answer Q6: Classify crops on the basis of seasons in which they are grown. (iii) Continuous growing of crops makes the soil poorer in certain nutrients. NCERT Book for Class 8 Science Chapter 1 Crop Production and Management is available for reading or download on this page. (i) The cutting of crop after it is mature is called harvesting. Crop definition, the cultivated produce of the ground, while growing or when gathered: the wheat crop. 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