Crop production and management Class 8 Science in One Shot | BYJU'S - Class 8

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In this Mission Mid-Term series, revise all the important concepts in your class 8 Science Chapter, Crop Production and Management.
In this class, your favourite BYJU’S educator, Aishwarya Ma’am, discusses the following topics in detail from this chapter:
- Agricultural Practices
- Basic Practices of Crop Production
- Preparation of Soil
- Agricultural Implements
- Adding Manure and Fertilisers
- Traditional Methods of Irrigation
- Modern Methods of Irrigation
- Protection from Weeds
Certain agricultural practices must be implemented in order to feed our growing population. Crops in India are broadly classified into two types based on the season: rabi crops and Kharif crops. The supply of water to crops at appropriate intervals is called irrigation. Join this class to learn more about crop production and management.
Looking for more interesting class 8 science revision classes? Subscribe to our BYJU’S - Class 6, 7 & 8 channel to get access to all the video lessons.
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[@Samarthkn811]

Why why why?

[@PradeepYadav-gs7bh]

Hello mam

[@nishameena2383]

Okay ! 👍

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kharif crops: types of crop which are sown in the season of monsoon due their excess need of water rabi crops: These types of crops are sown in winter because they dont need much water (wont write about zaid because its not in ncert) 1preparation of soil 2sowing of seeds 3addition of manure/fertilizer 4irrigation 5Removal of weeds 6Harvesting 7storage of crops PREPARATION OF SOIL 1 Soil need to be turned and loosen so the plants roots can penetrate the soil easily 2 Addition of Manure increasing water holding capacity of the soil, Increasing amount of helpful organism eg rhizobium. 3 Addition of fertilizers due to them containing P(phosporus), K(Pottasium),N(nitrogen). Eg of a good fertilizer 2 4 D(2,4-Dichlorophenoxyacetic acid TRADITIONAL TOOLS USED FOR THE PREAPARTION OF SOIL 1 Plough: Used for tiling the soil by turning the soil loosening it 2: Hoe: Used to manually turn the soil MODERN TOOLS USED FOR THE PREAPARTION OF SOIL 1 Cultivator: A modern tool which turn the soil which is attached at the back of a tractor WAY TO CHECK QUALITY OF SEEDS WHICH ARE GOOD TO SOW first take all the seed then put them in a bowl of water the good and healthy seeds will go down in the water while the hollow and bad seed would float up in the water. TRADITIONAL TOOLS USED FOR SOWING 1Funnel: A metal pipe is stuck in to the ground whos top is funnel shaped u can put the seeds in there and you can distribute then in uniform distance 2Mannually: U can manually throw the seeds in the soil this i called broadcasting but this is not a good way of sowing seeds as the seeds are throw in randomly and not in uniform distance and the seeds can be picked up by birds. MODERN TOOLS USED FOR SOWING Seed distributer: This machine is also attached in the back of a tractor it automatically drops seeds at uniform distance. WHY SHOULD EXCESS AMOUNT OF FERTILIZER SHOULD NOT BE USED Excess amount of fertilizer should be not used because it could block the air ways of the soil causing lack of oxygen killing the crop, also the fertilizer may go to a source of water polluting it making it non usable. ( IF YOURE READING THIS THEN I HAVE EXPLAINED FERTILIZER AND MANURE ABOVE PLEASE READ IT ) TYPES OF TRADITIONAL METHOD OF IRRIGATION 1MOAT 2DHEKLI 3CHAIN PUMP 4RAHAT MODERN METHODS OF IRRIGATION 1 Sprinkler system: This method of irrigation contains a long pipe where there is a rotating nozzles which distributes water equally throughout the soil. This method is used in lands which dont have sufficient amount of water. 2 Drip system: A network of narrow tubes/pipes whit small holes small drops of water are dropped near the roots of the crop. CROP ROTATION/NITROGEN FIXATION crop rotation is when in one year you plant non leguminous plant which use up the nitrogen in the soil then the next year you plant leguminous plant which the help of rhizobium which are found in root nodule of leguminous plant help in nitrogen fixation MIXED CROPPING This method of planting crops you plant different crops throughout the field WEEDING METHODS 1 Manual: This is when you cut weed with sickle but there is a drawback you may cut youre own crop accidentally kharif crops: types of crop which are sown in the season of monsoon due their excess need of water rabi crops: These types of crops are sown in winter because they dont need much water (wont write about zaid because its not in ncert) 1preparation of soil 2sowing of seeds 3addition of manure/fertilizer 4irrigation 5Removal of weeds 6Harvesting 7storage of crops PREPARATION OF SOIL 1 Soil need to be turned and loosen so the plants roots can penetrate the soil easily 2 Addition of Manure increasing water holding capacity of the soil, Increasing amount of helpful organism eg rhizobium. 3 Addition of fertilizers due to them containing P(phosporus), K(Pottasium),N(nitrogen). Eg of a good fertilizer 2 4 D(2,4-Dichlorophenoxyacetic acid TRADITIONAL TOOLS USED FOR THE PREAPARTION OF SOIL 1 Plough: Used for tiling the soil by turning the soil loosening it 2: Hoe: Used to manually turn the soil MODERN TOOLS USED FOR THE PREAPARTION OF SOIL 1 Cultivator: A modern tool which turn the soil which is attached at the back of a tractor WAY TO CHECK QUALITY OF SEEDS WHICH ARE GOOD TO SOW first take all the seed then put them in a bowl of water the good and healthy seeds will go down in the water while the hollow and bad seed would float up in the water. TRADITIONAL TOOLS USED FOR SOWING 1Funnel: A metal pipe is stuck in to the ground whos top is funnel shaped u can put the seeds in there and you can distribute then in uniform distance 2Mannually: U can manually throw the seeds in the soil this i called broadcasting but this is not a good way of sowing seeds as the seeds are throw in randomly and not in uniform distance and the seeds can be picked up by birds. MODERN TOOLS USED FOR SOWING Seed distributer: This machine is also attached in the back of a tractor it automatically drops seeds at uniform distance. WHY SHOULD EXCESS AMOUNT OF FERTILIZER SHOULD NOT BE USED Excess amount of fertilizer should be not used because it could block the air ways of the soil causing lack of oxygen killing the crop, also the fertilizer may go to a source of water polluting it making it non usable. ( IF YOURE READING THIS THEN I HAVE EXPLAINED FERTILIZER AND MANURE ABOVE PLEASE READ IT )

[@nishameena2383]

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[@KeshavMaheshwari-iy6nl]

Have u copied the enitre tb ?

[@subashyadav7277]

Best of luck for your tomorrow exam 😅😅😂😂

[@AnvishaBhatnagar]

Thankyou I really need it

[@alwaysfun8796]

Thnks

[@user-bw8pg9dl6u]

Thanks lol

[@Raiyan800]

Thx

[@car_edter2596]

Thanks you

[@kellycroford33]

Mam what if the students of this year have doubts can there be a live session for this year students as well because i would love to be a part of a live session.

[@heenashaikh9278]

Hi ma'am I just love your explanation you help us lot thank you for everything 😘

[@pragatiyaduvanshi1313]

Amazing sessions 🌼🌻 My grade 8th session going to start from April so I have holiday so here for study and excited for new session ❤❤❤❤

[@That_crazy_fangurl]

Me too

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Me too

[@siddiqahhussain11]

Same

[@siddiqahhussain11]

😂

[@Qween_arte]

Bro same dude!!🎉🎉

[@gauthamlifestyle8292]

This video is useful because there are images and we can learn through the topic:agricultural practices in 17:34 ,thanks 🙏 to byjus

[@VirajAmbatkar0005]

This video is very helpful because it is so complicated chapter but this video makes it easy . Love this video .

[@byjus-class-678]

Link to form: forms.gle/oeWEFTAcfAq6UBZx9

[@priyanshiarora8153]

Mam where are notes please tell and it is very nice exlpanation❤❤

[@thevictory2883]

It is very simple to face 😊 the test of science... thanks mam for the chapter explained by you ☺️..... Thanks Byjus ☺️

[@-Saurabh_1234.]

🎉🎉 your teaching method is very nice

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Mam your teaching way is mind blowing 🤩🤩🤩👀👀

[@Lol20708]

For their life processes like traspiration

[@user-ul9zf9kn5f]

thank you so much, miss . Even though I am new to this channel this video helped me a lot in understanding the chapter

[@AdityaSah-ec1wf]

Thank you mam because you can teach us about all chapter

[@DeviIndra-pz4my]

Mam I really talk about your explanation is pro level 😊

[@smsharfu]

Thank you so much Mam I was having a hard time remembering the process and examples,This helped me lot with them🙂😃😄

[@gauthamlifestyle8292]

Yes thank to byjus

[@HrishttaBisht-zd4sm]

48.50 in a field there are many undesirable plants that grows naturally with the crop is known as weeds

[@PRKS585]

Because of this video I got 8 out of 10 in science st thank you mam❤...

[@anamikasharma7588]

Ma'am before soil is prepared farmers add water ?

[@tuhinjana4885]

Thank You so much 🥰 Mam..

[@malothshruthi_17]

Thank you maam for such wonderful explanation.. Now i understood about crop production and management very very clearlyy

[@dasaradhaeleganthomes1595]

9:38 Class Starts ✨

[@jayasreenair7817]

Thanks

[@ckpatil1371]

Amazing mam your teaching is wonderful and i love byjus app

[@user-oj2cb4jo9y]

Mam from where I can get notes

[@nishameena2383]

Thank u mam ❤ It helps a lot a😊 Your teaching method 🎉🎉🎉 🎉 Excellent 🎉

[@asmiahluwalia8840]

Ma'am this session was really fun? I had a doubt. I did not understand the meaning of tilling.

[@bhumi8064]

Before sowing the soil needs to be turned and loosened so that the roots can breathe easily when they go deep inside the soil and earthworms and microbes present in the soil can grow properly. Earthworms and microbes further turn and add humus to soil. The process of turning and loosening the soil is called tilling (or ploughing). That's all i understood about tilling for now Hope it helps you

[@asmiahluwalia8840]

@@bhumi8064 thank you so much! Great explanation! 😊

[@Samarthkn811]

Why why why?😊😊😊😊😊😊😊😊😅😂😅😂😅😂😅😂😅

[@gudursrinavyatha7354]

AMAZING teachings

[@siddiqahhussain11]

This was amazing🎉best teachers teach the best ❤I can understand this chapter very well 😊

[@hamaripathshala8087]

Dichlorophenoxy acetic acid is present in weedicides

[@kuldeepkumarjaiswal4403]

She is looking like rashmika mandana

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Legends who watch a day before exam😌 Yah that's me Wish me luck I am having exam on 20th july🙂

[@ashokkumar-yw2pp]

Your exam =❤

[@suhana-xo7of]

mam what we need to do in order to provide food to a large number of people in our country

[@nishameena2383]

Ans = Food has to be produced on large scale . I answered your question 😊

[@adarsggsgsns-yn5ki]

You you are the best teacher and teach us a friend❤️💓

[@Lol20708]

To give them muetrients

[@Lol20708]

👍

[@lavishyadav978]

I like this video you is amazing mam🎉😊❤

[@janhaviartandcraft9602]

Nutrients are also important for plants to Carry out their life process and get energy

[@madhukataria9333]

What are the methods of sowing

[@varidhijain]

Funnel sowing Seed drill

[@shrititiwari7012]

Broadcasting Transplantation Seeddrill

[@HarshDagga-rf7jg]

28:51

[@aditiscreation8414]

crops are the same kind plants which are cultivated on the land in large scale

[@Bhanz55]

Thank you mam 😊🙏

[@ashokkumar-hu2tn]

Easy to understand mam you have thought it too simple

[@nikhilgowda9060]

Awesome🎉 Nice teaching❤

[@imrealtenz]

Chup

[@anilmishra9248]

Whose watching in 2024

[@naturelovertuktuk]

For growth of plants we use fertilizer

[@adityadhal5238]

THANK YOU BYJU'S FOR HELPING ME

[@AryaveerPuri]

9:46

[@user-md2gu3wb3i]

You are the science teacher mam❤

[@dirgharthgamingyt5247]

VERY VERY NICE HW AND TEACHING AND EXPLANATION ON CROP PRODUCTION AND MANAGEMENT I AM VERY HAPPY NOT ANGRY OK THANK YOU

[@RajYadav_646]

Mam what is crop rotation

[@tanmayparakh2349]

What is mixed cropping??

[@niktheshasatheesh4315]

Very helpful Mam, for revising through the chapter during exam time !!

[@Lol20708]

7

[@fenix_gaming420]

my exam is tommorow and this helped me a lot thank u mam

[@ramalakshmi4464]

Great section Thanks

[@byjus-class-678]

Glad you liked it

[@aradhya8520]

What is crop? When plant of a same kind are cultivated at one place on a large scale it is called a crop

[@nidhahakkim4042]

Class starts at 9:38

[@jayasreenair7817]

Thanks

[@aishahookupwiresmanufactur6883]

Thanks mam for this video

[@snagendra7663]

Great 👍 For having one shot revision ..

[@byjus-class-678]

Hey Nagendra, Glad it helped you a lot! All the Best for your Exams🙌

[@harpalsinghdhayal2311]

My all douts were clear from this session thankyou so much ma'am for this class.

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How to join your telegram???

[@user-ue8uq6cz2b]

mam can you share us the mind map

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I am so happy for new book new online byjus

[@user-lz8tg7ko2c]

mam can u keep quizzes that can also be attended when children are seeing the video later

[@nitinbhasin6906]

35:35

[@user-re2pv8bs4f]

🎉🎉🎉🎉🎉very good lacture

[@ujwalajoshi5848]

For better growth and to get higher yeild

[@user-wy1uk7rx5t]

Hi ma,am , how do fertilizers cause water pollution?

[@ranjitasahu4379]

Fertilizers and pesticides are among the many common stormwater pollutants that can degrade water quality. Though fertilizers contain chemicals that are good for lawns and plants when used properly, excessive amounts applied to lawns and gardens wash off and pollute streams. Fertilizers are made of nutrients, such as nitrogen and phosphorus. When it rains, these nutrients are carried by storm-water into the nearest stream, river, or other water body. Too many nutrients in water can cause algae to grow, which uses up the oxygen in the water. Low levels of oxygen in water can hurt aquatic wildlife and even lead to fish kills.

[@shahajikore4440]

Weed s- unwanted plant

[@craftlife52]

Ma'am this is a very good and a very important video for us .... thnks ma'am for this video 💜💜💜💜💜😍😍😍👌

[@khatijabano1750]

Thanks for it mammm

[@user-yl1de4wf7n]

4:03

[@StudyAssistantOfficial]

❤

[@rajum6342]

39:50 Definition of crop rotation.

[@creativeojaswita441]

Agricultural method in which different crops are grown on a peice of land season after season is called as crop rotation

[@user-qk2mt8ik6u]

I love all teachers of byjus

[@yourssrikar7134]

MAM super duper class mam thanqu i am extremely namaste 🙏 🙏

[@supritabanotu6545]

Rabi crop sown in winter season

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from 7th oneshots to 8th oneshots long journey 🤍🤍

[@saimakhan9449]

Excuse me ma'am where are the notes of this chapter

[@manjusingh5162]

Mam you are rocked. Thank you so much for your expectation mam you video is very nice video 😍😍

[@byjus-class-678]

Most welcome Manju😊 Glad you enjoyed it!

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Ioio

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What is composing and vermicomposing 43:17

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We learned that in class 6th well I don't blame you though

[@sciencelover1365]

Thanku so much ma'am ❤️😍🥰

[@byjus-class-678]

Most Welcome🤩 stay tuned for more!

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You are my fav teacher

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thanks mam❤❤

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👍👍

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Mam today is my exam your video helped me a lot 😊

[@byjus-class-678]

Glad to hear that Wilson🤩 All the Very Best for your Exams!

[@Samarthkn811]

Wilson aeey no christians

[@Mazahir-jc4dc]

49:17

[@shamshad7657]

Rabi is grown on winter season

[@ChandharashekaranC-hx4ij]

Hii mam iam bhuvaneswary your class is very nice its very useful

[@jagsps]

mam waht es vermycositing pleazee tel ma

[@supritabanotu6545]

Zaid which are sow n summer season

[@harshiesays7020]

Does overuse of soil makes it fertile ?

[@parwatibharthwal2524]

Overuse of soil ...... ?

[@user-cb6ee1dl3d]

👍👍👍👍👍

[@creativekids290]

Mam please discuss crop protection

[@mshafi8890]

Yes

[@mookambikahandloom2789]

13:41

[@HannanAli0001]

bahut ache ho aap mam byjus

[@moonlight-jeonlix1356]

22:00