Crop production and management Class 8 Science in One Shot | BYJU'S - Class 8
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- เผยแพร่เมื่อ 29 มิ.ย. 2024
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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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Why why why?
Hello mam
Okay ! 👍
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 )
👍👍👍👍
Have u copied the enitre tb ?
Oo 😳
Whose watching in 2024
Best of luck for your tomorrow exam 😅😅😂😂
Thankyou I really need it
Thnks
Thanks lol
Thx
Thanks you
Link to form: forms.gle/oeWEFTAcfAq6UBZx9
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.
Hi ma'am I just love your explanation you help us lot thank you for everything 😘
Amazing sessions 🌼🌻 My grade 8th session going to start from April so I have holiday so here for study and excited for new session ❤❤❤❤
Me too
Me too
Same
😂
Bro same dude!!🎉🎉
This video is useful because there are images and we can learn through the topic:agricultural practices in 17:34 ,thanks 🙏 to byjus
Legends who watch a day before exam😌
Yah that's me
Wish me luck I am having exam on 20th july🙂
Your exam =❤
It is very simple to face 😊 the test of science... thanks mam for the chapter explained by you ☺️..... Thanks Byjus ☺️
Mam your teaching way is mind blowing 🤩🤩🤩👀👀
She explained it better than my teacher in school 😅
🎉🎉 your teaching method is very nice
thank you so much, miss . Even though I am new to this channel
this video helped me a lot in understanding the chapter
Mam where are notes please tell and it is very nice exlpanation❤❤
Thank you so much Mam I was having a hard time remembering the process and examples,This helped me lot with them🙂😃😄
Yes thank to byjus
Mam I really talk about your explanation is pro level 😊
Ma'am before soil is prepared farmers add water ?
Nutrients are important for plat because it gives the life to support and produce fruits and other things like rubber and glue etc
Thank you mam because you can teach us about all chapter
This video is very helpful because it is so complicated chapter but this video makes it easy . Love this video .
Thank You so much 🥰 Mam..
Thank you maam for such wonderful explanation.. Now i understood about crop production and management very very clearlyy
Because of this video I got 8 out of 10 in science st thank you mam❤...
48.50 in a field there are many undesirable plants that grows naturally with the crop is known as weeds
For their life processes like traspiration
9:38 Class Starts ✨
Thanks
mam what we need to do in order to provide food to a large number of people in our country
Ans = Food has to be produced on large scale .
I answered your question 😊
Mam from where I can get notes
Ma'am this session was really fun? I had a doubt. I did not understand the meaning of tilling.
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
@@bhumi8064 thank you so much! Great explanation! 😊
Why why why?😊😊😊😊😊😊😊😊😅😂😅😂😅😂😅😂😅
This was amazing🎉best teachers teach the best ❤I can understand this chapter very well 😊
crops are the same kind plants which are cultivated on the land in large scale
Amazing mam your teaching is wonderful and i love byjus app
Dichlorophenoxy acetic acid is present in weedicides
Awesome🎉
Nice teaching❤
Chup
Great section
Thanks
Glad you liked it
You you are the best teacher and teach us a friend❤️💓
I like this video you is amazing mam🎉😊❤
For growth of plants we use fertilizer
AMAZING teachings
Great 👍 For having one shot revision ..
Hey Nagendra, Glad it helped you a lot! All the Best for your Exams🙌
Thank you mam 😊🙏
Thanku so much ma'am ❤️😍🥰
Most Welcome🤩 stay tuned for more!
my exam is tommorow and this helped me a lot
thank u mam
How to join your telegram???
You are the science teacher mam❤
Very helpful Mam, for revising through the chapter during exam time !!
Thank u mam ❤
It helps a lot a😊
Your teaching method 🎉🎉🎉
🎉 Excellent 🎉
Nutrients are also important for plants to Carry out their life process and get energy
Mam what is crop rotation
Easy to understand mam you have thought it too simple
She is looking like rashmika mandana
mam can u keep quizzes that can also be attended when children are seeing the video later
What is crop?
When plant of a same kind are cultivated at one place on a large scale it is called a crop
My all douts were clear from this session thankyou so much ma'am for this class.
What is mixed cropping??
39:50 Definition of crop rotation.
Agricultural method in which different crops are grown on a peice of land season after season is called as crop rotation
THANK YOU BYJU'S FOR HELPING ME
Mam today is my exam your video helped me a lot 😊
Glad to hear that Wilson🤩 All the Very Best for your Exams!
Wilson aeey no christians
I improved in science very much by watching your videos
Glad to hear that🤗 stay tuned for more such exciting sessions!
Mam you are rocked. Thank you so much for your expectation mam you video is very nice video 😍😍
Most welcome Manju😊 Glad you enjoyed it!
Ioio
@@byjus-class-678 0
@@byjus-class-678 fu##
@@byjus-class-678 🖕🖕🖕🖕
mam can you share us the mind map
Man when I will get my marks of wirksheet😊
Worksheet
Hi ma,am , how do fertilizers cause water pollution?
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.
What are the methods of sowing
Funnel sowing
Seed drill
Broadcasting
Transplantation
Seeddrill
Does overuse of soil makes it fertile ?
Overuse of soil ...... ?
Amazing session ❤❤❤
I am so happy for new book new online byjus
Thanks mam for this video
Thanks for it mammm
Who are watching in 2024 🎉
mam u r really good
Thanks a lot Sanjay🤩
from 7th oneshots to 8th oneshots long journey 🤍🤍
Excuse me ma'am where are the notes of this chapter
VERY VERY NICE HW AND TEACHING AND EXPLANATION ON CROP PRODUCTION AND MANAGEMENT I AM VERY HAPPY NOT ANGRY OK THANK YOU
You are my fav teacher
🎉🎉🎉🎉🎉very good
lacture
I love all teachers of byjus
Ma'am this is a very good and a very important video for us .... thnks ma'am for this video 💜💜💜💜💜😍😍😍👌
MAM super duper class mam thanqu i am extremely namaste 🙏 🙏
❤
bahut ache ho aap mam byjus
Very good session
Thanks for liking the session🤗 Keep watching🤗
Weeds means
Mam I am not having Zaid crop in book of ncert
Me too
I have a doubt that is what is seed drill
Zaid which are sow n summer season
It was so useful
It is wonderful 😊❤🎉
Hello Durgarao, Thanks for liking the session🙌 Keep watching!
RBC red blood cell
Rabi crop sown in winter season
Yes
Wow i like this class
👍👍
thanks mam❤❤
Class starts at 9:38
Thanks
👍
22:00
35:35