CBSE Class 8 Science Crop Production and Management Chapter Notes

Scroll down for PDF

CBSE Class 8 Science Crop Production and Management Chapter Notes Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.

CROP PRODUCTION & MANAGEMENT

INTRODUCTION
• All organisms require food for their growth and survival.
• Food is the combination of various organic and inorganic substances which are capable of providing energy for the various metabolic activities.
• In all cases the food for animals comes directly or indirectly from plants.

class_8_science_concept_019q Sources of food :

(i) Cereals : These are rich in carbohydrate and thus provide energy. eg. – Rice, wheat, maize, sorghum, barley, millets.
(ii) Pulses : These are rich in protein and thus helpful for body building. eg. – Gram, moong, pea, lentil, urd, pigeon pea.
(iii) Oil seed crops :– These are rich in oil and fatty acids. eg. – Groundnut, sunflower, soyabean, mustard, sesame.
(iv) Vegetable crops : These provide vitamins, minerals along with small quantities of carbohydrate protein and oils.
Leaves : Cabbage, spinach, trigonella, lettuce
Roots : Carrot, radish, turnip, sweet potato
Stems : Potato, corms, rhizomes (ginger)
Bulbs : Onion, garlic
Fruits : Tomato, brinjal, gourd, cucumber
Flowers : Cauliflower, bauhinia, banana

(v) Fodder crops : These provide green fodder to the cattle. eg. – Berseem, sorghum, maize, oat, sudan grass, alfalfa.

q Crops : Plants of same kind which are grown and cultivated at one place on a large scale are known as crops.
• Different types of crops require different climatic conditions like temperature, humidity and photoperiods.
• Crops are divided into two groups on the basis of growing season.

• Kharif crops : These crops are sown in the months of June/July and harvested in September/October every year. eg- Paddy, maize, sugarcane, sorghum, pearl millet.

• Rabi crops : These crops are sown in the months of October/November and harvested in March/April every year.
eg- Wheat, oat, barley and pea.

class_8_science_concept_018

q Agriculture :– Word agriculture has come from two Latin words, ager meaning field or soil : culture meaning cultivation. Agriculture or farming is the cultivation of the soil. It includes growing of plant crops and rearing of animals.
• It is an applied biological science which deals with the production of plants and raising of livestock for human use.

class_8_science_concept_020

class_8_science_concept_021

q Basic requirements of agriculture :
• An open field which gets plenty of sunlight and air.
• Properly loosened and aerated soil in the fields.
• Sufficient source of water for irrigation.
• Proper nutrients for the growth of plants.
• Removal of weeds which use up the nutrients in the soil.
• Proper fencing of the field towards off grazing animals.
 

Please click the link below to download pdf file for CBSE Class 8 Science Crop Production and Management Chapter Notes


Click on the text For more study material for Science please click here - Science

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

TIPS: Study habits for success

Being a student is fairly a difficult job. Alongside maintaining your curricular as well as extra-curricular activities adds more to it. Performance in academics is one of the major concerns. Every parent now tries to get their children more indulged in studies. Need...

How to crack a competitive examination

“How I crack a competitive examination” is a frequently asked question by today’s students. Cracking a competitive exam is a challenging task. Attaining a huge amount of study and solving several complex problems in a limited amount of time is a huge task. Competitive...

CBSE Board Secretary says Class 10 and 12 CBSE Exam Pattern to be modified

The Central Board of Secondary Education is expected to introduce a few changes to the exam pattern for class 10 and board exams by 2023. Anurag Tripathi, secretary of CBSE speaking at an Assoham School Education Summit said that although this year class 10 students...

CBSE Board Introduces Experiential Learning for Student

CBSE Academic Session 2019-20: Board Introduces Experiential Learning for Student: The education sector has grown for some new changes. As per the latest updates the Central Board of Secondary Education has been good in making all the possible efforts to improve...

JEE in Punjabi too after English, Hindi and Gujarati

Punjab Minister Tript Rajinder Singh Bajwa requested the joint technology entrance exam (main) to be conducted in Punjabi and other regional languages too. In his letter to Union HRD Minister Ramesh Pokhriyal Nishank, the Punjab Minister for Higher Education and...

CBSE DATE SHEET 2020

Central Board of Secondary Education, CBSE is to conduct the 10th and 12th Board Examination 2020 from February 15, 2020. Due to University Admissions, CBSE has shifted Board Exams dates from 1 March to February 15 from 2019. This year too CBSE would be making changes...

×
Studies Today