Improvement in food resources class 9 notes

This article brings you the CBSE Class 9 Science notes on chapter 15 ‘Improvement in Food Resources’ (Part-II) . This part is in continuation with Part I notes where we discussed about the food, its sources, different crop seasons, manure, fertilizers, irrigation and other related facts. Here, you will learn the next remaining topics. Main topics covered in this part of CBSE Class 9 Science, Improvement in Food Resources: Chapter Notes (Part –II), are: • Crop Patterns • Crop Protection Management • Weeds and Methods to Control it • Pests and Methods to Control it • Storage of Grains • Animal Husbandry • Breeds of Cow Key notes for Chapter- Improvement in Food Resources, are: Crop Patterns Different patterns are followed to obtain maximum production from a crop field. They are: 1. Mixed Cropping 2. Inter Cropping 3. Crop Rotation 1. Mixed Cropping: It is the practice of cultivating two or more crops simultaneously on the same piece of land. Most common examples of crops grown together are: Wheat and Mustard Groundnut and Sunflower Wheat and Gram Barley and Chick pea Advantages of Mixed Cropping: • It minimizes the risk of crop failure. • It facilitates the optimum utilization of soil. • Minimizes the damage caused by pests. • Varieties of produce can be harvested at the same time 2. Inter cropping: It is the practice of cultivating two or more crops in the same space at the same time in a definite pattern like few rows of one followed by few rows of other. Advantages of Int...

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Ans. The Green Revolution refers to the period of intense agricultural research and development that took place in the 1960s and 1970s. It resulted in the development of high-yielding crop varieties, improved irrigation systems, and increased use of fertilizers and pesticides. The Green Revolution helped to increase food production and reduce hunger in developing countries. In this doc you can find the meaning of Chapter 15: Improvement in Food Resources - PPT, Science, class 9, CBSE defined & explained in the simplest way possible. Besides explaining types of Chapter 15: Improvement in Food Resources - PPT, Science, class 9, CBSE theory, EduRev gives you an ample number of questions to practice Chapter 15: Improvement in Food Resources - PPT, Science, class 9, CBSE tests, examples and also practice Important questions , ppt , Objective type Questions , class 9 , pdf , shortcuts and tricks , Science , Viva Questions , Science , MCQs , Semester Notes , Sample Paper , Chapter 15: Improvement in Food Resources - PPT , mock tests for examination , Science , CBSE , Extra Questions , Summary , Previous Year Questions with Solutions , Chapter 15: Improvement in Food Resources - PPT , Chapter 15: Improvement in Food Resources - PPT , video lectures , CBSE , class 9 , practice quizzes , past year papers , Exam , CBSE , study material , class 9 , Free;

NCERT Class 9 Science chapter 15 notes deal with improvement in food resources in agriculture and animal husbandry. Improvement in food resources class 9 notes cover a brief outline of topics such as improvement in crop yield and animal husbandry. Some of the topics covered in improvement in food resources class 9 notes are crop variety improvement, nutrient management, storage of grains, cattle farming, poultry farming, fish production and beekeeping. CBSE class 9 science chapter 15 include all of the topics. From the viewpoint of exams, these CBSE class 9 science chapter 15 notes also have quick points to remember. Students can also easily download this class 9 science chapter 15 notes pdf Table of contents Also, students can refer, • NCERT notes Class 9 Science • • NCERT Class 9 Chapter 15 Notes Agriculture and animal husbandry are the two main sectors that cater to most of the food requirements. An increase in food production is necessary for sustaining the increasing population, but additional land area available for producing crops and livestock is limited, therefore the efficiency of food production is to be increased. Sustainable agriculture and animal husbandry should be followed. Improvements In Crop Yield Different types of crops should be grown to fulfil various uses. Cereals for carbohydrates, pulses for protein, oil seeds for fats; vegetables, spices, and fruits for vitamins and minerals, etc. Berseem, oats, and Sudan grass are fodder crops. Every crop has it...

On this page, you will find Improvement in Food Resources Class 9 Notes Science Chapter 15 Pdf free download. CBSE NCERT CBSE Class 9 Science Chapter 15 Notes Improvement in Food Resources Improvement in Food Resources Class 9 Notes Understanding the Lesson 1. The population of India is more than one billion people, and it is still growing. So, the need of the hour is to increase the food production. This can be done by farming on more land. India is already intensively cultivated, so the only way out is to increase our production efficiency for both crops and livestock. 2. There is a need for sustainable practices in agriculture and animal husbandry to increase food production without degrading our environment and disturbing the balances maintaining it. 3. Types of Revolutions Related to Increase in Food Production • Green revolution: increase in food grain production. • White revolution: increase in milk production. • Blue revolution: increase in fish production. • Yellow revolution: increase in oilseed crops production. • Golden revolution: increase in pulse production. 4. Kharif season crops: These are grown in rainy season from the month of June to October. Paddy, soyabean, pigeon pea, maize, cotton, green gram and black gram are kharif crops. 5. Rabi season crops: These are grown in winter season from November to April. Wheat, gram, peas, mustard and linseed are Rabi crops. 6. Msyor groups of activities for improving crop yields • Crop variety improvement • Crop prod...

Chapter 15 Improvement in Food Resources This chapter covers the topic of “improving food resources”. The NCERT notes for Grade 9 Science Chapter 15 presented in this article contains all in-text questions and detailed answers to help students understand this chapter and prepare for the exam. Vidyakul's experienced experts have developed these notes in a detailed and structured way to help students understand the concepts. Students can download the notes and prepare for the final exam. Students can practice more than 1,420 questions from 64 different books on Vidyakul for free to prepare for the exam. Read on to learn more about NCERT notes for Science Chapter 15 Chapter 9. CBSE CLASS 9th CH-15 Points to Remember We have provided some important points from NCERT Class 9 Science Chapter 15 Improvement in Food Resources that students must remember. Students can refer to the points below: • Food crops include wheat, rice, maize, pulse, vegetables, spices and fruits. • Commercial crops include cotton, jute, flax, hemp, etc. • On the basis of seasonal variation, crops are of two types – Rabi crops and Kharif crops. • Rabi crops or winter season crops are planted in November and harvested in April. Such crops are wheat, barley, gram, pea and mustard. • Kharif crops or summer season crops are planted in June and harvested in October. Such crops are maize, millets, groundnut, soyabean, cotton, jute, etc. • Irrigation is the alternative source of water other than rainwater and is u...

The last chapter of class 9 science improvement in food resources deals with teaching students different types of food resources and how we can improve the quality of these resources. While reading the chapter students will learn about cattle farming, poultry farming, fish production, egg, and broiler production. The chapter improvement in food resources is a theory based chapter making notes and studying the chapter with that note will help students to learn the concepts at their own pace. To help students learn the concepts we have provided the revision notes for improvement in food resources. Also Read