Revision Notes for Class 8 Social Science Chapter 26 – Agriculture

Revision Notes for CBSE Class 8 Social Science Chapter 26 – Free PDF Download
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Social Science NCERT Solutions for Class 8

Chapter NameAgriculture
ChapterChapter 26
ClassClass 8
SubjectGeography Revision Notes
CategoryRevision Notes

Quick Revision Notes

Points to remember:

  • Economic activities are of three types: (i) Primary Activities, (ii) Secondary Activities, (iii) Tertiary Activities.
  • Primary activities are those activities which are connected with extraction and production of natural resources, for example, agriculture, fishing, etc.
  • Secondary activities are concerned with the processing of natural resources to manufacturing products like baking of bread, weaving of cloth, etc.
  • Tertiary activities provide services like transport, trade banking, insurance, advertising, etc.
  • Agriculture is a primary activity which include growing crops, fruits, vegetables, flowers and rearing of livestock.
  • 50% of persons in the world are engaged in agricultural activity.
  • 2/3 of India’s population is still dependent on agriculture.
  • Favourable topography of soil and climate are vital for agricultural activity. The land on which the crops are grown is known as arable land.

Various types of cultures:

  1. Agriculture: raising crops and rearing livestock
  2. Sericulture: rearing of silk worms and silk production
  3. Pisciculture: Breeding of fish
  4. Viticulture: Cultivation of grapes
  5. Horticulture: Growing of vegetables, flowers and fruits

Farm System:

  1. Agriculture or farming is a system in which seeds, fertilizers, machinery and labour are important inputs.
  2. Ploughing, sowing, irrigation, weeding, and harvesting are some of the operations.
  3. The outputs from the system include crops, dairy, wool and poultry products.
  4. Farming includes the rearing of crops as well as animals.
  5. Farming removes the concern of farmers of bad crops and crop loss as well.

Type of Farming:

  1. Farming depends upon the geographical conditions, demand of produce, labour and level of technology.
  2. Subsistence farming and commercial farming are the two types of farming.
  • Subsistence Farming: Subsistence farming is practices to meet the needs of the farmer’s family and needs less technology and labour.
  • Intensive Subsistence Agriculture: In this farming, the farmer cultivates a small plot of land using simple tools and more labour. Rice is the main crop. Other crops include wheat, maize, pulses and oil seeds. This type of cultivation produce little to be left over and mainly farmers fullfil only personal needs.
  • Primitive Subsistence Agriculture: Primitive subsistence agriculture includes shifting cultivation and nomadic herding.
  • Shifiting Cultivation: In shifting cultivation, after cultivation the soil is abandoned and the cultivator moves to a new plot. Shifting cultivation is also known as ‘slash and burn’ agriculture. In most of the part of country it has been banned as proved to be futile.
  • Nomadic Herding: In nomadic herding, herdsmen move from place to place with their animals for fodder and water along defined routes. Sheep, yak and goats are the herding animals. They sell their milk and flesh in market and get things for survival.
  • Commercial Farming: In commercial farming crops are grown and animals are reared and grown  for sale in market. it involves high mechanisation and less labour. Developed nation mostly perform this farming extensively.
  • Commercial Grain Farming: In commercial grain farming crops like wheat and maize are grown for commercial purpose. This farming practiced in temperate grasslands of North America, Europe and Asia.
  • Mixed Farming: In mixed farming, the land is used for growing food and fodder crops and rearing livestock. it protects against crop loss.
  • Plantation: Plantations are a type of commercial farming where single crop of tea, coffee, sugarcane, cashew, rubber, banana or cotton are grown. These crops are labour intensive and needs specific climatic conditions.
  • Major Crops: A variety of crops or many crops are grown to meet the requirement of the growing population. Major crops of India are: Rice, Wheat, Millets, Maize, cotton, jute, coffee, tea.These crops can be grow as subsitance as well as commercial level.
  • Agriculture Development: Agricultrure Development refers to efforts made to increase farm production in order to meet the growing demand of increasing population. It includes better farming practises, better crops variety and awareness of farmers.
  • A Farm in India: A typical Indian, Munna Lal has a farmland of about 1.5 hectares. He purchases high yielding varieties of seeds from the market every alternate year. mostly subsistance farming exist in India. Labour availability and small size of farm lands make it for farmers to use intensive farming practices.
  • A Farm in the USA: The average size of a farm in the USA is about 250 hectares. The farmers grow corn, soyabean, wheat, cotton and sugarbeet. Crops are grown at commercial level. large farm lands and less population is suitable to development of this type of farming in developed nations.