NCERT Explained: Class VIII Geography, Chapter 4 - Agriculture: Cultivating Our Future

Introduction to the Topic

Agriculture is not just a profession; it is the backbone of the global economy and the primary source of food for billions. In Class VIII Geography, Chapter 4, we delve into the fascinating world of Agriculture. The term 'Agriculture' is derived from the Latin words ager or agri, meaning field, and cultura, meaning cultivation. It is defined as the science and art of cultivation on the soil, raising crops, and rearing livestock.

Did you know that nearly 50 percent of the world’s population is engaged in agricultural activity? In a country like India, two-thirds of the population still depends on agriculture for their livelihood. This chapter helps us understand how food moves from a seed in the ground to the plate on our table, exploring the various methods, systems, and crops that sustain human life across different geographical regions.

Key Concepts Explained

1. Economic Activities: The Foundation

Before we dive deep into farming, we must understand where agriculture fits in the broader economic landscape. Human activities are generally divided into three categories:

• Primary Activities: These involve the extraction and production of natural resources. Agriculture, fishing, and gathering are prime examples.
• Secondary Activities: These are concerned with the processing of natural resources. For example, weaving cloth from cotton or baking bread from wheat.
• Tertiary Activities: These provide support to the primary and secondary sectors through services. Transport, trade, banking, and insurance are tertiary activities.

Agriculture is a primary activity because it involves the direct extraction of products from the earth.

2. Factors Influencing Agriculture

Agriculture is not possible everywhere. It requires specific conditions to flourish. The two most important factors are:

• Topography: The relief of the land. Flat plains are generally more suitable for farming than rugged mountains.
• Climate: Temperature and rainfall determine which crops can grow in a particular area. For instance, rice needs plenty of water, while wheat thrives in moderate conditions.

The land on which crops are grown is known as arable land.

3. The Farm System

Agriculture or farming can be looked at as a system. Like any system, it has inputs, processes, and outputs.

• Inputs: These include seeds, fertilizers, machinery, and labor. Physical inputs like sunshine, temperature, and soil quality also play a vital role.
• Processes: These are the actions taken on the farm, such as ploughing, sowing, irrigation, weeding, and harvesting.
• Outputs: These are the final products we get from the system, such as crops, wool, dairy, and poultry products.

4. Types of Farming

Farming practices vary globally based on geographical conditions, demand for produce, labor, and level of technology. They are broadly classified into two types: Subsistence Farming and Commercial Farming.

A. Subsistence Farming

This type of farming is practiced to meet the needs of the farmer’s family. It usually involves low levels of technology and household labor. It is further divided into:

• Intensive Subsistence Farming: The farmer cultivates a small plot of land using simple tools and more labor. Rice is the main crop, along with wheat, maize, and pulses. It is prevalent in the thickly populated areas of the monsoon regions of South and East Asia.
• Primitive Subsistence Farming: This includes shifting cultivation and nomadic herding.
• Shifting Cultivation: A plot of land is cleared by felling trees and burning them. The ashes are mixed with soil, and crops are grown. Once the soil loses its fertility, the land is abandoned and the farmer moves to a new plot. It is also known as 'Slash and Burn' agriculture.
• Nomadic Herding: Herdsmen move from place to place with their animals for fodder and water along defined routes. They typically rear sheep, camels, and goats for milk, meat, and wool.

B. Commercial Farming

In commercial farming, crops are grown and animals are reared for sale in the market. The area cultivated and the amount of capital used are large. Most of the work is done by machines.

• Commercial Grain Farming: Crops like wheat and maize are grown for commercial purposes. These are common in the sparsely populated temperate grasslands of North America, Europe, and Asia.
• Mixed Farming: The land is used for growing food and fodder crops as well as rearing livestock. It is practiced in Europe, the eastern USA, Argentina, and parts of India.
• Plantations: This is a type of commercial farming where a single crop like tea, coffee, sugarcane, cashew, rubber, banana, or cotton is grown. Large amounts of labor and capital are required.

5. Major Crops

A large variety of crops are grown to meet the requirements of the growing population. These include:

• Rice: The staple diet of the tropical and sub-tropical regions. It needs high temperature, high humidity, and high rainfall. It grows best in alluvial clayey soil. China leads in production, followed by India.
• Wheat: Requires moderate temperature and rainfall during the growing season and bright sunshine at the time of harvest. It thrives in well-drained loamy soil.
• Millets: Also known as coarse grains, they can be grown on less fertile and sandy soils. They are hardy crops that need low rainfall and moderate temperatures. Examples: Jowar, Bajra, and Ragi.
• Maize: Requires moderate temperature, rainfall, and lots of sunshine. It needs well-drained fertile soils.
• Cotton: Requires high temperature, light rainfall, 210 frost-free days, and bright sunshine for its growth. It grows best on black and alluvial soils.
• Jute: Known as the 'Golden Fibre,' it grows well on alluvial soil and requires high temperature and heavy rainfall.
• Coffee: Requires a warm and wet climate and well-drained loamy soil. Hill slopes are more suitable for this crop. Brazil is the leading producer.
• Tea: A beverage crop grown on plantations. It requires a cool climate and well-distributed high rainfall throughout the year for the growth of its tender leaves.

6. Agricultural Development

Agricultural development refers to efforts made to increase farm production in order to meet the growing demand of the increasing population. This can be achieved through increasing the cropped area, the number of crops grown, improving irrigation facilities, and using high-yielding variety (HYV) seeds and fertilizers. The ultimate aim is to ensure food security.

7. A Tale of Two Farms: India vs. USA

The chapter provides a stark contrast between farming in a developing country like India and a developed country like the USA.

• The Indian Farm: Usually small in size (about 1.5 hectares). The farmer often rents machinery or uses traditional bullocks. The farmer lives in a village and sells produce in a nearby mandi. Decision-making is often based on traditional knowledge or advice from elders and government officials.
• The USA Farm: Much larger (average 250 hectares). The farmer lives on the farm. Heavy machinery like tractors, seed drills, and levelers are used. Soil samples are tested in laboratories. The farmer acts more like a businessman than a traditional peasant, often using satellites to monitor the fields.

Summary & Key Takeaways

• Agriculture is a primary activity involving crop cultivation and livestock rearing.
• Economic activities are classified into Primary, Secondary, and Tertiary sectors.
• Farming is a system consisting of Inputs (seeds, labor), Processes (sowing, irrigation), and Outputs (crops).
• The two main types of farming are Subsistence (for family needs) and Commercial (for profit).
• Shifting cultivation and Nomadic herding are forms of primitive subsistence farming.
• Major crops include Rice, Wheat, Millets (food), Cotton, Jute (fibre), and Tea, Coffee (beverages).
• Agricultural development aims at increasing production to ensure global food security.
• There is a significant difference in the scale and technology used in farms in developing nations versus developed nations.