Agriculture
Introduction — What Is Agriculture?
AGRICULTURE is the science and art of CULTIVATING the soil, producing CROPS, and raising LIVESTOCK. It is the FOUNDATION of human civilisation. Before agriculture, humans were hunter-gatherers. After agriculture, humans built CITIES, created CIVILISATIONS, and developed COMPLEX SOCIETIES.
'Agriculture is the BACKBONE of human civilisation. It FEEDS the world. Everything you eat — the rice, the wheat, the vegetables, the fruit — comes from someone who FARMS.'
Types of Farming
1. Subsistence Farming
| Feature | Description |
|---|---|
| Purpose | Growing food for the FARMER'S OWN FAMILY — not for sale |
| Land Size | SMALL plots of land |
| Methods | TRADITIONAL. Hand tools (hoe, sickle). Bullocks. |
| Labour | FAMILY labour |
| Output | JUST ENOUGH to feed the family (little or no surplus) |
| Where | Developing countries. India, parts of Africa and Southeast Asia. |
2. Commercial Farming
| Feature | Description |
|---|---|
| Purpose | Growing crops for SALE in the MARKET — for PROFIT |
| Land Size | LARGE farms |
| Methods | MODERN. Machines (tractors, harvesters). Chemical fertilisers. |
| Labour | HIRED labour |
| Output | LARGE surplus — sold in domestic and INTERNATIONAL markets |
| Where | Developed countries. USA, Canada, Australia, Europe. |
3. Plantation Farming
A TYPE of commercial farming where a SINGLE CROP is grown on a LARGE ESTATE.
| Feature | Description |
|---|---|
| Crop | ONE crop on a large estate |
| Labour | LARGE number of workers |
| Climate | TROPICAL and SUBTROPICAL regions |
| Capital | HIGH investment (processing, packaging, transport) |
| Products | Usually EXPORTED |
Major Plantation Crops:
| Crop | Major Producers |
|---|---|
| Tea | India (Assam, Darjeeling), China, Sri Lanka, Kenya |
| Coffee | Brazil, Vietnam, Colombia, India (Karnataka) |
| Rubber | Malaysia, Indonesia, Thailand, India (Kerala) |
| Sugarcane | Brazil, India, China, Thailand |
| Coconut | Philippines, Indonesia, India (Kerala) |
| Banana | India, China, Philippines |
4. Shifting Agriculture (Slash and Burn)
| Feature | Description |
|---|---|
| Method | Clear forest → BURN vegetation → FARM for 2–3 years → MOVE to new area |
| Tools | Very basic (digging sticks, axes) |
| Fertility | Ash from burnt vegetation provides NUTRIENTS — but soil EXHAUSTED quickly |
| Where | TRIBAL areas. Northeast India ('JHUM' farming), Amazon basin, Congo basin. |
| Problem | Leads to DEFORESTATION. Not SUSTAINABLE with large populations. |
Major Crops and Their Conditions
| Crop | Type | Temperature | Rainfall | Soil | Major Producers |
|---|---|---|---|---|---|
| Rice | Staple grain | HIGH (25–35°C) | HIGH (150–200 cm) | Clayey (holds water) | China, India, Indonesia |
| Wheat | Staple grain | COOL (15–25°C) | MODERATE (50–100 cm) | Well-drained loamy | China, India, USA, Russia |
| Maize | Grain | WARM (20–30°C) | MODERATE (50–100 cm) | Well-drained | USA, China, Brazil |
| Cotton | Fibre | WARM (25–35°C) | MODERATE (50–100 cm) | BLACK soil (regur) | India, China, USA |
| Sugarcane | Cash | HOT (25–35°C) | HIGH (100–150 cm) | Well-drained loamy | Brazil, India, China |
| Tea | Plantation | WARM, HUMID | HIGH (150–250 cm) | Well-drained SLOPES | India, China, Sri Lanka |
| Coffee | Plantation | WARM (15–28°C) | HIGH (150–200 cm) | Rich, well-drained | Brazil, Vietnam, Colombia |
Rice — The Most Important Staple
'Rice is the STAPLE FOOD for more than HALF the world's population.' It requires:
- HIGH temperature (25–35°C)
- HIGH rainfall (150–200 cm) or IRRIGATION
- Standing WATER in the fields (paddy fields)
- CLAYEY soil that holds water
Major rice producers: China (largest), India (2nd), Indonesia, Bangladesh, Vietnam.
Wheat — The Temperate Staple
Wheat is the Main food in TEMPERATE regions and in NORTHERN INDIA.
- COOL growing season (15–25°C)
- MODERATE rainfall (50–100 cm)
- Well-drained LOAMY soil
- Requires DRY, SUNNY weather during HARVESTING
Major wheat producers: China, India, USA, Russia, France.
Cotton — The Fibre Crop
Cotton is the MOST IMPORTANT natural fibre. India is the 2nd LARGEST producer.
- WARM climate (25–35°C) with at least 200 FROST-FREE days
- MODERATE rainfall (50–100 cm)
- BLACK SOIL (regur) is IDEAL — rich in calcium, retains moisture
- The BLACK SOIL of the Deccan Plateau is PERFECT for cotton
Agricultural Development — The Green Revolution
What Was the Green Revolution?
In the 1960s and 1970s, India faced SERIOUS FOOD SHORTAGES. The GREEN REVOLUTION transformed Indian agriculture:
| Factor | What Changed |
|---|---|
| Seeds | HIGH-YIELDING VARIETY (HYV) seeds — produce MUCH MORE grain per plant |
| Fertilisers | CHEMICAL fertilisers (nitrogen, phosphorus, potassium) |
| Irrigation | Canals, tube wells, dams — WATER available year-round |
| Machinery | Tractors, harvesters, threshers |
| Pesticides | Chemicals to control PESTS and diseases |
The Result: India's wheat and rice production INCREASED DRAMATICALLY. India became SELF-SUFFICIENT in food grains by the 1970s.
The Heroes: M.S. SWAMINATHAN (the 'Father of the Green Revolution in India') and Norman Borlaug (Nobel laureate).
Problems Caused by the Green Revolution
- Groundwater DEPLETION: Excess use of tube wells
- Chemical POLLUTION: Fertilisers and pesticides polluted soil and water
- Loss of Biodiversity: Traditional crop varieties DISAPPEARED
- Soil DEGRADATION: Overuse of chemicals reduced soil fertility
- Unequal Benefits: Rich farmers BENEFITED more than poor farmers
ICSE Exam Focus
| Question Type | Marks | Likely Topics |
|---|---|---|
| Short Answer | 3 | Distinguish subsistence and commercial farming |
| Short Answer | 2 | Name the four types of farming with examples |
| Short Answer | 2 | Describe the Green Revolution |
| Short Answer | 2 | Conditions for rice / wheat / cotton cultivation |
| MCQ | 1 | Crops / conditions / producers |
Common Mistakes in ICSE Exams
- Confusing RICE and WHEAT conditions — Rice = HOT + WET. Wheat = COOL + MODERATE rain.
- Saying the Green Revolution ONLY had benefits — It had ENVIRONMENTAL costs (groundwater depletion, chemical pollution).
- Forgetting the 'JHUM' (shifting agriculture) example for India — Practised in Northeast India.
- Calling plantation farming a SEPARATE type — It is a form of COMMERCIAL farming.
Self-Test: 5 Questions
Q1. Distinguish SUBSISTENCE and COMMERCIAL farming. A1. SUBSISTENCE: Food grown for the FAMILY. Small land. Traditional methods (hand tools, bullocks). Little or no surplus. Developing countries (India, Africa). COMMERCIAL: Food grown for SALE. Large farms. Modern methods (machines, fertilisers). Large surplus. Developed countries (USA, Canada, Australia).
Q2. What are the CONDITIONS for growing RICE? Name major producers. A2. Rice requires: HIGH temperature (25–35°C), HIGH rainfall (150–200 cm) or irrigation, standing WATER in paddy fields, and CLAYEY soil that holds water. Major producers: CHINA (largest), INDIA (2nd), INDONESIA, BANGLADESH, VIETNAM.
Q3. What is the GREEN REVOLUTION? What were its benefits and problems? A3. The Green Revolution (1960s–70s) was a DRAMATIC increase in food production using HYV seeds + chemical fertilisers + irrigation + pesticides. BENEFITS: India became SELF-SUFFICIENT in food grains. PROBLEMS: groundwater depletion, chemical pollution, loss of biodiversity, soil degradation, unequal benefits for rich vs poor farmers.
Q4. What is PLANTATION AGRICULTURE? Give examples of crops and producers. A4. Plantation agriculture is a type of COMMERCIAL farming where a SINGLE CROP is grown on a LARGE ESTATE. Examples: TEA (India — Assam, Darjeeling), COFFEE (Brazil, Colombia), RUBBER (Malaysia, India — Kerala), SUGARCANE (Brazil, India).
Q5. What is SHIFTING AGRICULTURE? Why is it a problem? A5. Shifting agriculture (slash and burn or 'JHUM' in Northeast India) is a method where farmers CLEAR forest, BURN the vegetation, FARM for 2–3 years, then MOVE to a new area. The ASH provides nutrients, but the soil is EXHAUSTED quickly. It is a problem because it leads to DEFORESTATION and is UNSUSTAINABLE with growing populations.
