Topic 5.4

Essential Knowledge

The Second Agricultural Revolution marked a major shift in how food was produced. New technologies and farming practices dramatically increased agricultural productivity, which in turn reshaped population patterns, labor systems, and economic development. 

New technology and increased food production in the Second Agricultural Revolution led to better diets, longer life expectancies, and more people available for work in factories. 

The Second Agricultural Revolution occurred primarily in Europe during the 18th and 19th centuries, particularly in Great Britain, and laid the groundwork for the Industrial Revolution. 

Key Technological and Agricultural Innovations 

1. Improved Farming Tools
   • Development of iron and steel plows increased efficiency 
   • Mechanized seed drills allowed precise planting 
   • Reduced labor needs while increasing yields 
2. Crop Rotation
   • Introduction of four-field crop rotation 
   • Alternating crops restored soil nutrients 
   • Reduced fallow periods and increased output 
3. Selective Breeding
   • Farmers bred plants and animals for desirable traits 
   • Resulted in healthier livestock and higher yields 
   • Improved quality and quantity of food supplies 
4. Enclosure Movement
   • Common lands were privatized and fenced 
   • Enabled more efficient farming practices 
   • Displaced many rural laborers 
5. Impacts on Food Production
   • Increased agricultural yields 
   • More reliable food supply 
   • Reduced famine in Europe 
   • Expansion of commercial agriculture 

These changes allowed agriculture to support larger populations with fewer workers. 

Demographic and Social Effects 

Better Diets 

• Increased availability of calories and nutrients 
• Greater dietary diversity 
• Improved overall health 

Longer Life Expectancy 

• Decline in death rates 
• Fewer famines and food shortages 
• Improved resistance to disease 

Population Growth 

• Rapid population increase in Europe 
• Higher population densities in cities 

Connection to Industrialization 

Surplus Labor 

• Fewer workers needed on farms 
• Displaced rural populations migrated to cities 
• Provided labor for factories 

Urbanization 

• Growth of industrial cities 
• Shift from rural to urban economies 
• Creation of new social classes 

Economic Transformation 

• Transition from agrarian economies to industrial economies 
• Increased productivity and wealth accumulation 

Spatial and Cultural Impacts 

• Agricultural innovations diffused from Europe to other regions 
• Regions adopting new technology developed faster 
• Uneven diffusion contributed to global development gaps 

Contextualization

Video 1

In Practice

Essential Knowledge:  

Explain how changes during the Second Agricultural Revolution contributed to urbanization 

Check for Understanding:  

(copy these statements as you acknowledge they are true. If you don’t understand the topic, review it before moving on.) 

• I can:  
• Explain how agricultural technology affects population patterns 
• Analyze the link between agriculture and industrialization 
• Describe how farming innovations lead to urban growth 
• Evaluate the social and economic consequences of agricultural change 

Vocabulary Review:  

Provide a shorthand working definition for each of the following terms. This means it needs to be in YOUR OWN WORDS. 

1. Globalization of Agriculture 
2. Second Agriculture Revolution  
3. Industrial Revolution  

MCQ

You only need to write the letter of the answer that you select

1. Which of the following was a major consequence of the Second Agricultural Revolution in Europe?

A. A decline in agricultural productivity and food production
B. Increased migration from cities to rural areas
C. Population growth resulting from improved food supplies and lower death rates
D. Greater dependence on subsistence farming

2. The enclosure movement contributed to industrialization in Europe primarily because it

A. encouraged nomadic herding across Europe
B. displaced rural workers, many of whom migrated to cities in search of employment
C. reduced agricultural efficiency and increased food shortages
D. eliminated the use of new farming technologies

3. A geographer studying the diffusion of agricultural innovations observes that some regions industrialized more rapidly than others after adopting new farming technologies. This observation best supports which conclusion about the Second Agricultural Revolution?

A. Agricultural innovations had little impact beyond food production.
B. The diffusion of agricultural technology contributed to uneven economic development among regions.
C. Agricultural innovations reduced the need for urbanization.
D. Industrialization occurred independently of agricultural change.