5.4 The Second Agricultural Revolution+5.5 Green Revolution Flashcards
2 differences between the first and second AR
Hand labor vs mechanized
Natural chemicals vs agrichemicals and pesticides
Nutrient pollution
Too much fertilizer causes chemicals to seep into waterways
Pesticide
Kills unwanted bugs that harm crops
Herbicides
Kills unwanted plants and weeds that harm crops
Mechanical reaper
Cut down wheat instead of using a sythe
Why are railroads important
In order to connect people and transport crops to distant markets
List the 4 impacts of the second agricultural revolution and what
Diet and more population
Economic shift
Substinence to cash crops, instead of meeting family needs market needs were met
Women’s role
Previously specialized in Cheese, factories took this production over causing women to not be apart of the economy
Environment
Nutrient pollution and pesticides that cannot be broken down by the air causing damage
Three characteristics of the green revolution
Development and use of high yield seeds
Increased use of synthetic fertilizers and chemical pesticides
Increased irrigation and mechanization
Positive impacts of the green revolution
Increased crop productivity
Decreased world hunger
Made the use of agricultural land more efficient
Negative impacts of the green revolution
Substistence farming to commercial farming, less plant diversity and genetic variety
Pesticides cause environmental damage m
Improper irrigation use has led to higher soil salinity
Double cropping
Planting another crop on the same plot of land as soon as the first crop has been harvets
Hybrid
The offspring of Two different species or varieties
Green revolution
The US supported development of advanced agriculture in developing countries
