5.3: The Green Revolution

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23 Terms

1

Green Revolution

A period of agricultural transformation involving new strategies to increase food production, including the use of mechanization, GMOs, fertilizers, irrigation, and pesticides.

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2

Mechanization

The use of machines and equipment, such as tractors and combines, to increase farming efficiency and profits while increasing reliance on fossil fuels.

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3

High-yield variety (HYV) crops

Hybrid or genetically modified crops designed to produce a higher yield per unit of area, often created by cross-pollinating parent plants with desirable traits.

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4

Genetically Modified Organisms (GMOs)

Crops whose genetic material has been altered to include desirable traits such as drought tolerance, pest resistance, or faster growth.

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5

Synthetic Fertilizer

Man-made fertilizers that provide essential nutrients (nitrogen, phosphorus, potassium) to crops, replacing traditional organic fertilizers.

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6

Irrigation

The artificial application of water to soil to assist in growing crops, which can increase yields but also risk groundwater depletion and salinization.

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7

Pesticides

Chemicals sprayed on crops to kill pests; while they increase agricultural yields, they can harm non-target species and lead to environmental issues.

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8

Soil Erosion

The removal of the top layer of soil due to factors like heavy machinery use, which can be exacerbated by modern agricultural practices.

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9

Eutrophication

The process where excess nutrients, particularly nitrates and phosphates from fertilizers, run off into water bodies, leading to algal blooms and oxygen depletion.

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10

Climate Change

Long-term changes in temperature and weather patterns primarily caused by human activities, including agricultural emissions from fossil fuel use.

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11

Benefits of the Green Revolution

The Green Revolution led to increased food production, reduced hunger in many parts of the world, improved crop yields through the use of high

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12

Negative Consequences of the Green Revolution

The Green Revolution led to environmental degradation, increased dependency on chemical inputs, widening economic disparities between farmers, depletion of water resources, and reduced soil fertility due to over-reliance on synthetic fertilizers.

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13

Benefits of Mechanization

Mechanization leads to increased efficiency and productivity in farming, reduces labor costs, allows for more timely planting and harvesting, and can enhance crop quality.

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14

Negative Consequences of Mechanization

Mechanization can lead to job losses for farmworkers, increased reliance on fossil fuels, greater soil compaction, and may lead to higher production costs due to equipment maintenance and repairs.

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15

Benefits of High-Yield Variety (HYV) crops

High-Yield Variety (HYV) crops can significantly increase food production per acre, improving food security, enhancing farmer incomes, and contributing to rural development.

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16

Benefits of GMOs

GMOs can lead to higher crop yields, reduced reliance on chemical pesticides due to built-in pest resistance, improved nutritional content, and the ability to grow crops in challenging environmental conditions.

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17

Negative Consequences of GMOs

GMOs can lead to environmental concerns, such as loss of biodiversity, potential development of pesticide-resistant pests, and ethical issues regarding food labeling and corporate control over seeds.

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18

Benefits of Synthetic Fertilizer

Synthetic fertilizers can lead to increased crop yields, improved crop quality, and faster plant growth by providing essential nutrients directly and in a more readily available form.

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19

Negative Consequences of Synthetic Fertilizer

The overuse of synthetic fertilizers can lead to soil degradation, water contamination through runoff, eutrophication of water bodies, and increased dependence on chemical inputs.

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20

Benefits of Irrigation

Irrigation increases agricultural productivity by providing a consistent water supply, enabling crop growth in arid regions, maximizing yields, and supporting multiple cropping seasons.

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21

Negative Consequences of Irrigation

Irrigation can lead to groundwater depletion, salinization of soils, reduced water quality through runoff, and can disrupt local ecosystems and hydrological cycles.

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22

Benefits of Pesticides

Pesticides can significantly increase agricultural yields by effectively controlling pest populations, protecting crops from damage, and thus ensuring better food production and farm profitability.

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23

Negative Consequences of Pesticides

The use of pesticides can harm non-target species, including beneficial insects, birds, and aquatic organisms, and can

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