1. Unit 2 Better Living through Agriscience
Determine important elements of a desirable environment and explore efforts made to improve the environment.
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2. Variety in Living Conditions
Home quality
Food
Famines
Family
Neighborhood and community

4. Hot Topics in Agriscience
Preserving the environment using intensive farming practices
Increase efficiencies: existing farmlands and production methods
Use responsibly

5. Variety in Living Conditions (cont’d.)
Climate and topography

6. Factors Influencing Living Environments
Humans and animals
Food and water contamination
Parasites
Insects
Destructive
Beneficial
Chemicals
Careful management and control
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7. Hot Topics in Agriscience
Pesticide reduction and biotechnology
Genetically engineered plants: Colorado potato beetle
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8. Our Shared Living Environment
Habitable regions
Balance required
Plants, animals, insects, soil, water, and air
Humans
Excessive populations can damage plants
Only organisms able to improve living environments

9. Our Shared Living Environment (cont’d.)
Animals
Excessive populations can damage plants
In high numbers, compete excessively with humans
Plants
Generally beneficial
Excessive growth infringes on humans/animals
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10. Agriscience in Our Growing World
Science of food production, processing, and distribution
Holds keys to prosperous future
Accounts for 14% of U.S. jobs
Facilitates high standards of living

11. Agri-Profile Career area: environmental management
Specialists in air and water quality, soils, wildlife, fire control, automotive emissions, and factory emissions
Work can be indoors or outdoors, urban or rural settings; or in boats, planes, laboratories, parks, etc.
Global significance: hunger and pollution

12. Changing Population Patterns
More population growth
More children are surviving to adulthood
Adults are living longer
Largest age group
Previously under 25 years old

13. Changing Population Patterns (cont’d.)
Graphs: age profiles in developed countries
Honduras: pyramid-shaped
Canada: narrow bottom cone
Sweden: column
China: impact of policy
Comp: I moved the text down to fix the crash between the head and the first bulleted line of text.

14. Impact of Agriscience Progress through agricultural engineering
Mechanization
“Necessity is the mother of invention”
Electricity in rural areas

15. Impact of Agriscience (cont’d.)
American inventors
Cyrus McCormick: reaper
Thomas Jefferson: iron plow
Eli Whitney: cotton gin
Edmund W. Quincy: corn picker
Joseph Glidden: barbed wire
Anna Baldwin: milking machine
Benjamin Holt: tractor

16. Impact of Agriscience (cont’d.)
Formation of machinery companies
Early 1900s
Improvements to successive inventions
U.S. agriculture: significant expansion
Mechanizing undeveloped countries
Simple, tough, and reliable machines

17. Impact of Agriscience (cont’d.)
Improving plant and animal performance
Loosened soil; planted seeds
Kept animals away until after harvest
Mechanization of agriculture: contributed to larger farms; freed many to learn other trades

18. Bio-Tech Connection Agriscience and biotechnology
Continuation of life: ornamental horticulture; food supply; tree products
Modified animal species
Increased productivity
Genetic engineering
Expanding modern technology throughout the world

19. Impact of Agriscience (cont’d.)
Improving life through agriscience research
George Washington Carver: 300+ uses for the peanut
Soybeans: legumes—protein source; tofu; soy oil
Potatoes: resistant to diseases and insects
Turkeys: smaller breeds
The Green Revolution
AU: Okay to say that potatoes are resistant to diseases and insects? Change “resistant” to “resistance”?
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20. Impact of Agriscience (cont’d.)
Improving life through agriscience research
Cultivated blueberries
Nutritional values: accurate determination
Biological attractants: insect trapping
Recent breakthroughs
Rot-resistant tomato
Natural rubber production
Bioengineered designer foods
I removed the hyphen from bioengineered.

21. Hot Topics in Agriscience
Genetically modified foods
Selective breeding
Genetic engineering: improvements versus controversy
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22. Impact of Agriscience (cont’d.)
Recent breakthroughs
Genetic engineering
Goat’s milk: monoclonal antibodies
Biodiesel from animal fat
Dairy cows: mastitis reduced
Human nutrition: research-based recommendations
I removed the hyphen from Biodiesel.

23. Impact of Agriscience (cont’d.)
Recent breakthroughs
Fire ants: synthetic control
Exotic flowers: hybrids
Satellites and nitrogen gas lasers: detecting nutrients in crops
Sugar beet hybrid: increased sugar yield
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24. Agriscience and the Future
Growing importance in next 100 years
World population increasing
Americans now in international arena
New challenges
International business economy
Biggest markets becoming competitors
Efficiency mandated in farming
Scientific improvements needed in animal agriculture