Soil and Its Uses - PowerPoint PPT Presentation

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Soil and Its Uses

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Title: Soil and Its Uses Author: Darren Divine Last modified by: Daryl Sweeney Created Date: 10/22/1998 9:06:40 PM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Title: Soil and Its Uses


1
Agriculture
EEE 105
http//www.life.uiuc.edu/animalbiology/105/
Name eee105
Password prAIRie
2
Genetically Modified Crops
3
Genetically Modified Crops
4
Genetically Modified Crops
e.g. Bt crops
Bacillus thuringiensis
a common soil bacterium
produces an insecticidal protein
long used by organic gardeners
bt gene inserted into crop genomes
5
Bt corn
64
24
2001
6
Bt corn
The Starlink fiasco
7
Bt corn
Cry9C protein
not digested
is it allergenic?
8
Bt corn
Taco Bell
Cry9C
9
Bt corn
10
Genetically Modified Crops
11
Genetically Modified Crops
  • 1998 European Union bans new GMO crops
  • Frankenfoods
  • Japan South Korea follow
  • 10/01 EU requires labeling of GMO crops
  • U.S. rejected labeling

12
Genetically Modified Crops
13
Bt corn
Is Bt harming good insects?
14
Genetically Modified Crops
15
Integrated Pest Management
16
Integrated Pest Management
understand biology of pest crop
seek to restrain, not eliminate, pest
combine genetic, chemical, biological control
methods
17
Integrated Pest Management
18
Factory Farming
Livestock Farming
a family farm
19
Factory Farming
  • Mega hog farms
  • 10 million hogs in North Carolina
  • Hog waste lagoons

20
Factory Farming
a waste lagoon
one mega hog farm produces
as much waste as 12,000 people
a true lagoon
21
Factory Farming
22
Factory Farming
23
Factory Farming
Spills, seepage
24
Factory Farming
Spills, seepage
Fish kills
25
Factory Farming
Pfiesteria -- the Cell from Hell
Spills, seepage
Fish kills
Pfeisteria
-- the Cell From Hell
26
Factory Farming
  • 70 U.S. grain production fed to livestock
  • 40 of antibiotic usage is in livestock feed
  • Antibiotic-resistant bacteria evolve in cattle
    dairy industry
  • U.S. Hormone-treated beef banned by Europe

27
Factory Farming
Beef
Range-fed no more
28
Factory Farming
Beef
Cattle Feed lots
29
Factory Farming
Beef
Grass-fed cattle take 4-5 years to raise
30
Factory Farming
Beef
Cattle Feed lots
Corn-fed beef
Reach 1200 lbs in 14 months
31
Factory Farming
Beef
Corn-fed beef
High is saturated fats
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