A talk on biotech crops

1. Who Needs Biotechnology?
by Brian Halweil

2. Global Area of Transgenic Crops Has Exploded, But. . .
Global Area Planted to Transgenic Crops,
1996-2001
0
10
20
30
40
50
60
1996 1997 1998 1999 2000 2001
Source: ISAAA
Million
hectares

3. But Remains Powerfully Concentrated in Two Ways.
1. In terms of where transgenics are planted:
Just three nations—the United States, Argentina, and
Canada—account for 98 percent of all global areas
planted in transgenic crops.
2. In terms of which crops are in production:
Corn, soybeans, cotton, and canola (rapeseed) account for
99 percent of global plantings.

5. Tapping into natural capital— ”billions
and billions of free workers.”

7. Major Pests of Maize in Africa
10-20% loss15-40% loss

8. The Improved Fallow Strategy.

11. The Push-Pull Strategy in the Field

13. 0
1
2
3
4
5
6
7
8
9
Trans-Nzoia Suba
Control
Habitat
management
Average Yield Advantages of Habitat Management
Technologies in Kenya