Agroecologia y sustentabilidad

Agroecología y Desarrollo Rural Sostenible en América
Miguel Altieri University of California, Berkeley
Seminario Interno CIAT - Febrero 8, 2006

Derechos reservados: Universidad de California,2006

Peasants were bypassed by agricultural modernization
• Technologies were imposed and did not emerge from a participatory process • Technologies were not appropriate to the needs andcircumstances of peasants • Technologies were not scale neutral (favored larger farmers or those with access to capital, credit, best lands, etc)

Global Pesticide Consumption
• 67% global increasein pesticide use from 1983-1998 • US $34.1 billion dollars in 1998 • 138% increase in pesticide use in Latin America same period • Globally 4.1 billion pounds applied annually

Soybean inArgentina (tons-red, has-blue)
35.000 30.000 25.000 20.000 15.000 10.000 5.000 0 71/72 74/75 77/78 80/81 83/84 86/87 89/90 92/93 95/96 98/99 01/02

Deforestation rates in Argentina due to advanceof transgenic soybean ( 1998-2002)
• Chaco 117,974 hectares • Salta 160,000 “ • Santiago del Estero 223,000 “

Table Nº 2. Reduction of number of agricultural farms in Argentina by Regions. YearTotal Pampas NEA* NOA** Cuyo Patagonia 1988 421.221 196.254 85.249 72.183 46.222 21.313 2002 317.816 136.345 68.332 63.848 32.541 16.750 Difference % - 24,5 - 30,5 - 19,8 - 11,5 - 29,6 - 21,4 Source:On the basis of data from Censo Nacional Agropecuario 2002, INDEC. (*NEA: Northeast Argentina, **NOA: Northwest Argentina). www.indec.gov.ar, date: 11/11/04

pink bollworm

Is Bt cottoneffective?
verticillium wilt
armyworm

boll weevil

armyworms
cabbage looper cabbage looper

Bt cotton

Bud-Bollworm

bollworm

whitefly

whitefly
cotton aphid

time

Lygus bug
thripLygus bug

• Bollgard cotton controls …. tobacco budworm and pink bollworm while supplemental control is needed to control bollworm, soybean looper, armyworms and other non-caterpillar pests. “...