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- NATION, Page 21American NotesMINNESOTADay of the Locusts
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- The rich farming areas of western Minnesota, still
- suffering the effects of last year's drought, now have a plague
- to contend with: millions of crop-destroying grasshoppers are
- creating conditions reminiscent of the Dust Bowl 1930s.
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- Dry weather has prevented the germination of a fungus that
- kills the locusts' eggs, enabling two particularly harmful
- species to hatch in overwhelming numbers. Since spring the
- hungry hordes have infested thousands of acres in 36 counties,
- chewing up wheat, corn, sugar beets and soybeans. Normally,
- fewer than ten locusts occupy the average square yard of land;
- crop damage begins when the number rises to about 30. This
- summer some Minnesota fields are aswarm with as many as 1,200
- hoppers per sq. yd. Fields in the worst areas look as if they
- had been struck by hailstones.
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- State law requires control measures on infested property.
- But chemical spraying, the only real choice in some areas,
- disturbs environmentalists. They say the more effective
- pesticides can wipe out virtually all insects in an area and may
- also threaten drought-weakened wildlife. Organic farmers fear
- that the chemicals will taint their crops, shutting them out of
- a lucrative market. Yet if nothing is done soon, the problems
- could multiply: the maturing locusts are expected to lay more
- eggs in August.
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