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The causes of those phenomena should be partly ascribed to:

Reckless and too much intensive soil exploitation, like monoculture and vegetation cutting, which led to a progressive soil impoverishment transforming humus in dust and making worse the consequences of natural events.

The remote causes were:

The great depression of 1929 which due to the lack of money didn't allow proper investment to protect the soil, to adopt new technologies and pushed the farmer to extend the cultures in order to maintain unchanged their income.

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∙ 13y ago
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