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• Diseases and Insects
  ...manager of a large agricultural estate, was the founder of an early German agricultural college. He interested himself, among other phases of agriculture, in plant ...arcely be overestimated, as they constitute one of the chief losses in our agricultural resources. The loss from 5 to 25 per cent of many crops from diseases alone
  284 KB (44,920 words) - 08:52, 12 September 2009

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