The Forest Insect Situation in the Lake States in 1953 (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from The Forest Insect Situation in the Lake States in 1953

Forest production can be maintained at high levels only if forest stands are protected from enemies. Protection from fire has long been a major activity of forestry agencies in the Lake States. However, the need.for protection from the Widespread damage of insect pests has only recently received coordi nated regional effort. A first step has been the initiation of surveys to determine the current and probable damage from important forest insect pests.

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