Der Bote für Tirol1819–18293 tags
Method for protecting young fruit trees against ants
A historical note from 1828 recommends drawing a chalk ring around tree trunks to effectively protect young fruit trees from ant infestation.

Zeitungsreise: Living History
1 article
A historical note from 1828 recommends drawing a chalk ring around tree trunks to effectively protect young fruit trees from ant infestation.
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