Pine needles make a great mulch, but do they make soil acidic, or is this a gardening myth? I ask Stephen Legaree to share his thoughts on the topic. Also, please see the links to sources on this topic below:
Links provided by MrChipGardener:
Forest Industry Council - [ Ссылка ]
Washington State University - [ Ссылка ]
Links to additional sources:
Colorado State University Extension [ Ссылка ]
GardenMyths.com
[ Ссылка ]
"Decoding Gardening Advice", p. 49
[ Ссылка ]
Stephen also used these references:
Wood Chip Mulch: Landscape Boon or Bane?
[ Ссылка ]
Woodchips.pdf
BorealForest.org
[ Ссылка ]
Acid Rain Effects - Soils [ Ссылка ]
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