Girdling roots - Girdling roots can kill a tree or shrub over time.
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Girdling Twine or Straps - girdling twine or straps left on newly planted trees or shrubs can kill them within three years.
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Gray Water - Trying to figure out what exactly is "gray water" and can it be used to water your plants? Hers is an excellent website.
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Gypsum - Commonly believed to increase soil drainage, structure, ph and decrease compaction it must be understood that this only happens in some soils.
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