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This page provides information on wood chips. While providing extensive information on wood chips, there is a section focused specifically on stormwater applications for wood chips.

Overview and description

Applications for wood chips in stormwater management

Properties of wood chips

This section includes a discussion of chemical and physical properties of wood chips, and potential contaminants in wood chips,

Chemical-physical properties of wood chips

Chemical and physical properties of wood chips

Potential contaminants in wood chips

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Effects of wood chips on physical and chemical properties of soil and bioretention media

In this section we provide information on effects of wood chips on pollutant attenuation and on physical properties of soil and engineered media.

Effects of wood chips on retention and fate of phosphorus

Effects of wood chips on retention and fate of other pollutants

Effects of wood chips on soil physical and hydraulic properties

Effects of wood chips on soil fertility, plant growth, and microbial function

Standards, classification, testing, and distributors

Wood chip standards and specifications

Recommended values for wood chips used in a growth media (Source: see reference list in this section)
pH
Electrical conductivity (ms/cm)
Cation exchange capacity (meq/100g)
Nitrogen (%)
Phosphorus (%)
Potassium (%)
Copper (% minimum)
C:N ratio (minimum)
Lignin (%)
Total organic matter (% minimum)
Moisture (%)
Ash content (%)
Impurities
Fiber content
Expansion l/kg
Water holding capacity l/kg


Distributors

Test methods

Effects of aging

Prabhu and Thomas (2002) provide an extensive discussion of wood chips decomposition.

Storage, handling, and field application

Sustainability

References