PEAT

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Benefits: Will lower the soil pH in time; Applies organic matter to the soil.

Limitations: Must be an acid peat; No plant food content; Needs several applications over time.

Environmental: No longer considered a suitable soil additive due to the environmental issues of its use.

Health and Safety:

Timing of application: Autumn dig in or use as a mulch.

Effectiveness of the material: Needs several applications.