CrosswordMint
Sustainable Growth in Permaculture Design
Moderate difficulty suitable for most players
1
2
3
4
Across
  • 1. Organic material spread on soil to conserve moisture and suppress weeds.
  • 2. A shallow trench designed to catch and slow water runoff.
  • 3. The upper layer of vegetation formed by tree crowns.
Down
  • 4. A line of shrubs or trees used as a boundary and habitat.

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