400 ft Elevation Project – Using Hawaiian Volcanic Organic Farm Top Soil
Current Site Conditions
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Black Cinder Base:
- A layer of black cinder is already installed, providing excellent drainage and root aeration.
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Top Soil Characteristics:
- HVO.Farm Top Soil is nutrient-rich but heavy (dense organic material with moisture retention properties).
Recommended Top Soil Application
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Depth of Top Soil Over Cinder:
- Spread 4 to 5 inches of HVO.Farm Top Soil over the existing cinder base.
This lighter layer prevents excessive compaction while still giving enough richness for soycia root growth.
Soil-to-Cinder Ratio Recommendation
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Top Dressing Mix Ratio:
- Blend 60% HVO.Farm Top Soil + 40% Black Cinder before applying it over the base.
Blending extra cinder into the heavy top soil lightens it, improving drainage and preventing waterlogging without losing fertility.
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Why 60/40?
- At 400 ft elevation, rainfall can be moderate to heavy.
- Soycia grass needs both good drainage and consistent moisture, not
waterlogged soil. - The 60/40 blend creates a lighter, airier soil structure ideal for sod plugs and stolons to spread and root quickly.
Additional Tips for Successful Soycia Planting
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Starter Fertilizer:
- Before installing plugs and stolons, lightly sprinkle Organic Chicken Pellets to promote faster rooting.
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Top Dressing:
- After planting plugs/stolons, lightly top-dress with an additional ½ inch of the 60/40 blend to encourage quick stolon spread.
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Watering Schedule:
- Keep soil evenly moist for the first 3–4 weeks — avoid letting it fully dry out or become muddy.
Summary Chart
| Layer | Material | Depth/Ratio |
| Bottom Layer | Existing Black Cinder | Already Installed |
| Top Layer |
60% HVO.Farm Top Soil + 40% Black Cinder |
4 to 5 inches |
| After Planting |
Light Top-Dress with 60/40 Blend |
0.5 inch |
For Premium Soil, Fertilizers, and Inoculants:
www.HawaiianVolcanicOrganicFarm.com
Mahalo for trusting HVO.Farm for your project!