Analysis Sheet
Engineered Soil Blends
(Rain Garden Soil)
This is a soil blend engineered for rain garden applications or bioretention cells. Can also custom blend to engineer specs.
60% Coarse Sand
20-40% Garden Compost
20% Topsoil (optional)
DNR Recommended Specifications |
Green Earth Yard Materials Compost |
Organic Matter Min. 40% Organic Matter |
48.71 % |
Carbon to Nitrogen ratio Shall be between 10-20:1 |
10:1 |
pH pH shall be between 6-8 |
7.7 |
Soluble Salts Shall be below 10 dS/m |
4.43 dS/m |
Moisture Content -Shall be between 35% - 50% by weight |
35% |
Nitrogen (N) |
.91% |
Phosphorus (P) |
.21% |
Potassium (K) |
.70% |
Pathogens Shall be minimized and Pathogenic contamination shall be in compliance with US EPA 503 |
Negative for all tested: E. Coli, Salmonella, and Fecal Coliform
|
Stablilty |
Compost Very Stable
|
Screened |
77% passes through a 5/32 inch screen |