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Now approved for organic use!
Add life back to your soil with Urban Worm Castings!
These castings have a balanced fungal:bacterial ratio and if you can keep them out of UV light, their quality will persist for 6 months or more.
Recent analysis shows high humic content and nitrogen cycling microbes.
Urban Worm Castings are shown to:
boost plant growth
speed up germination
increase yield by 20-80%
suppress pests and pathogens
improve water retention
Do you need bulk worm castings of more than 50lbs? Either e-mail us or check out our 2250lb SuperSack option.
Now approved for organic use!
Add life back to your soil with Urban Worm Castings!
These castings have a balanced fungal:bacterial ratio and if you can keep them out of UV light, their quality will persist for 6 months or more.
Recent analysis shows high humic content and nitrogen cycling microbes.
Urban Worm Castings are shown to:
boost plant growth
speed up germination
increase yield by 20-80%
suppress pests and pathogens
improve water retention
Do you need bulk worm castings of more than 50lbs? Either e-mail us or check out our 2250lb SuperSack option.
Our 5LB/4QT worm castings can be purchased most cheaply on Amazon!
We've got these bags in the Prime inventory with free 2-day shipping for Prime members!
Use the button below to get them today!
Our worm castings are now approved by the Organic Materials Review Institute (OMRI)
TMECC: Test Method for the Examination of Composting and Compost
US EPA 846-6020: Testing protocols for detecting pollutants in dissolved solutions derived from soils and other matter
Standard Compost Test Results
Moisture: 53%
Solids 47%
pH: 7.1
Soluble Salts: 2.12 dS/m
Organic Matter: 22.7%
Total Organic Carbon: 11.4%
Carbon:Nitrogen Ratio: 14:1
Nutrient Analysis
Nitrogen (N): .8%
Phosporus (P): .04%
Potassium (K): .16%
Magnesium (Mg): .53%
Calcium (Ca): 1.7%
Note: Worm castings almost always have an NPK of 1-0-0.
Application Test Results
Germination Emergence: 100%
Germination Vigor: 100%
Control Seedling Height: 8.1 cm
Vermicompost Seedling Height: 12.5 cm
50% better seedling growth!
We sent our castings to the Soil Food Web New York for a biological assay:
They measured bacteria, fungi, nematodes, amoebae, flagellates, and nitrogen cycling potential
Organism Biomass Data
Active Fungi: 58.05 µ/g
Total Fungi: 402.56 µ/g
Hyphal Diameter: 3.25 µm
Active Bacteria: 45.51 µ/g
Total Bacteria: 1031.80 µ/g
Actinobacteria: 0 µ/g
Organism Biomass Ratios
TF:TB: 0.39
AF:TF: 0.14
AB:TB: 0.04
AF:AB: 1.28
Protists & Nematodes
Flagellates: 90152.39 #/g
Amoebae: 112614.15 #/g
Ciliates 542 #/g
Nitrogen Cycling Potential: 250+ lbs/acre
Nematodes: 24.74 #/g
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