Dale Overton, Overton Environmental Enterprises - Compost ...

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Reproductive Capacity of Useful Species Table 1 – Describing the reproductive capacity of three common composting worms Species Sexual Maturity Time (days) No. 0f Cocoons Cocoon Hatching Time (days) Egg Maturit y (days) Hatching Success (%) No. of offspr ing Net reprorate/ week E. Fetida 53-76 3.8 32-73 85-149 83.2 3.3 10.4 E. eugeniae P. excavatus 32-95 3.6 13-27 43-122 81 2.3 6.7 28-56 19.5 16-21 44-71 90.7 1.1 19.4 D. veneta 57-86 1.6 40-126 97-214 81.2 1.1 1.4 Credit – Sinha et al. - 2009
Vermicompost/Castings ü ü ü Vermicompost (castings) is the end material excreted by earthworms It is a fertilizer and soil conditioner of the highest value (2 - 3.5% N, 1.5 - 2% P, 1 - 1.5% K plus micronutrients) It contains many varieties of plant growth promoting microbes
Page 1 and 2: Putting Worms to Work in Organics R
Page 3 and 4: Organic Waste Streams 1. Residentia
Page 5 and 6: Organic Waste Streams 2. Commercial
Page 7 and 8: Organic Waste Streams 3. Agricultur
Page 9 and 10: Click icon to add picture 4. Munici
Page 11 and 12: Vermitechology Putting Worms to Wor
Page 13 and 14: Benefits of Vermitechnology - Worms
Page 15 and 16: Where can Vermitechnology be Used?
Page 17 and 18: Earthworms are Livestock - Worms ar
Page 19 and 20: What Species are Best? 2. In Northe
Page 21 and 22: Environmental Considerations 3. pH
Page 23: Other Considerations Reproduction
Page 27 and 28: Growth Trial Example 12 10 8 6 4 2
Page 29 and 30: Worm Processing Flow Chart
Page 31: Overton Environmental Enterprises O
Page 44: References Ansari A. A. 2008. Effec

Dale Overton, Overton Environmental Enterprises - Compost ...

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