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Scientifically Proven...

Compost and Vermicast is Proven to work

Over the past five years, there has been a
dramatic increase in the amount of international
scientific research investigating the benefits of
vermicast as a soil conditioner and fertiliser.
The results have been favourable – vermicast
has been shown to increase both yield and
quality in a range of crops, both overseas and in
New Zealand.
Scientific studies have documented that vermicast
produces growth responses in plants that are far
greater than would be expected from supplying
nutrients alone, as in most traditional fertilisers.
Humic acids stimulate plant root growth and
increase the permeability of roots to nutrients.
The natural plant growth hormones found in
vermicast have been shown to have dramatic
effects upon plant growth.
Research
Atiyeh R; Lee S; Edwards C.A.; Arancon N.Q;
Metzger J.D (2002). The influence of humic acids
derived from earthworm-processed organic
wastes on plant growth. Bioresource Technology
84 (2002), pages 7-14.
Senn T; Godley W.C. A review of humus and
humic acids. Horticulture Department Research
Series No.165 Clemson University http www.
livearth.com/articles/art2.htm
Atiyeh R.M; Edwards C.A; Subler S; Metzger
J.D (2001). Pig manure vermicompost as a
component of a horticultural bedding plant
medium: effects on physiochemical properties
and plant growth. Bioresource Technology 78
(2001), pages 11-20.
Atiyeh R.M; Edwards C.A; Subler S; Metzger J.D
(2000). Earthworm-processed organic wastes
as components of horticultural potting media
for growing marigold and vegetable seedlings.
Compost Science & Utilization, (2000), Vol 8,
No.3, pages 215-223.
Gange A. (1993). Translocation of
Mycorrhizal fungi by earthworms during
early succession. Soil Biol. Biochem.
Vol 25, No.8, pages 1021-1026.
Arancon N.Q; Edwards C.A; Lee S.S
Yardim (2002). Management of plant
parasitic nematode populations by use of
vermicomposts: Proceedings of Brighton crop
protection conference-pest and diseases.
Vol 2, 8B-2, pages 705-710.
Chaoui H; Edwards C.A; Brickner A; Lee S.S;
Arancon N.Q (2002). Suppression of the plant
diseases, Pythium (damping-off), Rhizoctonia
(root rot) and verticillium (wilt) by vermicomposts:
Proceedings of Brighton crop protection
conference-pest and diseases. Vol 2, 8B-3, pages
711-716.
Gunadi B; Edwards C.A; Arancon Q(2002).
Changes in trophic structure of soil arthropods
after the application of vermicomposts. European
Journal of Soil Biology 38 (2002), pages 161-165.

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