vetiver system applications in spain and portugal
TRANSCRIPT
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VETIVER SYSTEM APPLICATIONS IN SPAIN AND PORTUGAL
Dr. Paul Truong
TVNI and Veticon Consulting
Brisbane, Australia. All materials in this document remain the property of Veticon Consulting Pty
Ltd. Permission must be obtained for their use. Copyright © 2016
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An EU funded project costing over USD1.1M, using Atriplex alimus to stabilise section of highway between Murcia and
Cartagena
SPAIN – INFRASTRUCTURE PROTECTION
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The plant failed to establish one year after planting despite intensive irrigation
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Vetiver Grass Demonstration Trial In Lorca
Due to the failure of Atriplex alimus on the highway between Murcia and Cartagena, in 1993 the EU funded a demonstration trial using Vetiver grass to stabilise the batter of an access road leading to a industrial complex near LORCA
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LORCA site in 1997, 3 YEARS AFTER PLANTING Diego Frutos, Murcia Agriculture and Water Conservation Officer
VETIVER VETIVER CONTROL CONTROL
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LORCA 1997 3 YEARS AFTE PLANTING
Three years after planting at LORCA in 1997, Vetiver established well with drip irrigation during establishment phase (the first summer)
and no further irrigation
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Excellent growth with no irrigation after 3 years
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CONTROL PLOT Very little natural colonisation of native plants despite initial irrigation
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Very few natural colonisation of native plants in
control plot
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Excellent growth with no irrigation after 3 years on the drain at foot of the slope
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General view of Lorca site in 1998, 4 years after planting.
CONTROL VETIVER VETIVER
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Lorca site in 1998 Note no natural colonisation of native plants. Paul Truong, Tiscar Espigares: Madid University, Mike Pease: TVNI
European Coordinator, Portugal and Diego Frutos: Murcia Agriculture and Water Conservation Officer
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CONTROL VETIVER
Contrast between vetiver and control plots at Lorca site, 4 years after planting.
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VETIVER CONTROL
Contrast between vetiver and control plots at Lorca site with serious rill erosion in control plot.
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Excellent vetiver growth with no irrigation at Lorca site, 4 years after planting.
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Four years after planting on drain at foot of the slope
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CONTROL
CONTROL PLOT Very little natural colonisation of native plants despite initial irrigation
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Soil And Water Conservation In Almond Orchard Vetiver row was accidentally sprayed with RoundUp
VETIVER
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PORTUGAL – VETIVER SYSTEM APPLICATIONS
Antonio de Mello introduced Vetiver from Zimbabwe in 1996 to establish a nursery at Santarein, NE Lisbon for use in soil and water conservation and land stabilisation on his farm. Subsequently in 1998 a number of trial plots were established by government agencies and private properties throughout the Algarve, Alentejo and Azore In 1998 Mike Pease, European Coordinator of The Vetiver Network International (TVNI, a NGO), invited Dr Paul Truong, TVNI Technical Director to present a series of Seminars in Odiaxere and Tavira. The seminar were well received by both government agencies and private properties, resulted in some major projects. Vetiver System has since been used for erosion control, ornamental and pollution control in Portugal.
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Antonio de Mello Vetiver nursery at Santarein, NE
Lisbon
PORTUGAL – EROSION CONTROL
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Antonio de Mello used vetiver to stabilise Creek bank, dam wall and other erosion control in his farm
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Terrace Rehabilitation In Monchique Ancient terraces at Monchique being used for horticultural
production
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After centuries of neglect the terraces were collapsing. Vetiver grass was used to reclaim the terraces
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Onsite community nursery was established to provide planting materials for terrace restoration project
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PORTUGAL – ORNAMENTAL
Vetiver planting as green screen to hind
concrete wall and ugly scene in
Algarve
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Vetiver planting as green screen to hind
concrete wall and median strip with
Lavender in Algarve
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PORTUGAL POLLUTION CONTROL
Vetiver planting on back yard to absorb
domestic sewage effluent form septic
tank in Algarve
Regrowth after trimming
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Vetiver planting on back yard to absorb domestic
sewage effluent form septic tank in Algarve
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PORTUGAL: AZORE ISLAND
The potential use of Vetiver was also recognised for stabilising highly erodible steep slopes derived from volcanic pumice on
Azore island. Frequent life threatening landslides occurred during the rain season
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Frequent landslides and mudslides during the
rain season
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Vetiver nursery established by
the Azore Forestry
Department
Two year old plant ready for planting out next
Spring