It is not known how vetiver might work as a medicine. When slopes approach the vertical, the hedges must be placed so close together that little or no land is left for farming. Separate tillers carefully, and be sure to include the bases and some roots. characteristics already mentioned. Description. Vetiver is occasionally applied directly to the skin for stress relief, emotional trauma and shock, lice control, and insect repellency. Put plants into 20 litre plastic bag, and tie it closed. strength of 75 Mpa or one-sixth of ultimate strength of mild steel. Workshop on Potential Application of the VS in the Arabian Gulf Region, Kuwait City, March 2006. Vetiver is also known as Khus in India. with particular reference to engineering applications. Washington, DC: The National Academies Press. It was In Zimbabwe, VGT has been extensively used for the maintenance of In Technical Bulletin N0. It is cheap and usually easy to establish, and the hedges are easy to maintain. This is especially true in marginal lands where a little fertilizer or a little water may be needed to help the young plants through their establishment phase. The exclusive use of only sterile vetiver cultivars (C. zizanioides) will prevent weedy vetiver from becoming established in a new environment. Introduction | Vetiver Grass: A Thin Green Line Against Erosion |The Transporting large volume and increased weight is expensive. upstream. Similar saving could be expected elsewhere as the saving was stabilisation, thick growth for water spreading and sediment trapping and extraordinary Sumanochitrapan S., and Topangteam S. (1996). Following the extensive research In many places this will undoubtedly prove impractical, but it could nonetheless be invaluable to certain projects involving canals, rivers, reservoirs, flood-control facilities, and other. establishment of indigenous grass species. of vetiver hedges under deep flow were determined by flume tests at the University of Vetiver grows to a height of around one metre but should be cut back to a planting height of 150mm. The objective of this work was to evaluate the root system of Vetiver grass through different methodologies. one-sixth of mild steel. appreciably. Dalton, P A, Smith, R J and Truong, P N V (1996). will form thick hedges and with their stiff stems these hedges can stand up to at least Master of Engineering Thesis, University of Vetiver oil is found in a variety of herbal skincare products, including soap, face wash, and lotions. First Int. Needs frequent irrigation in the first few weeks. Ideally, too, techniques for mass use must be cheap, uncomplicated, easy to understand, and simple to maintain under Third World conditions. municipality ( Xu, pers.com.). What is Vetiver Grass? - The Vetiver Network West Indies Topography: Slightly sloping land avoids water-logging in case of over watering. This requires nurseries capable of producing large quantities of high quality, low cost plant materials. indicated the local environment could benefit from the introduction of vetiver. Vetiver - Soil and Water Conservation - Vetiver Grass UK Fifteen years of bio-engineering in the wet tropics from A. Kingett Mitchell and Associates Ltd (1995). Martinez, J., Rosa, P. T., Menut, C., Leydet, A., Brat, P., Pallet, D., and Meireles, M. A. Valorization of Brazilian vetiver (Vetiveria zizanioides (L.) Nash ex Small) oil. supplied the planting materials to the field supervisors and labourers, who planted the Synonyms: Andropogon muricatus Retz. 100 years and it has been widely used for soil and water conservation purposes for more soil movement, resulting in very little erosion in fallow strips and a young sorghum crop technology it has to be learnt and applied appropriately for best results. Although other grasses and trees have been used as vegetative barriers for soil conservation, vetiver seems to combine several characteristics that make it special: It reduces erosion when in a hedge just one plant wide. bio-engineering techniques, partly to the soft vegetative approach instead of Dense hedges when planted close together, reducing flow velocity, diverting runoff water Requires planting in moist soil. The main advantages of the strips are the vetiver plants were established close together Mining Council Envir. Vetiver is a plant. OTHER NAME(S): Anatherum zizanioides, Andropogon odoratus, Brazil. Some methods give extra income, but some need more management or higher investment. rainfall condition this depletion would reduce soil moisture up to 1.5m from the hedges Copyright 2023 National Academy of Sciences. For example in one instance Proc. Food and Agriculture Organization of the United Nations (FAO). others. One is that in certain locations the farms are laid out as narrow strips going up and down the slopes. Photo 10: In the centre south, in Quang Ngai (left) and Binh Phuoc (right). Vetiver contains an oil that repels insects. WebMD does not provide medical advice, diagnosis or treatment. Vetiver grass: Nursery development, field planting techniques, and hedge management. Vetiver Network Newsletter N0.19, June 1998. that the extra water will increase the pore water pressure in the soil which could lead to unknown plant, possesses some unique features of both grasses and trees by having 4 000 km of highway were built in Fujian. Recommended for good nursery sites with easy access to irrigation. This Vetiver Grass Technology as a bio-engineering tool for Vetiver Propagation: Nurseries and Large Scale Propagation. as this species produces viable seeds its application should be restricted to their home However, vetiver is not like a lawn or pasture species; it is a big, coarse, very tough bunch grass and it grows to about 1 m wide at the base with a clustered mass of dense stems. Tube stocks are tubed or potted plants (4-5 week old) which can be kept in nursery and glyphosate or uprooting and drying out. These 53 samples came from North and South America, Based on the above, it is clear that the advantages of using the VGT as an bio-engineering tool outweigh its disadvantages particularly when the vetiver plant is used as a pioneer species. L Vn B, V Thanh Tn, Nguyn Th T Uyn.(2006). Show this book's table of contents, where you can jump to any chapter by name. USES. and Xia et al, 1999). Cairns August, 1998. Vetiver grass is an "ecological-climax" species[10] with a deep dense spongy root system that binds soils together. Adams, R P., Dafforn, M R. (1997). List of various diseases cured by Vetiver Grass. Another is due to the sad fact that certain farmers feel little for the stewardship of their land. Second National Conf. floods in the area in the last two years. slope instability. It identified the following reasons: Erosion prevention is seen as an end in itself. on Agric., 29 Jan-1 Feb 1992 (in Thailand). road batters and creek banks and general erosion and sediment control (Truong, 1998). compare the effectiveness of an Australian native vetiver (Vetiveria filipes), Lomandra watering during establishment phase and suitable for large projects. entering water courses (Kingett, 1995). With vetiver, few such figures or factual comparisons are available. Bud multiplication or in vitro micro propagation for large scale propagation. (Truong and Baker, 1998). Vetiver grew vigorously on kimberlite, Vetiver is a tropical Asian plant that has been brought to both hemispheres tropics, where it has escaped cultivation and become a weed in some areas. A section of the 91-104. Vetiver, a little-known tropical grass, offers one practical and inexpensive way to control erosion on a huge scale in both humid and semi-arid regions. in India who were introducing vetiver grass (Vetiveria zizanioides, reclassified recently as Chrysopogon zizanioides) technology to farmers for the first time. stormwater inflow to the Manukau Harbour, Auckland. Vetiver is a tropical grass and is able to withstand temperatures to -15 o C, but it is unlikely to grow in the UK as quickly or robustly as it does in Tropical and Mediterranean regions. associated with the construction of the massive Three Gorge Dam in the Chongqing Knowledge of this method for stopping soil loss is based almost entirely on empirical observation and, in some cases, even on anecdote. Bare root slips are freshly subdivided slips from large clumps of vetiver grass. of existing cultivars in Australia and rigorously tested for its sterility. When at least three new tillers (shoots) appear, the plantlets are ready to be planted. No. the wild and seeded north Indian genotype. supplied fresh for planting within a week. of a 60m long box culvert section on the highway in southern Queensland. conditions will have beneficial effects on slope stability. This means that 15 tons of soil have gone, but the loss of only a millimeter is not noticeable!". one of the major effect of vegetation cover on sloping lands and there has been concern and Extension. technique and recently a bio-engineering tool, the application of VGT requires the P. Blaikie, 1985, The Political Economy of Soil Erosion in Developing Countries, Longman, Harlow, UK. This structure has been fully protected from several flood flows Thailand. This In this regard, VGT has done the job it was designed to do and no longer needed when the Dalton, P.A.(1997). The grass grows tall and forms large clumps like bamboo. the long term. Before recommending any technique, researchers may wish to conduct careful experiments, with appropriate replications and controls, but erosion waits for no one. 153-8.. Hengchaovanich, D.(1998). soil and water conservation in agricultural lands for more than 50 years, its real impact The second disadvantage of VGT, or rather its potential disadvantage at this stage, is grass is fast growing and with its very extensive and deep root system can provide the All of these procedures have merit, and most of them are better known at present than the vetiver system. 3.0 MAIN APPLICATIONS OF VGT IN CIVIL CONSTRUCTION. Before donning these hats in the midday sun, a little water is sprinkled on them to protect them from sunstroke. doi: 10.17226/2077. Chrysopogon zizanioides - Wikipedia VETIVER - Uses, Side Effects, and More - WebMD It does not require foreign exchange or expensive equipment. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version. As can be seen here, the height of the plants shows no obvious drop-off (edge effect) such as would be caused if the vetiver roots were robbing the cane of moisture or soil nutrients. ester compounds through thermal or hydrolytic effects are the principal disadvantages of this extraction method [8]. Evaluation of the root system of Vetiver grass ( Chrysopogon Continue to read the uses of Vetiver. Flood erosion control on the floodplain. A handful of fresh Vetiver roots is placed in the clay pot (Matka) in the summer to keep the household drinking water cool and aromatic. estimated that saving of A$100 000 would be made when VGT was incorporated in the design Asia-Pacific and Southern African regions. (Few, if any, other grasses seem able to hold back soil or moisture when planted in such a thin line.). its effectiveness in erosion control in Fiji. Resource Science Centre, Queensland Department of Natural Photo 4: Vetiver crown or corms (left) and pieces of vetiver culms with nodes (right). application in engineering designs. An assessment of urban and industrial material and the all-important appropriate design and correct planting techniques.. Dr. Paul Truong, Principal Soil Conservationist, Leader Bio-Engineering of VGS in Queensland. Thus, it is not clear which methods farmers might be willing to adopt. presented above, it is clear that we now have enough evidence that VGT is a very effective acid sulfate soils. The main disadvantage of the VGT applications is the intolerance to shading by the Vetiver grass is the coolest grass in town! If you aren't growing Vetiver grass in your yar. When planted upstream from the To prepare rooting hormone from Water Hyacinth: Photo 5: Spraying cuttings with 10% water hyacinth solution (left) and cover cuttings completely with plastic bags, and leave them for 24 hours (right). The 53 samples tested came from North and South America, Asia, Oceania Irrigation method: Overhead irrigation will evenly distribute water in the first few months after planting. dryland salinity and irrigation. agricultural lands, vetiver grass unique morphological, physiological and ecological sediment is not removed (Truong et al,1997). Truong, P N. and Baker, D E (1998). These animals are so destructive that . Failure to do 7.2 Advantages and disadvantages of different planting materials The bare root slips are the cheapest but required splitting the large clumps before planting. These are suitable for machine planting and they also need The information is based on world wide experience including much from Vietnam from 2000 2008. long earthen structure built to cool wastewater on the bed of a flood prone river in planted when needed. collaboration with the Centre for Railway Engineering of Central Queensland University, Nevertheless, vetiver is not a panacea; uncertainties do exist; and there are, of course, other erosion-control techniques. More details are found in Truong (2006). Vetiveria can also be found as scented fibrous roots in Indian marketplaces. The plant displays little brown-purple flowers in long spikes, and the thin leaves and stems are erect and hard. Vetiver Conf. drought. Since that time there have been many advances in the Vetiver System and its wider areas of application. Truong, P, Gordon, I and Baker, D (1996). raised on site to reduce costs. Using various parts of a mother vetiver plant. The increase was 39% Malaysia is currently leading the world in the application of VGT for Div. Each method has its own advantages and disadvantages. PDF Vetiver Grass (Chrysopogon zizanoides L.): A Hyper-Accumulator Crop for MedicalPlantsNews.com website services, content, and products are for informational purposes only. In addition properly laid out hedges can be designed to along the Famy - Infanta road and the Nueva Vizcaya - Benguet road. (At least one forester who worked with the Fiji Pine Commission has complained of big hedges of "missionary grass" that were "a pain to crawl through.") Dafforn,1997)., results of the Vetiver Identification Program, by DNA typing have shown Tissue culture of vetiver grass. Click the link and enter your email address and we'll add you to our list! But the lack of a simple, easy to replicate, and widely adaptable erosion-control technique has in the past boosted the invidious influences of these pernicious societal effects. for soil and water conservation purposes: The south Indian genotype is the main planted on a gradient of about 0.5% as in graded contour terraces to divert the extra (50-70mm apart), and root damages are minimal during planting. Khus syrup and Khus oil are made with it. Farmers and herders are regarded as part of the problem to be solved. bio-engineering technique for revegetation and slope stabilisation of highways and rivers A fifth is that strips of vetiver across the land may sometimes be a nuisance. out, the vetiver hedgerow planted for erosion control was not eaten, even its young stronger than that of many hardwood species which have been proven positive for root R&D and A First International Vetiver Conference (ICV-1), Chiang Rai, Thailand, 4-8 February 1996. p. 61, ORDPB, Bangkok. This increase in soil moisture could be acerbated when the vetiver was It should be stressed that VGT is a new technology. that of rock wall and Xia et al, (1999) showed that in southern China, VGTs It is likely that this would only affect island nations in the temperate zones, such as New Zealand and Britain. 2005 - 2023 WebMD LLC, an Internet Brands company. Enough description. Vetiver Grass Herb Uses, Benefits, Cures, Side Effects, Nutrients soil movement, resulting in very little erosion in fallow strips and the crop was A vetiver hedge can accumulate an amazing amount of soil. Vetiver growing information - Green Harvest subtropical Australia. This in sharp contrast to the control site which remained bare and erodible. Water Bio-engineering, Manila April 1999), KEY WORD: Vetiver grass, erosion and sediment control, runoff, land due to the fact that more knowledge and information on vegetation are now available for by planting of native endemic species. It is important to understand that flora and fauna in an area have co-evolved and that plants and animals become interdependent. but trees are slow and often difficult to establish on such hostile environment. Southern and west Africa, its application is mainly restricted to the sub continent, and Availability of farm machinery: Basic farm machinery is needed to prepare nursery beds, control weeds, cut grass, and harvest vetiver. The effects on agricultural production are usually ignored. Hedges of this deeply rooted species catch and hold back sediments while the stiff foliage acts as a filter that also slows runoff and keeps moisture on site. Xia, H P. Ao, H X, Liu, S Z and He, D Q. later. However on newly constructed slopes, the surface layer is For the last three years, VGT has been used as a major component of a should not be compared with that of hydromulching either. soil conditions. This originated primarily with the use of sweet scented vetiver roots for . It is faster growing and imparts more reinforcement making it a better Faster establishment and growth after planting. Land Management. lands. In India, dry roots of Vetiver are used in evaporative coolers instead of straw or wood. Agri Res Svc: Dr. Duke's phytochemical and ethnobotanical databases. It is widely used in treating fever, dysuria, burning sensation, fatigue syndrome, skin disorders etc. civil construction, mining rehabilitation and flood mitigation. themselves naturally in erosion-control activitiessomething that national planners have long dreamed of. Do you want to take a quick tour of the OpenBook's features? Proc. Spray the cuttings with a 10% water hyacinth solutionUse plastic bags to cover the cuttings completely, and leave it alone for 24 hours. vetiver section remained intact. Vetiver Grass System for Environmental Protection. In country after country, more and more hill slopes and other marginal lands are being brought into cultivation in response to increasing population, decreasing food supplies, and other social and economic pressures. After two years, the site was completely revegetated with vetiver and local species The failures were due entirely to poor application. Moreover, putting in vetiver hedges has several other benefits: It does not require that each site be individually designed. Vetiver, a very fast growing grass and until very recently a relatively 30th Ann. Names of Vetiver Grass in various languages of the world are also given. In the current review, research on vetiver-based phytoremediation of unconventional water . than 50 years, vetiver grass has not become a weed in the new environment (Truong and and Land Rehabilitation Group, Resource Sciences Centre, Queensland Department of Natural innate strength and vigour enable it to penetrate through difficult soil, hard Pacific Rim Vetiver Network. Vetiver has also been used to rehabilitate salt affected lands due to both Considering the vastness of the investments in such civil works throughout the world, vetiver deserves much consideration here. vetiver, ruzie grass, elephant grass and lemon grass. phenomenon implies that stronger fine roots provide higher resistance than larger roots. Vetiver grass is the coolest grass in town! 2.0 SOME SPECIAL CHARACTERISTICS OF VETIVER GRASS. It has outstanding promise as a "safety line" to anchor broad strips of other grasses, such as napier grass. Switch between the Original Pages, where you can read the report as it appeared in print, and Text Pages for the web version, where you can highlight and search the text. If youre breastfeeding, its also better to avoid vetiver. . effectively protected. beneficial insects, as they are the all-important prey enemy of garden, agriculture and It even managed to punch through asphaltic concrete Beyond the advantages of the plant itself, the system of using vetiver is so easy to understand that people almost instantly grasp how to use it to their own advantage. was completely protected from flood damage. Vetiver Grass Technology (VGT) involves the correct application of this Nowhere in the world have I seen real concern for erosion nor public support for erosion-control programs. fast growth and the very extensive root system of the vetiver plants. 8.0 PLANTING MATERIALS AND THEIR SUITABILITY. cultivar used for essential oil production and this is the genotype that being used around Figure 1: Hydraulic Model of Flooding Through Vetiver. In dietary proportions, vetiver is pretty much safe. It is C4 plant and can grow well in marginal land. All rights reserved. been used for essential oil production for centuries and for other purposes around the several awards for his role in R & D of VGT from the World Bank and The Vetiver This dark green syrup with a woody flavor relieves stomach burning caused by Pitta in the summer. so will bring disappointing outcomes and sometimes adverse results. Proc. Rehabilitation trials conducted by De Beers on both tailing dumps and slimes dams, at continue to grow with the new ground level eventually forming terraces, if trapped Preparation requires a longer period to prepare, four to five weeks or longer. Plants are at the bottom of the food chain, therefore, if the plant is .