Erizon uses innovative techniques grounded in science to deliver effective, environmentally friendly revegetation, dust suppression and erosion control solutions for Australia’s mining, oil & gas, civil and infrastructure projects.
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Due to the varying, unpredictable and often harsh environmental conditions displayed across Australia, we understand that successfully revegetating these damaged landscapes can be a problematic process. At Erizon we don’t subscribe to one methodology as we understand that every site is different; therefore, it is our priority to analysis the area precisely and proscribe a solution suited to the site at hand.
Before commencing the rehabilitation process, many of our clients search for appropriate solutions solutions where they will often come across Hydroseeding and Hydromulching. These revegetation methods are both an advanced alternative to traditional planting processes, such as hand and drill seeding. Both approaches are designed to be substantially more economical than laying turf and can reach uneven and inaccessible substrate areas, such as batters, tailing or ash dams. Rather than traditional tactics, our advanced purpose-built HydroRigs™ with built-in agitators will ensure that the hydraulic application maximises a uniform coverage, subsequently underpinning a healthier display of vegetation.
We understand that Hydroseeding and Hydromulching can be used interchangeably, however there are core differences that set them apart as mentioned below.
Hydroseeding is a method of using water as a carrier to apply seeds and fertiliser onto the seedbed. It is important to note that this is different from hydromulching. Our specially designed hydroseeding equipment allows the operator to agitate the mixture to ensure even and constant mixing of ingredients, maximising erosion protection and soil stabilisation.
EnviroSprout is a product that represents a scientifically advanced way to revegetation, compared to traditional methods and is designed to reach difficult low access baring areas, such as batters, when a binder is added to the mix.
EnviroSprout is best used in large areas where the physical and scientific characteristics of the soil consist of a profile designed for optimal vegetation growth, where mulch is not required, and quality irrigation is present. Hydroseeding is simply a method of applying seed and provides limited erosion protection or soil stabilisation until vegetation has been established, therefore it is a solution often recommended to clients with stabilised weather and environmental conditions.
Hydromulching is similar to hydroseeding, but it adds a fibre-mulch to the mixture of seed, fertiliser, and water. The mulch essentially provides a safeguard for the seed, helping it retain moisture for faster germination and growth, while protecting the soil from erosion and the seeds from washing away in the rain. These organic mulch fibres are designed to degrade over several months, making way for vegetation growth to establish.
There are often two types of Hydromulching solutions that we offer depending on a substantial degree of variables suited to the soil substrate – these include:
Hillgrove – Hydroseeding – EnviroSprout
Hydromulching HGM-EnviroPro for hydromulching projects is a high-quality mulch comprising Australian-tested growth mediums such as Hydraulic Growth Mediums (HGM). With water used as a carrier, seed, fertiliser, binder, cellulosic mulch and tracking dye are similarly applied to the seedbed as hydroseeding.
Our EnviroPro combines the benefits of biologically active soil conditioners and fertilisers with the perfect blend of organic mulch fibres, binders and, soil stabilisers. These fibres are hydroscopic, delivering up to 50% more water-holding capacity as they are designed to hold moisture longer and promote germination. This supports faster vegetation growth while minimising erosion and reducing water requirements. Hydromulching assists in suppressing weed growth and supporting native growth to thrive.
Kanmantoo Copper Mine – Mine Site Rehabilitation – EnviroPro
Essentially a heavy-duty growth medium, BFM employs a combination of two passes over the surface area. The first step involves a combination of water, seed, and amelioration being applied onto the surface to ensure effective seed-to-soil contact. The second step consists of spraying cellulosic mulch and proprietary binder and tackifier at a high application rate to ensure erosion effectiveness. BFM’s viscous bonding agent dries to form a protective skin over the treated surface area, while interlocking fibres work to retain a high level of moisture, promoting an ideal growing environment.
EnviroLoc BFM has been designed to provide increased performance in comparison to standard hydromulching solutions when applied to steep batters, slopes, verges, and flat areas. EnviroLoc follows and moulds to the contours of the surface and is perfect for all-terrain types. This provides extended protection against erosion for up to 18 months by offering complete soil surface cover and improved seed germination. This means improved revegetation outcomes and a greater ability to suppress weeds for your project.
RioTinto Mine – Mine Site Rehabilitation – EnviroLoc
If you would like to speak to one of our environmental consultants further about any of our products or services, please don’t hesitate to contact us today, by filling out your details below or calling our head office.