Challenge

GeoGrow was contacted by the David Wilson Group for a solution to issues with vegetation on its Halesfield site caused by lime stabilisation, which had made the soils devoid of organic matter, stopping vegetation.

The end goal was to turn this bleak, unappealing landscape into a vibrant, environmentally-friendly green space.

Solution

GeoGrow opted for the application of its Organix Biotic Soil Amendment to the lime-stabilised clay slope, as a superior alternative to GeoGrow's traditional hydroseeding method, which would have struggled with sustaining vegetation in such conditions.

GeoGrow applied Organix BSA at the maximum recommended rate of 560g/m², in conjunction with two natural slow-release fertilisers. This approach was designed to restore organic matter and nutrient levels in the soil, thereby enabling the slope to sustain long-term vegetation. Given the steep 60° slope angle, GeoGrow used its drought-tolerant grass mix to ensure robust vegetation. Clover and legume species were also incorporated to facilitate nitrogen cycling.

Following this, an EarthGuard Fiber Matrix layer was applied over the top to provide a temporary erosion control measure, helping to secure the seed in place until it could establish, ensuring successful vegetation growth on the slope.

Process

GeoGrow's hydroseeding machine was ideally suited for this application due to the steep gradient of the slope. Its design allowed its team to achieve an even distribution of seed across the entire slope. This capability was crucial in ensuring uniform coverage and promoting effective germination of the seeds.

Works was completed over 2 days, during which an area of 1200m² was covered. The team not only accomplished the task of restoring the poor, depleted soils, but also achieved successful vegetation of the area.

Result

GeoGrow successfully vegetated the 60° slope, transforming what was once a dull, barren lime-stabilised clay slope into a sustainable green space.

This initiative not only enhanced the aesthetics of the area but also contributed significantly to increasing biodiversity and creating natural habitats. The careful selection of applications used enabled the company to achieve lush vegetation on this challenging terrain.

A return visit to the site in April 2024 saw vegetation had established. During another visit in June 2024, GeoGrow extended the hydroseeding to cover additional open areas on site and observed that the wall had further flourished.