Mycorrhiza attaches itself to plant roots and enhances the plant’s ability to absorb water and essential nutrients from the soil. In return, the plant supplies carbohydrates produced through photosynthesis as a source of energy for the fungus. This relationship creates a system of mutual dependence and reinforcement.

The role of mycorrhiza extends beyond a single plant. Through a network of fine thread-like structures known as hyphae, it expands the reach of roots into soil spaces that would otherwise be inaccessible. This network also enables the exchange of nutrients and chemical signals between plants, forming a natural communication system beneath the ground.

Read Also: The Use of Mycorrhiza Improves Reclamation Quality in the Martabe Gold Mine Area 

In general, mycorrhiza can be classified into two main types. The first is ectomycorrhiza, which forms a sheath around the surface of plant roots. The second is arbuscular mycorrhiza, also known as endomycorrhiza, which penetrates root tissues and is commonly found in tropical regions, particularly in degraded land.

In the context of mining, post-mining land typically experiences a decline in quality, including low nutrient content, poor soil structure, and limited water retention capacity. These conditions present significant challenges for land rehabilitation and revegetation.

This is where mycorrhiza plays a vital role as a nature-based solution. Its capabilities help to:

• Improve the uptake of essential nutrients such as phosphorus and nitrogen,
• Enhance plant resilience to drought and extreme environmental conditions,
• Improve soil structure, enabling better retention of water and air, and
• Increase the success rate of plant establishment in rehabilitated areas.

The application of mycorrhiza is commonly carried out through inoculation, which involves introducing mycorrhiza to plant seedlings at the nursery stage. In this way, plants develop a beneficial partnership early in their growth, making them better prepared to adapt once planted in the field. Additionally, mycorrhiza can be applied as a biofertiliser mixed directly into the soil.

Findings from various studies, including those conducted in the Martabe Gold Mine area, indicate that mycorrhiza not only thrives in natural forests but can also establish itself in nutrient-poor reclaimed land. Its presence has been shown to accelerate plant growth and support the restoration of biodiversity. Mycorrhiza may not be visible to the eye, yet its role is profoundly real. It is a silent force that sustains life, a quiet ally that strengthens roots, and an essential part of maintaining ecological balance particularly in restoring life to once-degraded land.

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Previously, Henny Dump served as a disposal site for mining waste materials. Once it ceased to be used for operational activities, the area became a priority for reclamation to restore it to an environmentally friendly and productive state.

Read Also : Mine Reclamation: Planting Hope, Preserving the Future

The reclamation process at Henny Dump adopts a revegetation approach, replanting disturbed areas with selected vegetation. The planting pattern follows a 3 x 3 meter spacing system, tailored to the soil characteristics and land contours, while also taking into account the climatic conditions of the region. The plant species chosen to re-green Henny Dump fall into two main categories: 

Pioneer and Fast-Growing Species 

These include Waru, Trembesi, White Teak, and Sengon. These plants are cultivated to provide natural shade and accelerate vegetation cover development, while also offering protection to slower-growing species. Furthermore, pioneer species are capable of producing natural seedlings, reinforcing long-term reclamation success. 

Local Forestry Species 

These include Hapinis, Tambiski, Laban, and Simarbaliding. Although they grow more slowly, these species are resilient and long-lived. Their presence enhances biodiversity and contributes to the development of a more stable and sustainable secondary forest ecosystem. 

The selection of species is carried out meticulously, taking into consideration their resistance to nutrient-poor soils, acidity levels, and the potential presence of heavy metals in the soil. 

The success of the Henny Dump reclamation is not only visible through the once-barren land now flourishing with greenery but is also supported by scientific research. 

Two species in particular, White Teak (Gmelina arborea) and Sengon (Falcataria moluccana), have demonstrated high Importance Value Index (IVI) scores, reaching up to 150 percent. This indicates their high adaptability and dominance in aiding environmental restoration in the Henny Dump area. Both species are capable of thriving in acidic, heavy-metal-contaminated soils, particularly those containing iron (Fe).

Read Also : Turning Waste into Energy, Agincourt Resources Utilizes Used Oil for Blasting Operations

In fact, monitoring data from 2019 to 2022 show that iron concentrations in the area dropped by as much as 82 percent. This means that beyond restoring visual and ecological conditions, the vegetation in Henny Dump also plays an active role in phytoremediation, an ecological process in which plants naturally filter and absorb hazardous substances from the soil. 

As of 2025, Agincourt Resources has successfully reclaimed 43.36 hectares of land across various operational and exploration zones. This achievement stands as tangible proof of the Company’s commitment to sustainable mining practices, which focus not only on resource extraction but also on restoring the natural landscape that follows. 

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