Mechanised tree planting shows promise for safer, smarter forest establishment
Australia and New Zealand’s forest sector is exploring new mechanised tree planting technologies that could improve worker safety, ease labour pressures and deliver more consistent plantation establishment, according to a new Forest & Wood Products Australia (FWPA) industry scan.
The Mechanised Planting Industry Scan draws on insights from growers, contractors, manufacturers and researchers across Australia and New Zealand. It finds mechanised planting is still in its early stages, with most activity focused on trials and small-scale deployment, but interest is growing as the industry looks for safer, more reliable and more efficient establishment methods.
Why mechanised planting matters
Manual tree planting can be physically demanding, particularly on steep terrain and second-rotation sites with heavy slash and harvest residues. Survey respondents identified worker safety and the increasing difficulty of securing seasonal labour as the strongest drivers for considering mechanised alternatives.
The report found mechanised systems could offer benefits beyond planting productivity. Modern machines can combine site preparation, planting, irrigation and fertiliser application in a single operation, reducing repeated machinery passes while improving tree placement and establishment consistency.
Survey participants also highlighted potential benefits including improved seedling survival and early growth, extended planting windows through integrated irrigation, reduced establishment risk, and the capture of tree-level GPS data to support future forest management and harvesting operations.
Promising early results
While the evidence base is still developing, several trials have reported encouraging outcomes. The report cites Victorian trials where machine-planted trees were measured as 67% taller and 43% larger in stem diameter than hand-planted trees under the same conditions. In Western Australia, mechanised planting trials with blue gum seedlings demonstrated improved survival and up to 38% greater growth after six months in moisture-limited environments.
Research and operational experience suggest that carefully matched planting stock, consistent seedling placement and integrated irrigation can produce stronger early establishment and more uniform stands. Current systems include excavator-mounted planting machines suited to steep and variable terrain, as well as higher-capacity continuous planting systems for suitable sites.
Challenges remain
Despite strong interest, high capital costs, limited seasonal utilisation, short contract periods and the need to adapt imported equipment for local conditions continue to constrain investment. Second-rotation plantation environments can be particularly challenging due to stumps, roots, slash and difficult terrain.
The industry also faces challenges around seedling logistics, machine compatibility with different stock types, operator training, technical support and spare parts. As a result, most growers remain cautious and are seeking stronger long-term evidence before committing to large-scale deployment.
Building the business case
One of the report’s key findings is that mechanised planting should not be assessed only on planting speed or cost per seedling. Researchers argue it should be evaluated on a whole-of-operation and whole-of-rotation basis, taking into account safety improvements, reduced establishment risk, lower site preparation requirements, survival rates and future productivity gains.
The report recommends industry-supported multi-site trials, long-term monitoring and stronger collaboration between growers, contractors, manufacturers and researchers to build confidence and generate robust performance data.
| Machine | Platform / Carrier | Planting Capacity | Core Functions | Key Features | Strengths | Weaknesses | Sources |
|---|---|---|---|---|---|---|---|
| M-Planter M-160R | 20-ton excavator | ~160 seedlings/hour | Mound, rip, plant, fertilise, water | 160-seedling carousel, ripper 700–900mm, optional GPS, herbicide | Sub-soiling ripper; good compaction; operational flexibility | Quality sensitive to operator speed/skill; susceptible to soil type | 1 |
| Risutec ASP-720 | 18-ton excavator | Up to 720 seedlings/load | Pitting, planting, fert/gel/pesticide | ASTA/TASK guidance, remote diagnostics | Cassette-based reloading; multi-tasking capability | ASP cultivation may not be suitable; visibility issues with cassette system; susceptible to field vibration | 2 |
| Risutec PM-Series | >14t excavator | 150-160 cassette | Mounding/inverting | Easy load, PM160/120 | Improved reliability; smaller excavator requirement ; site versatility | Susceptible to high slash levels | 3 |
| Risutec SKB-120/240 | 15-25t excavator | 120/240 seedling carousel | Cultivation (ripping) + planting with optional irrigation, fertiliser and herbicide application | Excavator agnostic; seedling cassette option available | Slash clearing; deep planting; good compaction (especially with irrigation) | Manual loading of carousel; operator skill requirement | 4,5 |
| Bracke P11.a | 14–20t excavator | Up to 300/hour | Scarify + plant | PLC control, adjustable depth, 72–88 seedling magazine | Inverted mounding; flexible scarification options; terrain adaptability | Limited seedling capacity; operator skill dependency | 6 |
| Bracke P12.b | 20-24t excavator | 196 cells, ~250-350 seedlings/hour | Scarify/rip + plant + optional irrigate/fertilise | Larger carousel than P11.a | Planting hole creates micro-climate; improved structural engineering | Heavier excavator base; manual loading of seedlings | 7 |
| Komatsu D61EM w/ Bracke heads | Tracked dozer | 900/hour | Triple-head plant + irrigate | Autopilot, GNSS guidance, 3 heads x 196 seedlings | Multi-row planting; dynamic row width; autopilot operation | No integrated site prep; strict terrain limitations; requires clean site | 8 |
| Novelquip PP1 | 5.5t excavator | (Testing phase) | Pit + plant + irrigate | T-slide high-torque auger-style pitting, GPS option | Lower cost; minimal ground disturbance | Low capacity; vulnerable to roots and slash | 9 |
Opportunities for industry
The scan identifies several opportunities to accelerate adoption, including coordinated multi-year programs, shared fleet or leasing models, improved nursery specifications for mechanised planting stock, greater Trans-Tasman collaboration, structured operator training and better integration of tree-level digital data into forest management systems.
A proposed Trans-Tasman mechanised planting network could help standardise reporting, share operational knowledge and support future technology development.
Looking ahead
The report concludes that mechanised planting is unlikely to replace manual planting in all circumstances in the near future. However, with continued research, industry collaboration and targeted investment, it has the potential to become an important tool for improving safety, productivity and plantation establishment outcomes across Australia and New Zealand.
As labour challenges intensify and new technologies evolve, mechanised planting could play an increasingly important role in helping the forestry sector establish forests more safely, efficiently and consistently for future generations.
