Woody Biomass Crop Trials

Background

This project is examining the suitability of a range of native woody species for biomass production across NSW. The species chosen include mallees, other eucalypts and acacias which have been selected according to their likely suitability to the various climates in NSW, with ability to cope with harsh climatic conditions such as drought and frost. One of the main reasons for selecting mallee species is their proven ability to reshoot naturally from the stump (known as coppicing) after repeated harvest cycles.

The main purpose of the crop trials is to investigate biomass production for bioenergy under short rotation cycles (3-4 years) which would target marginal unproductive areas, for example on farming or mining land. This could be achieved using integrated land management techniques which would result in additional co-benefits associated with increased native vegetation cover. These may include carbon sequestration in the trees, improved biodiversity and soil improvement. On farms, woody crops could be integrated into the landscape through windbreak plantings, in recharge zones, in areas prone to soil erosion and salinity and for rehabilitating degraded soils. We believe there is potential for deriving additional income for landholders by the sale of the biomass and generation of carbon credits.

The bioenergy use options include electricity generation such as combustion using pelletised wood for local energy generation or to feed into the grid and heat generation such as in biomass boilers to heat hospitals, glasshouses and swimming pools. The electricity generation could involve use in dedicated furnaces, co-firing with other energy sources such as coal or used in hybrid biomass-solar systems.


Nursery - Growing seedlings for the biomass crop trials
Scone Crop Trial - Tractor ripping planting lines
Glen Innes Crop Trial - Site preparation riplines
Glen Innes Crop Trial - Seedlings on site for planting
Orange 1 Crop Trial - Planting seedlings
Tamworth Crop Trial - Planting seedlings
Grafton Crop Trial - Planting mounds and planting
Muswellbrook Crop Trial - Inspecting 1 month old trees
Yanco Crop Trial 1 - Inspecting 6 month old trees
Muswellbrook Crop Trial - Inspecting 13 month old trees (E. cladocalyx)
Trangie Crop Trial - Inspecting 15 month old trees (A. saligna)
Scone Crop Trial - Inspecting 18 month old trees (E. cladocalyx)
Yanco Crop Trial 1 - First harvest at 27 months old (E. camaldulensis)
Yanco Crop Trial 1 - First harvest at 27 months old (E. camaldulensis) - stumps will coppice
Yanco Crop Trial 1 - First harvest at 27 months old (E. cladocalyx) - weighing trailer
Yanco Crop Trial 1 - First harvest at 27 months old (A.saligna) - foliage samples for analysis
Yanco Crop Trial 1 - First harvest at 27 months old (A. saligna) - stem samples for analysis
Nursery - Growing seedlings for the biomass crop trials
Scone Crop Trial - Tractor ripping planting lines
Glen Innes Crop Trial - Site preparation riplines
Glen Innes Crop Trial - Seedlings on site for planting
Orange 1 Crop Trial - Planting seedlings
Tamworth Crop Trial - Planting seedlings
Grafton Crop Trial - Planting mounds and planting
Muswellbrook Crop Trial - Inspecting 1 month old trees
Yanco Crop Trial 1 - Inspecting 6 month old trees
Muswellbrook Crop Trial - Inspecting 13 month old trees (E. cladocalyx)
Trangie Crop Trial - Inspecting 15 month old trees (A. saligna)
Scone Crop Trial - Inspecting 18 month old trees (E. cladocalyx)
Yanco Crop Trial 1 - First harvest at 27 months old (E. camaldulensis)
Yanco Crop Trial 1 - First harvest at 27 months old (E. camaldulensis) - stumps will coppice
Yanco Crop Trial 1 - First harvest at 27 months old (E. cladocalyx) - weighing trailer
Yanco Crop Trial 1 - First harvest at 27 months old (A.saligna) - foliage samples for analysis
Yanco Crop Trial 1 - First harvest at 27 months old (A. saligna) - stem samples for analysis

The biomass crop trials map below shows the locations across NSW of the trial sites. There are currently 11 active sites. These are Cargo 1, Cargo 2, Glen Innes, Grafton, Muswellbrook, Orange 2, Scone, Tamworth, Trangie, Yanco 1 and Yanco 2. The site at Orange 1 was terminated in Autumn 2020 after the 6 month measurements due to high mortality, primarily due to the timing of planting and ongoing climatic challenges. Orange 2 has been planted with the most successful site species from the Orange 1 trial, with a variation on the planting design to test alternative planting layouts. Following the map is a table outlining the planting date and the species planted at each trial site.

Biomass crop trials across NSW - location map

Site details

Species Yanco1 Orange1* Glen Innes Scone Tamworth Trangie Muswell-brook Yanco2 Grafton Cargo1 Cargo2 Orange2
Planted Sep-19 Oct-19 Mar-20 Apr-20 May-20 Aug-20 Sep-20 Sep-20 Oct-20 Nov-20 Nov-20 Apr-21
Mallees
Eucalyptus castrensis
Eucalyptus horistes
Eucalyptus infera
Eucalyptus polybractea
Eucalyptus pumila
Eucalyptus viridis
Other Eucalypts Yanco1 Orange1* Glen Innes Scone Tamworth Trangie Muswell-brook Yanco2 Grafton Cargo1 Cargo2 Orange2
Corymbia maculata
Eucalyptus benthamii
Eucalyptus camaldulensis
Eucalyptus cladocalyx
Eucalyptus macarthurii
Eucalyptus moluccana
Eucalyptus occidentalis
Eucalyptus spathulata
Acacias
Acacia dealbata
Acacia saligna
Casuarinas
Casuarina glauca

* Orange 1 was terminated in Autumn 2020 due to high mortality, primarily due to the timing of planting and ongoing climatic challenges. It has been replaced by Orange 2.

Planting

This drone footage was captured by DPI staff during planting of the Orange 1 Biomass Crop Trial in October 2019. The imagery and video show the extent and layout of the Orange site. Approximately 6,000 trees were planted at this site.


Drone aerial photo over Orange 1 crop trial
Drone aerial photo over Orange 1 crop trial

Drone aerial mapping over Orange 1 crop trial

Media coverage

Television Interviews


Yanco Biomass Crop Trial - First harvest - For the very first time scientists are trialing how certain species of trees can create a sustainable form of energy, 9th December 2021



Around 6000 native trees are being planted in Tamworth this week as part of an extensive research project, 13th May 2020



BIOMASS - More than 30,000 native trees will be planted across the state to discover which ones can generate the best sustainable power, 10th October 2019


Radio Interviews



Online Articles and Stories