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21.10.2021 Source: AWEX
AWEX EMI 1369 +46
Micron 17 2508 +35
Micron 18 2161 +94
Micron 19 1716 +76
Micron 20 1360 +45
Micron 21 1295 +63
Micron 22 1254n +62
Micron 26 705n +19
Micron 28 423 +8
Micron 30 342 +2
MCar 883 -6
Shrubs
The ongoing development of quality forage shrubs now delivers a variety of options for woolgrowers to fill feed gaps and manage previously unusable or unproductive land on their property.

In a wool production system, ensuring that feed gaps are filled to ensure consistency of fibre strength and quality is essential. Areas that were previously affected by excessive salt or lack of water retention, for example, can now be transformed into stable, productive and regenerated land.

AWI’s previous investment in the Enrich project (2005-2014) identified new options for sustainable grazing systems incorporating Australian perennial shrubs. Shrubs can assist with natural resource management because of their ability to grow and survive in difficult environmental conditions. This often results in assisting with improved environmental outcomes and economic stability and growth for producers.

Recent investment by AWI in the development of forage shrubs, such as Anameka saltbush (Atriplex nummularia, developed by AWI and CSIRO), and an ever-increasing variety of fodder and forage shrubs and trees that have become available, means growers can now access a wide variety of species to meet their feed management, soil and landscape challenges.

With so many of these new options available, forage shrubs are a choice for growers to consider. It is important, however, that growers have a clear understanding of their landscape, their flock’s nutritional requirements and the capacity for shrubs to meet those needs and continue to monitor the condition of their sheep to ensure their nutritional requirements are being met.

Often, forage shrubs are co-planted with a range of other pastures, such as serradella, to provide increased nutrition for grazing stock.

Additionally, forage shrubs may provide shelter from wind and the elements, crucial for lambing flocks.

Many of these forage shrubs are now available as well-established seedlings which provide the best avenue for establishment success. Depending on your location, planting machinery may also be available for hire to assist with establishment.

AWI is currently investing with MLA and CSIRO in the project “No more gaps with superior shrub systems”  to demonstrate to growers the benefits of shrubs in their system. This project will deliver reported options for growers in establishment – including from seed- which will reduce establishment costs, and the many ways that these shrubs can be incorporated in a grazing system with a focus on the inclusion of annual legumes within the shrub planting sites.

 

Further reading

Looking for more information on establishing Saltbush on your property?

The WA South Coast NRM has undertaken research on the role that shrubs may have in reducing carbon footprint and improving productivity: https://landcareaustralia.org.au/project/increased-productivity-marginal-saline-lands/

Garry Page from Pingelly WA, on his success with a mixed Saltbush, other forage shrubs and pasture system to support his production: https://swccnrm.org.au/enriching-pastures-and-profits-with-high-value-forage-shrubs/

AWI co-invested in the Enrich Program from 2005-2014. Here are the projects findings outlined in the final report: https://www.mla.com.au/contentassets/2537fc458da74159b41ca10c529bf052/past.235_final_report.pdf

This page provides information about a variety of saltbushes that can be used in a mixed salt-tolerant pasture system.https://www.agric.wa.gov.au/soil-salinity/saltbushes-dryland-salinity-management-western-australia

To successfully establish saltbush with an understorey, choose the right species, use good seed or seedlings, minimise waterlogging, and use the right establishment methods: https://www.agric.wa.gov.au/soil-salinity/establishing-saltbush-and-understorey-dryland-salinity-management-western-australia

Saltbush has it’s greatest potential where there is a well-defined feed gap and the property has a significant amount of scalded land that does not grow good pasture any more. Pick up some establishment tips here: https://www.daf.qld.gov.au/business-priorities/agriculture/plants/crops-pastures/pastures/saltbush

 

Videos

 

South West Catchments Council – Enrich Forage Shrubs

Looks at some of the research, development and potential benefits behind the “Enrich” mixed forage shrub and inter-row pasture system. Also introduces Pingelly farmer Garry Page who is being supported by South West Catchments Council to become one of the first farmers to adopt the system.

Agriculture Victoria – Grazing management perennial forage shrubs

This presentation provides farmers with information about options for managing livestock with alternative feed sources. It also looks at using lower productive land in a Mallee cropping system. The aim of the project is to identify more shrubs besides Old Man Saltbush which has been traditionally used.

Landcare Tasmania – How to propagate saltbush cuttings

Landcare Tasmania member Island Seeds takes us through the step by step process of clipping, preparing and propagating salt bush cuttings.

 

Shrub suppliers

For more supply and botanical information on specific saltbush and forage shrubs to ensure a “right plant, right place” approach, refer to the following suppliers websites for more detail:

 

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