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Managing stubble at harvest

Best practice liming project to help address sub-soil acidity

We are looking for a farmer from north-east Victoria to host a trial site as part of this project. If you think you have a subsoil acidity constraint (ideally less than pH 5 in the 5-20cm zone) and would like to be involved in a trial looking at best practice liming and lime quality issues, please email Riverine Plains Project Officer, Jane McInnes at jane@riverineplains.org.au .

Riverine Plains is pleased to be leading a new GRDC investment, Best practice liming to address sub-soil acidity in NE Victoria, which aims to increase awareness of acidity and pH stratification in local soils, as well as the management tools available to farmers.

While many grain growers are working towards maintaining surface soil pH values above pH 5 through regular soil testing and targeted lime applications, highly acidic layers in the 5-20cm sub-soil can affect production and economic returns, especially when sensitive crops such as pulses are grown.

Because surface-applied lime only moves very slowly down the soil profile, applied lime may only be acting in the surface zone, failing to reach acidic layers further down the profile. Moreover, because soil testing has traditionally been done by bulking surface and subsoil layers together, many farmers may be unaware they have an acid soil layer that is limiting production.

As part of this new project, Riverine Plains will establish a replicated trial to look at how the incorporation of lime can improve the distribution of lime down the soil profile and lessen the impacts of soil acidity on subsequent crops. Some of the techniques which are being considered for the trial include spading, discing, ripping and prickle-chaining.

The lime treatment trial will be established during February 2022 and will compare crop performance of subsequent crops across the different treatments. These results will then be used to inform an economic analysis of the treatment options, while intensive soil sampling will also help to understand differences in nutrient availability, pH and soil organic carbon between treatments.

Lime quality can be quite variable so Riverine Plains will also be establishing a demonstration trial at the same site looking at the quality effect of lime.

For further information about the project, or to learn how to become involved, please contact Riverine Plains Project Officer, Jane McInnes on 03 5744 1713 or email jane@riverineplains.org.au.

Best practice liming project to help address sub-soil acidity

23 August, 2021

Word Count: 499

Best practice liming project to help address sub-soil acidity

Acid soils have long been known to be a major constraint to crop and pasture production in north-east Victoria, with the reacidification of previously limed soils and pH stratification becoming increasingly important issues for the region’s grain farmers.

Given the local significance of the issue, Riverine Plains is pleased to be leading a new GRDC investment, Best practice liming to address sub-soil acidity in NE Victoria, which aims to increase awareness of acidity and pH stratification in local soils, as well as the management tools available to farmers.

Riverine Plains Project Officer, Jane McInnes, explained that acid soils can severely limit production rates and economic returns, especially when growing sensitive crops such as pulses.

“While many grain growers are working towards maintaining surface soil pH values above pH 5 through regular soil testing and targeted lime applications, we are increasingly seeing highly acidic layers in the 5-20cm sub-soil affect production” said Ms McInnes.

“Surface-applied lime only moves very slowly down the soil profile and this can mean that lime may only be acting in the surface zone, failing to reach acidic layers further down the profile” she added.

As part of the project, Riverine Plains will establish a replicated trial to look at how the incorporation of lime can improve the distribution of lime down the soil profile and lessen the impacts of soil acidity on subsequent crops. Some of the techniques which are being considered for the trial include spading, discing, ripping and prickle-chaining.

The lime treatment trial will be established during February 2022 and will compare crop performance of subsequent crops across the different treatments. These results will then be used to inform an economic analysis of the treatment options, while intensive soil sampling will also help to understand differences in nutrient availability, pH and soil organic carbon between treatments.

“Lime quality can be quite variable so we will also be establishing a demonstration trial at the same site looking at the quality effect of lime” explained Ms McInnes.

The demonstration will also include an elemental sulfur treatment to accelerate acidification and give an indication of the future effects if lime was not applied.

Project steering committee member, Rutherglen farmer and GRDC southern panellist, Andrew Russell, said that because soil testing has traditionally been done by bulking surface and subsoil layers together, many farmers may be unaware they have an acid soil layer that is limiting production.

“By raising awareness of this issue, and ways to manage it, we hope to be able to improve the effectiveness of local liming programs in the long-term” he said.

For further information about the project, or to learn how to become involved, please contact Riverine Plains Project Officer, Jane McInnes on 03 5744 1713 or email jane@riverineplains.org.au.

Riverine Plains is an independent farming systems group specialising in farmer driven research and extension across north-east Victoria and southern New South Wales. For more information, or to become a member, please visit www.riverineplains.org.au

….ends………………

More Information or Interview:

Jane McInnes, Project Officer, Riverine Plains on 03 5744 1713.

Rand Pulse Check Meeting, 10 March

Riverine Plains will host a meeting of the Rand GRDC Pulse Check Discussion Group at the Rand Sports Ground on Wednesday 10 March, 2021, from 9.00 -11.30.

A pdf of the program is available to download here.

RSVP’s are essential. For further information, please email Kate Coffey at kate@riverineplains.org.au or phone 03 5744 1713.

Hyper Yielding Crops Meeting – Brocklesby & Rutherglen 23 February

Riverine Plains will host meetings at Brocklesby and Rutherglen on Tuesday 23 February, 2021, to discuss the results from the Hyper Yielding Crops On-farm Focus Trials, as well as the results from the Hyper Yielding Crops technology centre at Wallendbeen.

To view the file as a pdf, please download the HYC February Meeting flyer.

RSVP’s are essential; to RSVP please email Kate Coffey, HYC Regional Project Officer at kate@riverineplains.org.au or phone 03 5744 1713

Cover/Intercropping Virtual Field Day – 8 September

Riverine Plains is hosting a virtual field day for grain growers looking to learn more about increasing crop diversity in their farming systems on Tuesday 8 September, 2020, from 9:00-9:30am.

Increasing the diversity of crop species can have positive benefits on soil health compared to monocultures, or where break crops are used minimally, with summer cover cropping, green/brown manuring, intercropping or companion cropping all providing opportunities to increase species diversity at different points in the rotation.

To look at this in more detail, a long-term trial site has been established by Riverine Plains Inc at Burramine, Victoria, to examine how more diverse rotations can impact soil function and winter crop yields, as well as profitability.

The virtual field day aims to introduce growers to the benefits of increasing diversity in their systems and  also features a virtual tour of the trial site. Speakers include;

Jane McInnes (Riverine Plains Inc)
Dr Cassandra Schefe (AgriSci): Increasing diversity in cropping systems, site and project overview
Professor Terry Rose (Southern Cross University): Results from 2019
Nathan Lawless (Burramine): Benefits to farmers
Brendan Christy (Agriculture Victoria): Intercropping to exploit rainfall for profit trial (also sown at the
site) 

For more information, please download the Virtual Cover Cropping Field Day (Burramine) Flyer 2020, contact Riverine Plains Inc Project Officer Jane McInnes on 03 5744 1713 or email jane@riverineplains.org.au.

To register for this event, please click here.

To download the Riverine Plains Field Day notes on Increasing diversity in cropping systems, please click here.

To download the Agriculture Victoria Field Day notes on the Intercropping to exploit rainfall for profit trial please click here.

This trial is part of the Plant-based solutions to improve soil performance through rhizosphere modification project, supported by the Cooperative Research Centre for High Performance Soils (Soil CRC) and led by Southern Cross University. This project is supported by the Goulburn Broken Catchment Management Authority’s ‘From the Ground Up’ program through funding from the Australian Government’s National Landcare Program.

The Intercropping to exploit rainfall for profit trial is funded by the Victorian Grains Innovation Partnership with  Agriculture Victoria and the Grains Research and Development Corporation.

GRDC Hyper Yielding Crop focus-farm trials for the Riverine Plains

24 August, 2020

Word Count: 477

 GRDC Hyper Yielding Crop focus-farm trials for the Riverine Plains

A new, four-year project is set to examine the yield potential of different varieties grown under various agronomic packages as part of a Grains Research and Development Corporation (GRDC) investment into hyper-yielding cereal crops.

Following on from the success of Hyper Yielding Cereals (HYC) project in Tasmania, the Hyper Yielding Crops project has recently commenced on a national scale, with GRDC Centre of Excellence trial sites established in Victoria, Tasmania, South Australia, NSW, and Western Australia.

Riverine Plains Inc Project Officer, Kate Coffey, explained that a Centre of Excellence has been established at Wallendbeen (near Cootamundra), NSW, with the research site chosen because it had a water-limited yield potential of 10 t/ha for cereals and 5 t/ha for canola.

“Riverine Plains Inc has also worked alongside lead organization, FAR Australia, to establish three focus farm sites in southern NSW in support of the Wallendbeen Centre, with a canola site established at Gerogery and wheat sites established at Culcairn and Howlong” she said.

Grower involvement is a major focus of the project, and Riverine Plains Innovation Groups are being established to link local growers with the focus farm paddock trials at Gerogery, Culcairn and Howlong.

The 2020 focus-farm paddock trials will look at nitrogen and fungicides, while future focus-farm paddock trials will be based on ideas arising from the local Innovation Groups, as well as from growers visiting the Centre of Excellence.

“We are hoping to conduct small-group discussion field days at the farm paddock trial sites during September, 2020, however this will depend on COVID-19 restrictions during spring” said Kate.

Riverine Plains Inc are also seeking ten paddocks from across the region to be nominated for the 2020 Hyper Yielding Crop Awards. The Award will benchmark agronomic aspects of individual wheat crops, with participating growers to receive an agronomic benchmarking report comparing that paddock to all others entered, both regionally and nationally.

The project combines the expertise of several farming groups, including Riverine Plains Inc, with FAR Australia, SARDI, Brill Ag, CSIRO, DPIRD, TechCrop and CeRDI.

“This project will ultimately provide an opportunity to unlock yield potentials by providing a greater understanding of the possible constraints and the agronomic practices required to achieve potential yields in a given season” concluded Kate.

Riverine Plains Inc are currently taking expressions of interest from growers interested in joining the Innovation Group, as well as from those farmers interested in being involved in the Hyper Yielding Crop Awards.

For further information, please visit the Riverine Plains Inc website at riverineplains.org.au or contact Riverine Plains Inc Project Officer Kate Coffey on 03 5744 1713 or email kate@riverineplains.org.au.

Riverine Plains Inc is an independent farming systems group specialising in farmer driven research and extension across north-east Victoria and southern New South Wales. For more information, or to become a member, please visit www.riverineplains.org.au

 

….ends………………

More Information or Interview:

Kate Coffey, Riverine Plains Inc (03 5744 1713)

GRDC Hyper Yielding Crop focus-farm trials for the Riverine Plains

A new, four-year project is set to examine the yield potential of different varieties grown under various agronomic packages as part of a Grains Research and Development Corporation (GRDC) investment into hyper-yielding cereal crops.

Following on from the success of Hyper Yielding Cereals project in Tasmania, the Hyper Yielding Crops project has recently commenced on a national scale, with GRDC Centre of Excellence trial sites established in Victoria, Tasmania, South Australia, NSW, and Western Australia.

A Centre of Excellence has been established at Wallendbeen (near Cootamundra), NSW, with the research site chosen because it had a water-limited yield potential of 10 t/ha for cereals and 5 t/ha for canola.

Riverine Plains Inc has also worked alongside lead organization, FAR Australia, to establish three focus farm sites in southern NSW in support of the Wallendbeen Centre, with a canola site established at Gerogery and wheat sites established at Culcairn and Howlong.

Grower involvement is a major focus of the project, and Riverine Plains Innovation Groups are being established to link local growers with the focus farm paddock trials at Gerogery, Culcairn and Howlong.

The 2020 focus-farm paddock trials will look at nitrogen and fungicides, while future focus-farm paddock trials will be based on ideas arising from the local Innovation Groups, as well as from growers visiting the Centre of Excellence.

Riverine Plains Inc are also seeking ten paddocks from across the region to be nominated for the 2020 Hyper Yielding Crop Awards. The Award will benchmark agronomic aspects of individual wheat crops, with participating growers to receive an agronomic benchmarking report comparing that paddock to all others entered, both regionally and nationally.

The project combines the expertise of several farming groups, including Riverine Plains Inc, with FAR Australia, SARDI, Brill Ag, CSIRO, DPIRD, TechCrop and CeRDI.

This project will ultimately provide an opportunity to unlock yield potentials by providing a greater understanding of the possible constraints and the agronomic practices required to achieve potential yields in a given season.

Riverine Plains Inc are currently taking expressions of interest from growers interested in joining the Innovation Group, as well as from those farmers interested in being involved in the Hyper Yielding Crop Awards.

For further information, please visit the Riverine Plains Inc website at riverineplains.org.au or contact Riverine Plains Inc Project Officer Kate Coffey on 03 5744 1713 or email kate@riverineplains.org.au

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