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Yield responses to amelioration treatments that improve the productivity of sandy soils in the Southern Australian Cropping Region

CSIRO RDS Repository

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Title Yield responses to amelioration treatments that improve the productivity of sandy soils in the Southern Australian Cropping Region
 
Creator Jackie Ouzman
 
Subject Other environmental sciences not elsewhere classified
Other agricultural, veterinary and food sciences not elsewhere classified
Soil sciences not elsewhere classified
Crop and pasture production not elsewhere classified
Agriculture, land and farm management not elsewhere classified
 
Description 'Sandy_soil_DB' - Database (see files tab) and a 'R shiny Sandbox app' (see link in services tab) that allows the user to explore yield responses to treatments for increasing production on sandy soils in low and medium rainfall areas of the Southern Region.

The database is a collection of trial results in the Southern cropping region from the Grains Research & Development Corporation CSP00203 project reporting on yield results, but also contains plant responses, such as plant establishment and biomass for a selection of sites / years. The aim of the Sandy Soils project is to boost crop yields by increasing crop water in underperforming sandy soils by improving the diagnosis and management of constraints. Crop water-use and yields on sandy soils are commonly limited by a range of soil constraints that reduce root growth. Constraints can include a compacted or hard-setting layer preventing root proliferation, a water-repellent surface layer causing poor crop establishment, soil pH issues (both acidity and alkalinity) and/or poor nutrient supply.
The trails were established between 2014 and 2021 and included a range of deep ripping (30-60cm deep), spading, inclusion ripping and/or inversion ploughing approaches, with/without additional amendments (fertiliser, N-rich hay, chicken manure, clay), in total the project consisted of 136 site.years of amelioration trial data and 1 site.year of seeder-strategy trial data, across 24 sites in Southern grain region. Additional site metadata includes soil constraints and climate data. The database provides statistical analysis of the yield results, which was undertaken on a site-by-year basis and site-by-cumulative years.

The App is an interactive web application that allows the user to interrogate and visualise trial results alongside site climate and soil constraint information. This helps grain growers evaluate the outcomes of various amelioration options in the context of their own soils and climate. A series of fact sheets relating to soil constraint identification and machinery selection and optimisation support the user to view the most useful results and to identify the most suitable management options.
 
Publisher CSIRO
 
Contributor Therese McBeath
Melissa Fraser
Jack Desbiolles
Masood Azeem
Rick Llewellyn
Michael Moodie
Chris Saunders
Nigel Wilhelm
Rachael Whitworth
 
Date 2024-03-12
 
Type —
 
Format —
 
Identifier csiro:57681
 
Language —
 
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