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Sheep production, profitability and greenhouse gas emission of mixed farming systems in Western Australia\u27s Wheatbelt
No full textThe south-western agricultural area of Western Australia is a vital contributor to Australia\u27s agricultural output. It generates over 8 billion in export value over the same period. Mixed farming systems characterise the region, producing broadacre crops (primarily wheat, barley, and canola) and livestock. The region\u27s livestock industry is dominated by sheep production for meat and wool, and the state’s share of the national sheep flock in 2020–21 was at 18%.
This report provides a comprehensive review and industry analysis of sheep production in WA, its economic significance, and associated greenhouse gas emissions. It examines the unique characteristics of WA\u27s mixed farming systems, their key economic and environmental drivers, and the innovative practices that underpin the sector\u27s productivity and profitability in a changing climat
Field Trials Report 2024: WA Farming Systems Project (DAW2204-003RTX)
No full textWithin the Western Australian Faming Systems Project, a program of 11 field trials were conducted in 2024 from Ogilvie in the north to Wittenoom Hills in the south.
The season was a challenging one with a late break to the season at all sites and varying conditions from decile 3 to decile 10 growing season rainfall across the sites
BEN Signage Installation Map – City of Wanneroo (south)
No full textBeach Emergency Number (BEN) Signage Installation Map – City of Wanneroo (south)https://library.dpird.wa.gov.au/gis_bens/1018/thumbnail.jp
BEN Signage Installation Map – Shire of Esperance (west)
No full textBEN Signage Installation Map – Shire of Esperance (west)https://library.dpird.wa.gov.au/gis_bens/1029/thumbnail.jp
OzBarley
No full textData was collected as part of the OzBarley project, which aims to investigate the genetic and phenotypic diversity present in barley germplasm. The project focuses on characterizing a wide range of barley accessions to better understand variation in traits relevant to breeding, adaptation, and resilience. This dataset will serve as a foundation for identifying unique genetic resources and informing future breeding strategies
Response of wheat to phosphorus-enriched ironstone gravel
No full textContext Gravel fractions ( \u3e 2 mm) in soil are almost always excluded from laboratory analysis and glasshouse experiments as they are considered to be inert; however, the \u3e 2 mm fraction is always present in field experiments. Aims To determine whether the \u3e 2 mm fraction of ironstone gravel (IG) soil enriched with phosphorus (P) can supply P to wheat (Triticum aestivum L.). Methods An IG soil was separated into different size fractions ( \u3c 2, 2–4, 4–6, 6–8 and 8–10 mm), and adsorption and desorption experiments, volumetric moisture measurements and glasshouse experiments were conducted. Each of the \u3e 2 mm fractions were enriched with P to different levels and added to a sand culture, or to the enriched \u3c 2 mm fraction in different amounts (25%, 50% and 75% IG). Wheat was grown in pots and growth correlated to P added from enriched soil fractions, weighted Colwell P, soil solution P concentrations and volumetric water content. Key results The \u3c 2 mm fraction of the IG soil adsorbed more P than the \u3e 2 mm fraction of the IG soil likely due to its greater specific surface area. Volumetric water content decreased as gravel amount increased. Wheat was more responsive to P for larger compared to smaller gravel sizes. The P-enriched IG was able to support the growth of wheat in the absence of any other P source. For the same level of P enrichment, dry matter decreased as gravel amount increased. Conclusions The IG influences wheat growth through P retention and release and soil moisture. Volumetric water content can be reduced significantly by high gravel contents, leading to reduced wheat growth despite sufficient P fertility. Implications Depending on the nature of the soil matrix, soils with high amounts (~50%) of larger IG are likely to require lower P applications to optimise crop yield. Soil sampling strategies and laboratory testing need to consider how to practically include the \u3e 2 mm fraction during sample collection and analysis
Farm profit impacts of consecutive drought years under climate scenarios in southwestern Australia
No full textClimate projections for southern Australia indicate an increased likelihood of years of consecutive droughts. How resilient are farm businesses and their farming systems to recover from episodic drought? This study assesses the farm economic and financial impacts of consecutive droughts in southwest Australia. Bioeconomic simulation modelling of farm businesses with different farming systems at three locations is used to examine the long-term financial consequences of consecutive droughts. Various key factors affecting those consequences are examined. Farm location, farming system and starting equity are found to be the main determinants of how quickly a farm business can financially recover from the impact of consecutive droughts. Initial low equity greatly reduces the likelihood or speed of recovery from consecutive droughts, especially in low rainfall locations where crop dominant farming systems are commonplace. Projected future climate is shown to affect farms differently, based on the farm’s location and farming system. Farms in high rainfall locations are projected to benefit from future climate change and are more resilient and quicker to recover from consecutive droughts. Changes in sheep or grain prices, during and immediately after consecutive droughts, are shown to only marginally affect a farm’s long-term financial performance whereas rates of gain in crop improvement more strongly support the farm’s financial recovery
Procedures for rangeland condition assessment in the Pilbara and southern rangelands 2025
No full textThis report defines the procedures used in 2025 by DPIRD to complete rangeland condition assessment (RCA) in the Pilbara and southern rangelands region which has predominantly shrub-based pastures. For the rest of the pastoral estate, DPIRD uses the Procedures for RCA in the Kimberley which has grass pastures.
RCA is the process DPIRD uses to make systematic, station-level assessment of rangeland. Rangeland condition considers both the condition of pastures (defined in the ‘Pasture condition guides for the Pilbara’ and ‘Pasture condition guides for the southern rangelands including the Gascoyne, Murchison and Goldfields-Nullarbor’) and soils as determined by erosion, using the erosion assessment method on pastoral lands in Western Australia. The methods have evolved over several decades of practice and are unique to WA.
RCAs generally report on pastoral stations, which may contain one or more pastoral leases and, on occasion, include land with other tenure types that is used for pastoral purposes.
The data collected during an RCA are used to report on rangeland condition at the station and regional scales. The RCA aims to quantify the condition of rangeland landscapes and pastures and to use this and other information to assess the effectiveness of pastoral management. The RCA process is part of DPIRD\u27s regulatory compliance approach
WA Insecticide Guide 2025 - Winter Spring
No full textPlease note: this second version published in September 2025 replaces the first version published in June 2025.
The insecticides listed in the tables within this guide can be used on any crop appearing on the chemical label, if the rate used does not exceed the highest rate that is registered for use on that crop.
There are many products with different trade names that contain the same active ingredient. This list is not exhaustive and does not imply any specific recommendations of brand names.
Unless otherwise specified, all insecticides listed are emulsifiable concentrates (EC). Other insecticide formulations are suspension concentrate (SC), wettable powder (WP), capsule suspension (CS), wettable granules (WG), emulsion (EW) dry flowable (DF) and water dispersible granules (WDG). Ultra-low volume (ULV) insecticides are not listed.
Read the chemical label before use and check label withholding periods for grazing or hay/silage/fodder production before application.
Please turn on punctuation if using a screen reader.
The information tabled is a guide only. Whilst every care has been taken in preparation of the information, some errors or omissions may have occurred.https://library.dpird.wa.gov.au/fc_pestfactswa/1035/thumbnail.jp