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    Wind erosion after fire in Western Australia - frequently asked questions (FAQs)

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    These are some common questions after serious fires in the agricultural areas of south-west Western Australia. Staff of the Department of Primary Industries and Regional Development (DPIRD), agronomists and farmers with experience have contributed to the answers. Please note that these answers are general in nature, and land managers wanting advice for a specific property will need to ask local professionals or experienced land managers. For more information about recovering from fire and wind erosion, see the DPIRD website

    Representing weather-year variation in whole-farm optimisation models: Four-stage single-sequence vs eight-stage multi-sequence

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    The trade-off between accuracy and complexity is a common issue faced in farm systems analysis. To provide insights into the importance of representing weather-year sequence in farm modelling, two whole-farm optimisation models are constructed and applied to a mixed enterprise farming system in a subregion of Western Australia. The frameworks are (i) four-stage single-sequence stochastic programming with recourse (4-SPR) to capture weather-year variation and management tactics tailored to each weather-year and (ii) eight-stage multi-sequence stochastic programming with recourse (8-SPR) to outline weather-year sequences and management tactics tailored to particular weather-year sequences. Results show that single-year stochastic programming generates similar expected profit and strategic management as multi-year stochastic programming. However, optimal tactical farm management is affected by the outcome of the previous year. Tactical decision-making in response to the outcome of the preceding weather-year increases profitability by 14%. Technology changes over the last decade, particularly the increase in computer speed and computational power, increase the ease of construction and application of the 4-SPR and 8-SPR frameworks. Nonetheless, choosing which framework is best to apply to a particular issue or opportunity remains a challenge

    Banana management in the Ord River Irrigation Area (ORIA)

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    The Ord River Irrigation Area (ORIA) is suitable for growing bananas. However, due to the local climate, management is slightly different to other Western Australian growing regions such as Carnarvon. There are many considerations when planning to establish a banana plantation. A summary of these practices is given below. For more specific information on each practice see the other documents in this series

    Farm size limits agriculture\u27s poverty reduction potential in Eastern India even with irrigation-led intensification

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    CONTEXT Millions of people living in the Eastern Gangetic Plains (EGP) of India engage in agricultureto support their livelihoods yet are income poor, and food and climate insecure. To address these challenges, policymakers and development programs invest in irrigation-led agricultural intensification. However, the evidence for agricultural intensification to lift farmers\u27 incomes above the poverty line remains largely anecdotal. OBJECTIVE The main objective of this study is to use a large household survey (n= 15,572; rice: 8244, wheat: 7328; 2017/18) to assess the link between agricultural intensification and personal daily incomes from farming (FPDI) in the rice-wheat systems of the EGP – the dominant cropping system of the region. METHODS We use the Intensification Benefit Index (IBI), a measure that relates farm size and household size to FPDI, to assess how daily incomes from rice-wheat production change with irrigation-led intensification across the EGP. RESULTS AND CONCLUSIONS Relative to the international poverty line of 1.90 Purchasing Power Parity (PPP)day1andaccountingforvariationsinHHsizeintheanalysis,wefoundthatsmallfarmsizeslimitthepotentialforagriculturalintensificationfromirrigationtotransformthepovertystatusofhouseholdsinthebottomthreequartilesoftheIBI.TheestimatedmedianFPDIofhouseholdswithintensifiedsystemsinthebottomthreequartilesisonly0.51PPP day−1 and accounting for variations in HH size in the analysis, we found that small farm sizes limit the potential for agricultural intensification from irrigation to transform the poverty status of households in the bottom three quartiles of the IBI. The estimated median FPDI of households with intensified systems in the bottom three quartiles is only 0.51 PPP day−1 (a 0.15 PPPgain).ThemedianFPDIincreasesto2.10PPP gain). The median FPDI increases to 2.10 PPP day−1 for households in the upper quartile of the IBI distribution (a 0.30 PPP$ gain). Irrigation-led agricultural intensification of rice-wheat systems in the EGP may provide substantial benefits for resilience to climatic change and food security but achieving meaningful poverty reduction will require complementary investments. SIGNIFICANCE Transforming the poverty status of most smallholder farmers in the EGP requires diversified portfolios of rural on- and off-farm income-generating opportunities. While bolstering food- and climate security, agronomic intervention programs should consider smallholders\u27 limited monetary incentives to invest in intensification. Irrigation-led agricultural intensification programs and policies should explicitly account for the heterogeneity in household resources, irrigation levels, and degree of dependence on agricultural income

    PestFacts WA Issue 01 - April 2023

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    PestFacts WA newsletter contents: Now is the time bait snails Black Portugue Millipedes Green bridge surveillance findings 2023 autumn winter insecticide spray guide is now available Pre-season climate and insect webinars are available online Canola blackleg risk forecasts Managing Ascochyta blight chickpea at seedinghttps://library.dpird.wa.gov.au/fc_pestfactswa/1000/thumbnail.jp

    PestFacts WA Issue 09 - July 2023

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    PestFacts WA Issue 9 - July 2023 contents: Native budworm are active early Powdery mildew Slime mouldhttps://library.dpird.wa.gov.au/fc_pestfactswa/1003/thumbnail.jp

    PestFacts WA Issue 04 - May 2023

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    PestFacts WA Issue 4 - May 2023 contents: Do not confuse springtails with other pests Consider beneficial insects when spraying Growers may need to reapply baits for slugs and snails Field pea blackspot disease forecasts for WA are available online Plant disease webinar recording can now be viewed onlinehttps://library.dpird.wa.gov.au/fc_pestfactswa/1008/thumbnail.jp

    WA Insecticide Guide 2023 - Autumn Winter

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    Registered chemicals for broadacre crops in Western Australia. The pesticides 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 concentrate (EC). Insecticides with SC are suspension concentrate, WP is wettable powder, CS is capsule suspension, WG are wettable granules (water dispersible granules), EW is emulsion and DF or WDG is dry flowable or water dispersible granules. 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/1026/thumbnail.jp

    Protecting WA Crops Issue 28 - March 2023

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    Protecting WA Crops Issue 28 - March 2023 contents: GRDC Perth Research Updates 2023 - Entomology Russian wheat aphid thresholds in WA and using biological control for RLEM Lessons learnt from native budworm activity in wheat, relative to traditional hosts lupins, pulses and canola Meet Crop Protection team member – Svetlana Micichttps://library.dpird.wa.gov.au/fc_pwac/1001/thumbnail.jp

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