Completed projects and reports

Now showing 1 - 4 of 4

Sugarcane for future climates : final report 2013/029
(Sugar Research Australia Limited, 2017) Stokes, C; Jackson, P; Basnayake, J; Inman-Bamber, G; Lakshmanan, P; Natarajan, S
Increasing costs of irrigation in irrigated production regions, and seasonal periods of water deficits in rain-fed production regions are impacting greatly on profitability, sustainability, and expansion of the Australian sugarcane industry. Improving crop transpiration efficiency (TE, defined as growth per unit of water used) is one strategy to help address these issues.
Implementing methods for wider industry adoption : SRDC final report CSE009
(2007) Jakku, E; Everingham, Y; Inman-Bamber, G; Thorburn, P
Many of the challenges that the sugarcane industry faces are complex systems issues and R&D addressing these issues requires the active participation of industry stakeholders. A deeper understanding of processes that contribute to effective engagement between researchers and end-users is therefore essential to deal with the ongoing and evolving complexities of sugarcane systems. Without this knowledge, millions of dollars of R&D investment will be wasted and immeasurable environmental, social and economic benefits will be lost. The framework developed in this project has the potential to improve the way in which participatory research and technology development are conducted. However, in order to realise these impacts, the framework needs to be further developed to more clearly guide interactions between scientists, extension officers and farmers. Building capacity within the industry to implement learnings from this framework could help maximise the impact of complex technologies in the Australian sugarcane industry. This will assist the industry to profit rather than suffer from the complex challenges that it faces.
Best practice irrigation management to maximise profitability and ensure sustainability in the Ord sugar industry : SRDC Final report CSR22
(2003) Wood, AW; Engelke, JM; Sherrard, JH; Plunkett, GM; Triglone, T; Bakker, DM; Horan, HL; Muchow, RC; Inman-Bamber, G
The Ord Sugar industry was established in 1995 with the commissioning of a sugar mill and the first full season of commercial production was in 1996. It is now a major industry in Stage 1 of the Ord Irrigation Area, currently occupying over 4000 hectares and producing around 60,000 tonnes of raw sugar annually for export. The climatic conditions in the Ord impose a high water requirement for sugarcane crops. Growers face a considerable challenge in meeting that requirement whilst maximising their profitability and minimising drainage losses and potential impacts on the environment. Groundwater levels have risen substantially in the 30 years since the start of irrigation in the Ord. Consequently the development of appropriate irrigation practices for sugarcane is a key requirement in the management of rising water tables and in the sustainability of Ord sugarcane production. The first step in developing best practice irrigation management was to gain a better understanding of the range of irrigation practices being used by the industry at the beginning of the project. A survey conducted to benchmark irrigation practices used on the 1995/96 sugarcane crop indicated very high rates of annual water application, making the development of irrigation practices that maximise profitability and minimise groundwater accessions a key priority for the Ord sugar industry.
More crop per drop : SRDC final report BSS305
(2011) Basnayake, J; Jackson, P; Inman-Bamber, G; Lakshmanan, P
Water stress is the major constraint to productivity in the Australian sugar industry, with an estimated cost of $260 million/annum (CSE014 Milestone Report 3.5). In 2003 and 2004, the losses exceeded $140 million in Mackay alone. This impact may increase with climate change. About 40% of the Australian sugarcane production is rain-fed with or without supplementary irrigation. With the erratic rainfall and the increasing cost and restrictions on water use, efficient use of available water is an increasingly important priority in irrigated production systems as well.Varieties that adapt well to drought and use water efficiently are becoming increasingly important for sustainable sugarcane production. Australian sugarcane breeding programs, however, do not explicitly address selection for response to dry conditions. To effectively address this issue there is a need to understand the main physiological mechanisms underlying genetic variation in response to different types of water stress environments in sugarcane. Hence, this project was initiated to determine the potential of Australian sugarcane germplasm for developing water use-efficient and drought tolerant commercial cultivars.In this project the phenotypic and genetic variations of traits that confer or linked to drought tolerance and water use efficiency (WUE) and their contribution towards productivity were studied in a genetically diverse sugarcane population. Field experiments were conducted for 3 years under rainfed, fully irrigated and managed drought conditions at three locations in the Northern Queensland. The experiment sites were in Home Hill in the Burdekin shire, Crystal Creek in the Herbert Shire and Dalbeg in the upper Burdekin. All trials were conducted in commercial sugarcane farms and followed the best crop management practices. A genetically diverse population (131 genotypes) comprising S. officinarum crosses with wild relatives, commercial cultivars including foreign clones, advanced lines in the selection program and some parental clones in the BSES breeding program was used as test clones. Clone performance was evaluated under rainfed, irrigated and managed drought conditions adopting most appropriate statistical field designs for the respective sites. The agronomic and cane yield characteristics, fibre, sugar and sugar quality characteristics and physiological traits related to drought tolerance were collected during the crop growth period and at harvest. Appropriate statistical methodologies were used to analyse and interpret the results at the end of the project.

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