Completed projects and reports
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Sugar Research Australia, Sugar Research Development Corporation and BSES reports from completed research projects and papers.
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Item 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, SIncreasing 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.Item Improving the efficiency of nitrogen fertilisation of sugarcane under minimum till and trash conservation cultural conditions (Final report SRDC Project BS37S)(1992) Chapman, LS; Freney, R; Denmead, OT; Wood, AW; Saffigna, PGObjectives of the experiments were (1) Determine the extent of NH3 volatilisation when urea and ammonium sulfate are applied to the surface of a trash blanket in four cane-growing regions. Evaluate the effect of various placements of urea in a trash blanket under wet and dry moisture regimes by quantifying the amount of N recovered in the soil-plant system.Item Factors affecting the sugar content of sugar cane in the wet tropics of Queensland: statistical analysis of ccs data at Babinda and Tully(BSES, 1972) Sturgess, OW; Hogarth, DM; Hurney, AP; Leverington, KCIn the wet tropics, the sugar content of crops is usually below the state's average and is a critical factor in farm economy, particularly during years of low sugar prices. This aspect of sugar production has been the subject of detailed investigation.Item The management of rodents in North Queensland canefields(BSES, 1993) Wilson, J; Whisson, DRodent damage to sugarcane has been of concern to the Australian sugar industry since the 1930's. In more recent times, annual surveys have indicated that damage by rodents occurs over approximately 50% (150 000 ha) of sugar producing areas resulting in annual losses of between two and four million dollars. A further $0.6 million is expended on annual baiting programs. Rodents are therefore the second most important pest of the Australian sugar industry, the most important pest being the cane grub (Bureau of Sugar Experiment Stations Annual Reports 1984 - 1989).Item Factors affecting cane farm productivity and profitability in the Bundaberg district(1993) Queensland Department of Primary IndustriesAt the request of the Bundaberg Cane Productivity Committee, the Queensland Department of Primary Industries carried out a study to identify factors affecting the level of sugar yields and reasons for variation in the level of farm input use and to examine other on-farm influences affecting the profitability of cane growing in the Bundaberg district. A purposive sample of 53 cane growers was selected and information obtained through personal interview. The study examined a wide range of farm characteristics which were expected to affect sugar yields in the district. The study found that 70% of the variation in sugar yields over the survey period could be explained by: - the percentage of harvested cane consisting of Autumn plant cane; - type of irrigation use (flood or non-flood); - number of days to irrigate the crop (length of irrigation cycle); - amount of nitrogen applied to ratoon crops; - soil type; and - water use. Sugar yield and farm size were identified as important factors affecting the profitability of cane growing on specialist cane farms.Item Fibre characteristics of cane - results of measurements carried out at Bundaberg during 1987 season(BSES, 1987) Noble, AGDuring September, 1987 a total of twenty-three samples of cane were tested for extreme fibre characteristics at BSES in Bundaberg. The main purpose of this testing program, which was introduced during 1986 season, is to screen all prospective Q canes prior to their release to obtain some indication which varieties are likely to cause handling problems during the milling process.Item Constituents of non-sugar products of sugarcane : SRDC final report BS85S(BSES, 1993) Stickley, BDAResidues of selected pesticides were measured in samples of bagasse, filter mud and molasses from six sugar mills, in samples of dunder from two distilleries, and in cane tops and soil from four canegrowing areas of Queensland. Where possible, pesticide residue identities were confirmed using GC-MS.Item Herbicide phytotoxicity screening Central; Southern Queensland varieties 1989 season(1990) Bridger, KWThis report summarised the results of the three sugarcane phytotoxicity trials conducted on the Sugar Experiment Station, Bundaberg during 1989. Twelve approved, or promising varieties, from the central and southern districts were oversprayed with a total of 33 herbicides x crop growth stage treatments. Visual assessments of effect were carried out over a period of up to 142 days following spraying. The results of these trials should be taken as a guide only due to variations in weather pattern and microclimate from district to district.Item Herbicide efficacy screen North Queensland 1986 season(BSES, 1987) Williams, RCIn 1984 a wide range of herbicide treatments were evaluated against a number of weed species. Results demonstrated the weakness and strengths of various products, and the optimum timing of application. To further improve the knowledge of currently registered herbicides and of those which may have some potential for use in cane, another series of trials were laid down in 1986.Item Final report on SRDC project CLW002 (previously CSS02 & CSS2S): The role of root growth and activity in determining sugarcane productivity(1999) Magarey, RC; Nable, R; Reghenzani, J; Smith, J; Berthelsen, S; Grace, D; Robertson, MWhen the current project was initiated, poor root growth and activity were widely believed to be a major constraint to sugarcane productivity. However, there was no technology available to assess whether or not root growth and activity were constraining cane productivity. The project was established to examine the relationship between root growth and activity and sugarcane productivity. The strategic information to be generated was expected to provide the basis for estimating the potential value of overcoming poor root growth and/or activity by managing various soil constratints such as soil pathogens, poor soil structure, or low soil fertility. Initially, the objectives of CLW002 were to: quantify the relationship between root system characteristics and crop productivity; assess the methods for measuring root activity as indicators of root system constraints on crop productivity - with particular emphasis on methods that would allow remote assessment of root activity.