Relevant bibliographies by topics / Murrumbidgee Valley

Academic literature on the topic 'Murrumbidgee Valley'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Murrumbidgee Valley"

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Beecher, HG. "Effect of saline water on rice yields and soil properties in the Murrumbidgee Valley." Australian Journal of Experimental Agriculture 31, no. 6 (1991): 819. http://dx.doi.org/10.1071/ea9910819.

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Rice was grown on a transitional redbrown earth for 3 consecutive seasons and irrigated with saline groundwater of salinities 0.25, 0.5, 1.0, 1.5 and 2.0 dS/m. A 4.0 dS/m treatment was applied in the final year. Grain yield was only affected by the 4.0 dS/m treatment, where a 25% yield reduction occurred. Soil salinities increased with increasing salinity of applied treatments, reaching equilibrium after 3 years. The higher salinity treatments resulted in significantly increased rice field water consumption, attributed to increased infiltration rates. The presence of high electrolyte levels in the soil surface prevented any detrimental effect of increased soil sodium levels on soil properties. However, the communal supply system with potential cultivation of salt-sensitive species such as soybean, along with the potential for higher groundwater accessions, suggests that the salinity of irrigation water should be maintained as low as possible.
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Beecher, HG. "Effects of saline irrigation water on soybean yield and soil salinity in the Murrumbidgee Valley." Australian Journal of Experimental Agriculture 34, no. 1 (1994): 85. http://dx.doi.org/10.1071/ea9940085.

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The effect of saline irrigation water on soybean (Glycine max cv. Chaffey) growth and yield is not known for southern Australia. Soybeans were grown on hills, on a transitional red-brown earth, with moderately saline irrigation water (0.25, 0.5, 1.0, 1.5, 2.0 dS/m) for 2 seasons. Grain yield was significantly reduced when soybeans were irrigated using water with salinity >0.25 dS/m in the first year and >1.5 dS/m in the second year. The salinity of the upper 75 cm of the soil profile increased with increasing salinity of applied treatments. Salinity levels at depth indicate increased flow beyond the rootzone with increasing salinity of applied water. The use of water >0.5 dS/m is not recommended for soybean cv. Chaffey on sites where soybeans have not previously been grown.
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Lattimore, MAE, JA Thompson, and KL O'Callaghan. "Irrigation frequency for white clover and lucerne on a cracking clay in the Murrumbidgee Valley, New South Wales." Australian Journal of Experimental Agriculture 34, no. 1 (1994): 41. http://dx.doi.org/10.1071/ea9940041.

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A field experiment was undertaken to study the effect of irrigation frequency on dry matter production of 2 perennial pasture legumes on a grey cracking clay soil (Ug 5.28). This soil has a higher water-holding capacity than the red-brown earths of most previous Australian studies. One-year-old swards of luceme (Medicago sativa L.) cvv. Maxidor II and Pioneer brand 581 (P581), and white clover (Trifolium repens L.) cvv. Haifa and Irrigation, were flood-irrigated at 75, 100, 150, and 200 mm of cumulative net potential evapotranspiration during 3 irrigation seasons. White clover was more sensitive to water stress than lucerne, with yield reductions at the 2 longer intervals of 13% in the first season, 37% in the second, and 39% in the third. Lucerne showed little effect of irrigation frequency during the first 2 seasons, but yields were substantially reduced (by 27%) at the 2 longer intervals in the third season. The 2 white clover cultivars differed in seasonal production and growth habit, Haifa being more productive and withstanding water stress better than Irrigation in the first season. Production was similar in the second season, but Irrigation was able to maintain a denser sward and outyielded Haifa in the third season. There was little difference between the 2 lucerne cultivars. A combination of higher available soil water content and a considerably deeper effective rooting depth (0.8 m at the 100-mm interval), both of which were strongly influenced by soil type, enabled productivity to be maintained at a longer irrigation interval (100 mm) than reported in other Australian studies. Measurements of leaf relative water content reflected the water stress imposed by the treatment intervals. It is considered that in order to maximise production, an irrigation interval up to 100 mm is appropriate for white clover on this soil type. The optimum frequency for lucerne will depend on the life of the stand desired, balanced against productivity and irrigation costs.
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Allan, Catherine, Shahbaz Khan, and Brian Davidson. "Assessing social acceptability of management options for harmonising irrigation with environmental concerns: A pilot study from the Murrumbidgee Valley, Australia." Water SA 34, no. 4 (February 19, 2019): 517. http://dx.doi.org/10.4314/wsa.v34i4.183665.

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5

Scott, Leon J., Nicole Lawrence, Corinna L. Lange, Glenn C. Graham, Scott Hardwick, Louise Rossiter, Martin L. Dillon, and Kirsten D. Scott. "Population Dynamics and Gene Flow of Helicoverpa armigera (Lepidoptera: Noctuidae) on Cotton and Grain Crops in the Murrumbidgee Valley, Australia." Journal of Economic Entomology 99, no. 1 (February 1, 2006): 155–63. http://dx.doi.org/10.1093/jee/99.1.155.

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Scott, Leon J., Nicole Lawrence, Corinna L. Lange, Glenn C. Graham, Scott Hardwick, Louise Rossiter, Martin L. Dillon, and Kirsten D. Scott. "Population Dynamics and Gene Flow of Helicoverpa armigera (Lepidoptera: Noctuidae) on Cotton and Grain Crops in the Murrumbidgee Valley, Australia." Journal of Economic Entomology 99, no. 1 (February 1, 2006): 155–63. http://dx.doi.org/10.1603/0022-0493(2006)099[0155:pdagfo]2.0.co;2.

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7

Shamsi, S., A. Turner, and S. Wassens. "Description and genetic characterization of a newContracaecumlarval type (Nematoda: Anisakidae) from Australia." Journal of Helminthology 92, no. 2 (May 5, 2017): 216–22. http://dx.doi.org/10.1017/s0022149x17000360.

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AbstractNematode parasites belonging to the genusContracaecumare economically important parasites with zoonotic significance. AdultContracaecumspp. are found in the stomach of marine mammals or piscivorous birds, and larval stages infect a wide range of invertebrates and fish species. Human infection withContracaecumlarvae has been reported in Australia and other countries after the consumption of infected fish. Although the genusContracaecumcomprises numerous species, thus far only fourContracaecumlarval types have been specifically identified, therefore their life cycle and biology are not yet fully understood. In this study, a newContracaecumlarva (type IV), found in the intestinal tissue of carp caught from Coonancoocabil Lagoon, New South Wales, Australia, is described and characterized genetically. It was identified asContracaecum bancrofti,a unique Australian species reported previously from the Australian pelican in Northern Territory, New South Wales, Victoria and South Australia. This study highlights the role of migratory birds and introduced fish species, such as carp, in distributing zoonotic pathogens not only across the continent but also from marine to freshwater systems. Coonancoocabil Lagoon is located in the Murrumbidgee Valley National Park, a highly managed conservation area with native fish in wetlands located in close proximity to several fish farms and hatcheries. Infection of a highly resilient invasive fish species, such as carp, with a zoonotic parasite of low host specificity, such asContracaecumlarvae, should be alarming for aquaculture and environmental authorities.
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Lattimore, MAE, HG Beecher, and KL O'Callaghan. "Establishment and early growth after rice of subterranean clover (Trifolium subterraneum), Persian clover (T. resupinatum), balansa clover (T. michelianum), and white clover (T. repens)." Australian Journal of Experimental Agriculture 34, no. 4 (1994): 459. http://dx.doi.org/10.1071/ea9940459.

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Four temperate clovers were grown on a typical rice-growing soil in the Murrumbidgee Valley, New South Wales, to assess their establishment and early growth potential. Subterranean clover (Trifolium subterraneum var. yanninicum) cv. Trikkala, Persian clover (T. resupinatum) cv. Maral, balansa clover (T. michelianum var. balansae) cv. Paradana, and white clover (T. repens) cv. Haifa were sown immediately following a rice crop in autumn of 3 consecutive years. Seven sowing methods were compared, including combinations of surface or drill sowing with land preparation techniques commonly used in rice-farming systems. All cultivars established successfully. Trikkala had the best establishment on the basis of per cent seed sown in year 2, and equal best in years 1 and 3, although Paradana and Maral had higher plant densities at the sowing rates used. Paradana and Maral produced the highest dry matter yields and Haifa the lowest (P<0.05) in the growing period to mid-spring. Sowing method strongly influenced (P<0.05) both establishment and yield of clover. Sowing into a dense rice canopy before harvest severely restricted clover performance, while harvesting rice before sowing greatly improved (P<0.05) clover establishment and dry matter production. Establishment from surface sowing was generally more successful than from drill sowing, although yields with both methods were mostly satisfactory. Establishment and yields were highest after burning stubble, but this effect was variable and not always significant. Sowing after cultivation was not successful, especially in the 2 wetter years, due to poor seedbed preparation and waterlogging.
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Sivapalan, Siva, Graeme Batten, Ashantha Goonetilleke, and Serge Kokot. "Yield performance and adaptation of some Australian-grown rice varieties through multivariate analysis." Australian Journal of Agricultural Research 58, no. 9 (2007): 874. http://dx.doi.org/10.1071/ar06357.

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Rice breeders are involved in developing new varieties for a diverse range of production environments to increase average yields. Interpretation of performance of several varieties evaluated in a broad range of environments is usually affected by variety × environment interactions. Application of multivariate analyses, especially multi-criteria decision making (MCDM) methods in variety × environment interaction studies can benefit interpretation of yield performance and adaptation of varieties in response to different environments. The case study discussed in this paper highlights the significant advantages of using MCDM methods to overcome constraints imposed by having to investigate a large number of variables inherent in such analysis. The grain yield of 13 rice varieties with varying characteristics, grown in 4 different regions in southern New South Wales (NSW), Australia, during the 2000–06 growing seasons was analysed using classification techniques and preference ranking organization method for enrichment evaluation (PROMETHEE) analysis. Significant variety × environment interaction was found to influence the yield performance of individual varieties across a range of environmental conditions. Classification of environments and geometrical analysis for interactive aid (GAIA) plot of PROMETHEE analysis identified the Murrumbidgee Irrigation Area (MIA) and Coleambally Irrigation Area (CIA) as higher yielding regions compared with the Eastern Murray Valley (EMV) and Western Murray Valley (WMV). Turbid water and cold weather conditions are suggested to explain the lower yield obtained in the WMV environment. In terms of varieties, Amaroo and Opus were identified as widely adaptable to most of the environments, while Jarrah was the least adaptable. Illabong can be considered as best adapted to the EMV or WMV regions, while Paragon and Reiziq can be regarded as best adapted to the MIA and CIA regions. Partial and complete ranking showed the interrelationships between the varieties for their yield performance and adaptation across all environments. Amaroo, Illabong, and Opus were ranked as the most preferred varieties, while Koshihikari, Kyeema, and Jarrah were ranked as the least preferred ones. Partial pre-order with 13 classes from PROMETHEE I analysis identified varieties with similar characteristics and aided the selection of suitable alternative varieties. The outcomes from the analyses reported here allow rice varieties or genotypes to be rated for yield stability for a specific or a range of different environments.
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Humphreys, E., WS Meyer, SA Prathapar, and DJ Smith. "Estimation of evapotranspiration from rice in southern New South Wales: a review." Australian Journal of Experimental Agriculture 34, no. 7 (1994): 1069. http://dx.doi.org/10.1071/ea9941069.

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This paper reviews field measurements of evapotranspiration from rice (ET rice) in the Murrumbidgee Valley of southern New South Wales. The results are compared with US Class A open pan evaporation (E pan) at CSIRO Griffith, and with reference evapotranspiration (ETo) calculated using a locally calibrated Penman equation. Both methods (+ETrice = +Epan or +ETrice = +ETo) give good estimates of total evapotranspiration from flooded rice over the ponded season of about 5 months, from October to February. Variation between seasons in total ETo, rainfall, and ETo minus rainfall is large. Over 32 years, total seasonal ETo varied by a factor of 1.5, while rainfall varied >10-fold. The irrigation water requirement for rice +(ETo - rainfall) varied from 685 mm in 1992-93 to 1350 mm in 1990-91. This large variation highlights the need to adjust the rice water use limit (16 ML/ha or 1600 mm) on a seasonal basis, to detect and eliminate high water use paddocks where percolation to the groundwater or surface runoff is excessive (>2 ML/ha). On average, an irrigation requirement of 10.5 ML/ha is needed to replace net evaporative loss +(ETo - rainfall) for rice flooded for 5 months, October-February. Monthly totals of ETo are compared for several locations within the rice-growing areas of southern New South Wales, and differences between locations are found to be small and not significant. This reflects the strong dependence of evaporation on radiant energy, which is unlikely to vary spatially to a significant extent across the region. ETo calculated from meteorological data collected at CSIRO Griffith therefore provides a definitive basis for estimating evapotranspiration from rice in southern New South Wales. Furthermore, CSIRO Griffith has a computerised meteorological data base going back to the 1930s. Current meteorological data and historical records are readily available by contacting the Metdata Manager. Therefore, the case is made for using CSIRO Griffith ETo as the reference for estimating evapotranspiration from rice in southern New South Wales. This study provides farmers, Land and Water Management Plan groups, and policy makers with a tool that can be used, on a yearly basis, to evaluate rice paddock water use efficiency. It should be adopted to confine rice growing to the least permeable soils.
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Dissertations / Theses on the topic "Murrumbidgee Valley"

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Anderson, Brett Gordon. "Quantifying the interaction between riparian vegetation and flooding : from cross-section to catchment scale /." Connect to thesis, 2006. http://repository.unimelb.edu.au/10187/2086.

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This study investigates whether the flood regime in a catchment is sensitive to the condition of riparian vegetation along the river network. The research is based on a comprehensive assessment and synthesis of field and laboratory measurements of vegetation flow resistance. A new numerical model is developed to estimate the roughness characteristics of multi-species riparian assemblages at a cross-section. Reach-scale and catchment-scale flood routing models are then applied to estimate the impact of vegetation on flood characteristics at successively larger scales. The investigation reveals that when riparian vegetation is removed at catchment-scale, peak stage declines as channel capacity increases but is also increased as the upstream catchment responds more rapidly to rain. In fact, the two competing impacts tend to cancel out leaving flood peak stage relatively insensitive to riparian condition. However, the overbank duration of a flood and flow speeds (including wave celerity) were both found to be sensitive to vegetation condition; respectively increasing and decreasing with density of vegetation. The first stage of this research examines the magnitude of the vegetation contribution to overall channel roughness, and established a means to predict it. The features of the flow resistance generated by six plant types (mature trees; grasses; aquatic plants; flexible saplings; and large woody debris) were distilled from a comprehensive review of over 160 existing publications (Chapter 2).
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