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Relevant bibliographies by topics / Crop yields South Australia Case studies

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Academic literature on the topic 'Crop yields South Australia Case studies'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Crop yields South Australia Case studies"

1

Armstrong, E. L., D. P. Heenan, J. S. Pate, and M. J. Unkovich. "Nitrogen benefits of lupins, field pea, and chickpea to wheat production in south-eastern Australia." Australian Journal of Agricultural Research 48, no. 1 (1997): 39. http://dx.doi.org/10.1071/a96054.

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Nitrogen balances of narrow leaf lupin (Lupinus angustifolius L.), albus lupin (L. albus L.), field pea (Pisum sativum L.), chickpea (Cicer arietinum L.), and barley (Hordeum vulgare L.) sown over a range of dates were examined in 1992 in a rotation study at Wagga Wagga, NSW. Each N budget included assessment of dependence on fixed as opposed to soil N, peak aboveground biomass N, and N removed as grain or returned as unharvested aboveground crop residues. N balances of wheat sown across the plots in 1993 were assessed similarly in terms of biomass and grain yield. Yields, N2 fixation, and cro

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2

Robertson, M. J., R. C. Muchow, R. A. Donaldson, N. G. Inman-Bamber, and A. W. Wood. "Estimating the risk associated with drying-off strategies for irrigated sugarcane before harvest." Australian Journal of Agricultural Research 50, no. 1 (1999): 65. http://dx.doi.org/10.1071/a98051.

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The development of recommendations for drying-off management in sugarcane is difficult due to climatic variability and lack of knowledge of the sensitivity of changes in sucrose content and cane yield to severity of water deficit. Relative cane biomass targets were developed for drying-off irrigated sugarcane before harvest based on derived relationships between cane yield, cane dry weight, and sucrose concentration, using pooled data from previous field studies. These targets were then linked to a crop–soil model and long-term climate data to determine the economically optimum duration of dry

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3

Sadras, Victor O. "A quantitative top-down view of interactions between stresses: theory and analysis of nitrogen - water co-limitation in Mediterranean agro-ecosystems." Australian Journal of Agricultural Research 56, no. 11 (2005): 1151. http://dx.doi.org/10.1071/ar05073.

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The multiple factors constraining the growth, reproduction, and survival of diverse organisms are often non-additive. Research of interacting factors generally involves conceptual models that are specific for target organism, type of stress, and process. As a complement to this reductionist, bottom-up view, in this review I discuss a quantitative top-down approach to interacting stresses based on co-limitation theory. Firstly, co-limitation theory is revised. Co-limitation is operationally identified when the output response of a biological system (e.g. plant or population growth) to two or mo

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4

Wu, P. S., H. Z. Du, X. L. Zhang, J. F. Luo, and L. Fang. "Occurrence of Phoma macdonaldii, the Causal Agent of Sunflower Black Stem Disease, in Sunflower Fields in China." Plant Disease 96, no. 11 (November 2012): 1696. http://dx.doi.org/10.1094/pdis-05-12-0485-pdn.

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Phoma macdonaldii Boerma is the pathogen of sunflower black stem disease, causing dark black, oval to long lesions on stems of sunflower plants. Infection during early growth stages can reduce yield by 10 to 30% (3). This fungal disease is distributed mainly in North and South America and Europe. In China, the first case was reported in Xinjiang in 2008 (1), and was believed to be introduced as a result of hybrid sunflower seeds being imported from abroad. The Chinese government included this fungus into its quarantine pests list in 2010 (2). Since China imports a great number of sunflower see

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5

Anderson, Randy L. "Increasing corn yield with no-till cropping systems: a case study in South Dakota." Renewable Agriculture and Food Systems 31, no. 6 (November 25, 2015): 568–73. http://dx.doi.org/10.1017/s1742170515000435.

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AbstractNo-till practices have improved crop yields in the semiarid Great Plains. However, a recent assessment of research studies across the globe indicated that crop yields are often reduced by no-till. To understand this contrast, we examined corn yields across time in a no-till cropping system of one producer in central South Dakota to identify factors associated with increased yield. The producer started no-till in 1990; by 2013, corn yield increased 116%. In comparison, corn increased only 32% during this interval with a conventional, tillage-based system in a neighboring county. With no

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6

Angus, J. F., R. R. Gault, M. B. Peoples, M. Stapper, and A. F. van Herwaarden. "Soil water extraction by dryland crops, annual pastures, and lucerne in south-eastern Australia." Australian Journal of Agricultural Research 52, no. 2 (2001): 183. http://dx.doi.org/10.1071/ar00103.

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The extraction of soil water by dryland crops and pastures in south-eastern Australia was examined in 3 studies. The first was a review of 13 published measurements of soil water-use under wheat at several locations in southern New South Wales. Of these, 8 showed significantly more water extracted by crops managed with increased nitrogen supply or growing after a break crop. The mean additional soil water extraction in response to break crops was 31 mm and to additional N was 11 mm. The second study used the SIMTAG model to simulate growth and water-use by wheat in relation to crop management

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7

Trouillas, F. P., F. Peduto, J. D. Lorber, M. R. Sosnowski, J. Grant, W. W. Coates, K. K. Anderson, J. Caprile, and W. D. Gubler. "Calosphaeria Canker of Sweet Cherry Caused by Calosphaeria pulchella in California and South Australia." Plant Disease 96, no. 5 (May 2012): 648–58. http://dx.doi.org/10.1094/pdis-03-11-0237.

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California is the second largest sweet cherry producer in the United States with annual revenues up to $200 million. The South Australian cherry industry generates about 10% of Australia's overall production with approximately 1,500 metric tons of cherries produced yearly. In California, perennial canker diseases and subsequent branch dieback are responsible for extensive damage throughout sweet cherry orchards, reducing annual yields and tree longevity. Surveys of cherry orchards and isolation work were conducted in California to identify the main canker-causing agents. Calosphaeria pulchella

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8

Perera, Ruchika S., Brendan R. Cullen, and Richard J. Eckard. "Changing patterns of pasture production in south-eastern Australia from 1960 to 2015." Crop and Pasture Science 71, no. 1 (2020): 70. http://dx.doi.org/10.1071/cp19112.

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The seasonal pattern of pasture production and its variability from year to year are important for pasture-based livestock production systems in south-eastern Australia because they influence key strategic decisions such as stocking rate and timing of the reproductive cycle. In this study, the effects of observed climate variations over the period 1960–2015 on pasture growth patterns were investigated by using a biophysical modelling approach. Pasture growth rates were simulated using DairyMod biophysical software at five sites ranging from high-rainfall, cool temperate at Elliott in Tasmania

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9

Jacobs, J. L., J. Hill, and T. Jenkin. "Effect of different grazing strategies on dry matter yields and nutritive characteristics of whole crop cereals." Animal Production Science 49, no. 7 (2009): 608. http://dx.doi.org/10.1071/ea08245.

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Forage cereals offer the potential to increase the amount of forage grown and consumed on dairy farms in southern Australia. The effect of single or multiple grazing of winter cereal forages by lactating dairy cattle on dry matter (DM) yield and nutritive value at grazing and on subsequent silage production harvested at the soft-dough stage of growth was determined in three studies in south-western Victoria. In the first two studies, a range of forage cereals and an annual ryegrass were grazed either once (G1) during tillering (GS 21–29), followed by locking up for silage, grazed twice (G2) (G

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10

Hall, D. J. M., H. R. Jones, W. L. Crabtree, and T. L. Daniels. "Claying and deep ripping can increase crop yields and profits on water repellent sands with marginal fertility in southern Western Australia." Soil Research 48, no. 2 (2010): 178. http://dx.doi.org/10.1071/sr09078.

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Sandplain soils on the south coast of Western Australia have multiple limitations to crop production that include water repellence, low water and nutrient retention, subsoil acidity, and high soil strength. Crops on sandplain soils achieve, on average, almost 85% of their rainfall-limited yield potential; however, where there are multiple limitations the corresponding value is often <50% in any given year. Previous research has shown the value of applying clay-rich subsoil (‘claying’) to ameliorate water repellent soils and improve nutrient retention. Other studies have shown that deep ripp

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