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Dissertations / Theses on the topic 'Crop rotation – Western Australia'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Doole, Graeme John. "Value of perennial pasture phases in dryland agricultural systems of the eastern-central wheat belt of Western Australia." University of Western Australia. School of Agricultural and Resource Economics, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0213.

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Over the past thirty years, price relativities and technological development have motivated an increase in the area of land allocated to cropping, as opposed to pasture production, throughout the central wheat belt of Western Australia. Nevertheless, reducing the proportion of pasture in these rotations has challenged the future productivity of farming systems in this area. First, the frequent application of selective herbicides for weed control in extended cropping rotations has promoted the development of herbicide resistance in a number of major agricultural weeds. Second, the primary use o

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2

Wildy, Daniel Thomas. "Growing mallee eucalypts as short-rotation tree crops in the semi-arid wheatbelt of Western Australia." University of Western Australia. School of Plant Biology, 2004. http://theses.library.uwa.edu.au/adt-WU2004.0031.

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[Truncated abstract] Insufficient water use by annual crop and pasture species leading to costly rises in saline watertables has prompted research into potentially profitable deep-rooted perennial species in the Western Australian wheatbelt. Native mallee eucalypts are currently being developed as a short-rotation coppice crop for production of leaf oils, activated carbon and bio-electricity for low rainfall areas (300—450 mm) too dry for many of the traditional timber and forage species. The research in this study was aimed at developing a knowledge base necessary to grow and manage coppice

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3

Collins, Shane. "Residue composition influences nutrient release from crop residues." University of Western Australia. School of Earth and Geographical Sciences, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0171.

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[Truncated abstract] A greater adoption of stubble retention, minimum-till and no-till farming practices for the purposes of conserving soil, water and fertility requires a greater understanding of the complexity of physical and chemical interactions between the soil and crop residues. There is currently insufficient knowledge to allow reliable predictions of the effects of different residue types in different environments on soil fertility and crop growth, owing to the many residue characteristics and environmental interactions that have been shown to affect decomposition or nutrient release.

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4

Minkey, David Mark. "Weed seed predation by ants in the crop growing areas of Western Australia." University of Western Australia. Faculty of Natural and Agricultural Sciences, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0089.

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[Truncated abstract] In the crop growing areas of Western Australia, two economically important weed species, Lolium rigidum Gaud. (annual ryegrass) and Raphanus raphanistrum L. (wild radish), have evolved widespread herbicide resistance to multiple chemistry groups. Consequently, grain growers in the region have adopted an integrated approach to weed management that includes many non herbicide tools, however many more are needed as these weed species become increasingly more difficult to control. This thesis examines, in a series of field trials carried out in the Western Australian crop grow

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5

Stein, Susanne [Verfasser]. "Spatial analysis of crop rotation practice in North-western Germany / Susanne Stein." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1218299193/34.

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6

Latta, Roy A. "Improving medic pastures in pasture-wheat rotations in the Mallee district of North-Western Victoria /." Title page, contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09A/09al364.pdf.

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7

Gathumbi, Stanley Mwangi. "Nitrogen sourcing by fast-growing legumes in pure and mixed species fallows in western Kenya." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322531.

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8

Minkey, David Mark. "Weed seed predation by ants in the crop growing areas of Western Australia /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0089.

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9

Christodoulou, Nicholas, of Western Sydney Hawkesbury University, and Faculty of Environmental Management and Agriculture. "Learning to develop participative processes to improve farming systems in the Balonne Shire, Queensland." THESIS_FEMA_XXX_Christodoulou_N.xml, 2000. http://handle.uws.edu.au:8081/1959.7/302.

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This thesis develops two related themes.The first is that participatory approaches to agricultural research and extension can provide a sound process for all stakeholders to learn how to develop more sustainable agriculture. The second is that appropriate levels of participation can be used to link knowledge from three important sources: local knowledge, scientific knowledge and experiential knowledge.The thesis develops these two related themes by examining the inconsistencies between esposed theories of participatory approaches (i.e.intended behaviour) and theories in action (i.e. what is ac

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10

Bramley, Helen. "Water flow in the roots of three crop species : the influence of root structure, aquaporin activity and waterlogging." University of Western Australia. School of Plant Biology, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0102.

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[Truncated abstract] The hydraulic properties of the roots of three crop species important to Western Australia were examined: wheat (Triticum aestivum), narrow-leafed lupin (Lupinus angustifolius) and yellow lupin (L. luteus). Generally, the hydraulic conductivity (Lpr) of root systems differs between species and can change in response to adverse conditions. To determine the significance of root anatomy and aquaporin activity on the pathway of water flow through roots, water flow was measured across cell membranes, individual roots and whole root systems. The combination of measurements ident

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11

McLaughlin, Michael John. "Phosphorus cycling in soil under wheat-pasture rotations /." Title page, contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phm1615.pdf.

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12

Swiegelaar, Nina Antionette. "Evaluating the effect of crop rotations and tillage practices on soil water balances of selected soils and crop performances in the Western Cape." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86237.

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Thesis (MScAgric)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The aim of this study was to investigate the influence of crop rotation and soil tillage on the soil water balance and water use efficiency of wheat, canola, lupin and medics in the Swartland sub region of the Western Cape. This trail was conducted as a component study within a long-term crop rotation/tillage trial during 2012 and 2013 at the Langgewens Research Farm (33016’42.33” S; 18042’11.62” E; 191m) of the Western Cape Department of Agriculture near Moorreesburg. The experiment was laid out as a randomized complete b

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13

Norrish, Shane A., University of Western Sydney, of Science Technology and Environment College, and School of Environment and Agriculture. "Soil and water interactions controlling wheat crop response to phosphorus fertiliser in north-western New South Wales." THESIS_CSTE_EAG_Norrish_S.xml, 2003. http://handle.uws.edu.au:8081/1959.7/613.

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This thesis examines the response to P fertiliser by wheat crops growing in the vertosol soils of the low rainfall areas of the northern grain zone of eastern Australia. Farmers in this region depend on water accumulated from rainfall over a fallow period and stored in the subsoil to increase wheat grain yield beyond that normally achievable from in-crop rainfall and to decrease the production risks due to rainfall variability. The large variability in stored water, seasonal rainfall and subsoil properties result in extremely varied yield and yield responses to P fertiliser between seasons and

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14

Smith, Ray P. "An economic comparison of reduced tillage and no-till crop production in western Kansas with and without opportunity cropping." Thesis, Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/396.

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15

Knott, Stuart Charles. "An analysis of the financial implications of different tillage systems within different crop rotations in the Swartland area of the Western Cape, South Africa." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96855.

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Thesis (MScAgric)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: The pressure on the world’s natural resources is increased by an expanding global population. The majority of the growth is expected to take place in Africa and Asia. This creates the need for sustainable agricultural practices. To sustain food security, the limited natural resources must be utilised efficiently to optimise agricultural productivity. Conservation agriculture (CA) is one of the most holistic sustainable agricultural practices yet. It reduces environmental degradation, and concurrently it could enhance f

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16

Nteyi, Sinovuyo Mava. "Effects of crop rotation and tillage system on the control of ryegrass (lolium multiflorum X perenne) in wheat (triticum aestivum) in the Swartland production area of South Africa's Western Cape Province." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020990.

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A major challenge facing agriculture today is to sustain the productivity of agricultural systems with the reduction of weed invasion. The Swartland region in the Western Cape (South Africa) is intensively cropped, producing wheat (Triticum aestivum) as the major crop. As a result of the weedy ryegrass invasion the wheat yield is reduced. In addition, ryegrass has developed resistance to grass herbicides (graminicides). This situation has increased the need to use alternative practices for controlling the invasion of ryegrass in wheat fields. In this regard, crop rotation and tillage systems w

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17

Wessels, Pieter Gerhardus Wilhelmus. "Soil nitrogen dynamics and spring wheat (Triticum aestivum) production in different cropping systems in the Swartland." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52455.

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Thesis (MScAgric)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: Protein and oilseed production in the winter rainfall region of South Africa (primarily the Southern and Western Cape) is well below the potential for the area. One possible method of increasing production is to convince producers that the inclusion of protein and oilseed rotational crops will enhance the sustainability of wheat production systems. A project to investigate, quantify and elucidate the effect of canola (Brassica napus), lupins (Lupinus angustifolius) and medics (Medicago spp.) on subsequent wheat (

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18

Christodoulou, Nicholas. "Learning to develop participative processes to improve farming systems in the Balonne Shire, Queensland /." View thesis View thesis, 2000. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030507.130624/index.html.

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Thesis (M.Sc.) (Hons.) -- University of Western Sydney, Hawkesbury, 2000.<br>"A thesis presented to the University of Western Sydney, Hawkesbury, in fulfilment of the requirements for the degree of Master of Science (Honours)". Bibliography : leaves 123-130.

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19

Stein, Susanne. "Spatial analysis of crop rotation practice in North-western Germany." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-1494-D.

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20

Latta, Roy A. (Roy Alexander). "Improving medic pastures in pasture-wheat rotations in the Mallee district of North-Western Victoria." 1994. http://web4.library.adelaide.edu.au/theses/09A/09al364.pdf.

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21

Przednowek, David William Andrew. "The effect of pulse crop rotation and controlled-released urea on the nitrogen accumulation and end-use quality of Canada Western Red Spring wheat." 2003. http://hdl.handle.net/1993/7851.

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The main goal of this study was to evaluate the effect of pulse crop rotation and controlled-release urea (CRU) on soil nitrogen (N) status and N accumulation of Canada Western Red Spring (CWRS) wheat. Spring wheat (Triticum aestivum L. cv. AC Barrie) was grown at Carman and Brandon, MB, on field pea (Pisum sativum L.) and flax (Linum usitatissimum L) stubble at three rates (0, 30, and 90 kg N ha-1) of N from two fertilizer N sources, ammonium nitrate (AN) and CRU, a polyurethane-coated urea with an N content of 43 per cent. Wheat was grown at Swift Current, SK, on field pea and durum wheat st

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