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The soil microbial community and grain micronutrient concentration of historical and modern hard red spring wheat cultivars grown organically and conventionally in the black soil zone of the Canadian prairies
Download2011
Thavarajah, Dil, Clapperton, M. Jill, Frick, Brenda, Quideau, Sylvie A., Hucl, Pierre J., Nelson, Alison G., Spaner, Dean M.
Micronutrient deficiencies in the diet of many people are common and wheat is a staple food crop, providing a carbohydrate and micronutrient source to a large percentage of the world’s population. We conducted a field study to compare five Canadian red spring wheat cultivars (released over the...
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The Spacing of Time and the Place of Hospitality: Living Together According to Bruno Latour and Jacques Derrida
Download2015
In this article, I would like to pursue the question whether it is possible to understand Derridean ethics in terms of space rather than time. More precisely, I would like to ask whether what Derrida proposes as an ethics (and exactly what that is will have to be explained) falls under the...
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The spread, establishment and impacts of the spiny water flea, Bythotrephes longimanus, in temperate North America: a synopsis of the special issue.
Download2011
Leung, B., Yan, N. D., Peacor, S. D., Lewis, M. A.
More than most sub-disciplines of ecology, the study of biological invasions is characterized by breadth rather than by depth. Studies of expanding ranges of invaders are common, as are post-invasion case studies, but we rarely have a deep understanding of the dynamics and regulators of the...
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1965
Morgenstern, N. R., Amir-Tahmasseb, I.
Hydrostatic pressure, arching of the soil and electro-osmotic forces have each been suggested as the dominant factor to account for stability of trench excavations in cohesionless soils supported by clay slurries. The Authors suggest that the most important mechanism is the hydrostatic pressure...
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The standard centrifuge method accurately measures vulnerability curves of longvesselled olive stems
Download2015
Venturas, M.D., Sperry, J.S., Hacke, U.G., Pratt, R.B. , Jacobsen, J.S., MacKinnon, E.D.
The standard centrifuge method has been frequently used to measure vulnerability to xylem cavitation. This method has recently been questioned. It was hypothesized that open vessels lead to exponential vulnerability curves, which were thought to be indicative of measurement artifact. We tested...
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2013
Our understanding of the process of interdisciplinary research has expanded considerably over the last decades. The purpose of this brief paper is to take stock of where we are going. The first section addresses definitional issues and discusses the relationship between teaching and research....
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2015-03-02
"It is that time of the year again to provide our readers with a progress report on the journal's health and well-being, and to provide a “sneak preview” of the coming months." (as cited in editorial)
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2003-01-01
This paper presents an overview of the current status of mine water management in South Africa. The regulatory framework within which mine water management operates is set out, based on the principles and policies embodied in the relevant legislation. The status of the gold and coal mining...