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Skip to Search Results- 15Dyck, Miles (Renewable Resources)
- 6Landhausser, Simon (Renewable Resources)
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- 2Karst, Justine (Renewable Resources)
- 2Nichol, Connie (Agrium Inc.)
- 1Chanasyk, David (Renewable Resources)
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An Assessment of Intercropping and Fertilization in Cassava - (Manihot esculenta) Based Systems in the Kolli Hills, South India
DownloadSpring 2015
There is much interest in reducing risk, increasing yield and maintaining soil fertility and biodiversity in agriculture. The effects of intercropping cassava (M. esculenta crantz) with beans (Phaseolus spp), millet (E. coracana) or a bean-millet mixture with the use of various soil amendment...
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Application of Time Domain Reflectometry and Heat Pulse Methods for Quantifying Phase Change, Water Flow and Heat Transport in Frozen Soils
DownloadSpring 2015
Understanding water flow and heat transport processes in frozen/freezing soils is limited by methodologies for simultaneous, automated measurement of soil properties affecting soil water and heat flux. The major objective of this dissertation was to develop and evaluate time domain reflectometry...
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Development of an Extraction Method for Estimating Phytoaccessible Fractions of Bromacil and Tebuthiuron
DownloadFall 2022
Bromacil and tebuthiuron are herbicides used from the 1960s to 1990s on industrial sites to control vegetation. Approximately 61,750 sites are considered contaminated when comparing total herbicide concentrations (estimated by 99 percent methanol extraction) against Alberta’s remediation...
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Disturbance Effects of Oil Sands Exploration Practices on Coarse-textured Soils and Populus tremuloides Michx. Regeneration
DownloadSpring 2018
Oils sands exploration (OSE) sites associated with in situ oil sands development are required to evaluate and delineate oil resources. Once these sites are cleared and disturbed for exploration, they can result in habitat disturbance and fragmentation, invasion of weed species, changes to surface...
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Diverting Resources to Turn on Resistance: Influences of Biotic and Abiotic Stresses on Aspen Seedlings
DownloadFall 2012
The interactions between biotic and abiotic stresses and their influence on plant reserves in non-photosynthetic tissues (i.e., roots and stems) and the role of plant reserves in tree defenses are poorly understood. Aspen seedlings grown under different conditions (light, fertilizer) were grouped...
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Fall 2016
The addition of biochar to soil is believed to have positive effects on soil nutrient retention. Enhanced cation exchange capacity, water holding capacity and soil aeration are thought to be some of the benefits provided by biochar. In Alberta, reclamation of disturbed sites may be hastened by...
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Spring 2020
The boreal forest is a major ecosystem in Alberta, subject to a number of anthropogenic disturbances such as oil and gas extraction. Prior to disturbance, top soils are salvaged for use in future reclamation projects; however, a large portion of this soil ends up in stockpiles, undergoing changes...
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Greenhouse Gas Emissions Following Tillage Reversal on a Black Chernozem and a Gray Luvisol in Alberta
DownloadFall 2012
Agricultural soils under long-term no till management have been well known to sequester atmospheric carbon in soil organic matter and to reduce emissions of greenhouse gases. Our study aimed at quantifying CO2 and N2O emissions from Black Chernozems and Gray Luvisols managed under long-term (~ 30...
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Laboratory-Measured Soil Organic Carbon Mineralization in Soil Samples from Six Long-Term Crop Rotations in Alberta as a Function of Sample Disturbance
DownloadFall 2015
Soil organic carbon (SOC) plays a dual role in soil; as a key compound determining the function and performance of agricultural soils and as the main terrestrial pool of carbon. The carbon content of cultivated soils has been found to depend on management practices. This laboratory incubation...