Elwin G. Smith
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View article: Ewe udder and teat traits as potential selection criteria for improvement of Merino lamb survival and growth
Ewe udder and teat traits as potential selection criteria for improvement of Merino lamb survival and growth Open
Neonatal lamb mortality is a major economic and welfare issue for Australian sheep producers. The contribution of udder and teat traits of the dam to the survival and subsequent growth of the lamb is relatively unknown. This study aimed to…
View article: Pasture rejuvenation using sainfoin and cicer milkvetch in western Canada
Pasture rejuvenation using sainfoin and cicer milkvetch in western Canada Open
Sod‐seeding of depleted pastures with non‐bloating legumes can be a low‐cost pasture rejuvenation strategy for ranchers in the North American prairies. A study was conducted to determine if sainfoin ( Onobrychis vicifolia subsp. vicifolia …
View article: Fertigation of wheat and canola in southern Alberta
Fertigation of wheat and canola in southern Alberta Open
An irrigation study in southern Alberta compared spring-banded nitrogen (N) to spring-banded N plus fertigation at three plant growth stages for spring wheat (Triticum aestivum L.) and canola (Brassica napus L.). Yield and quality impacts …
View article: Soil organic carbon changes as influenced by carbon inputs and previous cropping system
Soil organic carbon changes as influenced by carbon inputs and previous cropping system Open
We planted continuous wheat, with and without nitrogen fertilizer, onto a preceding long-term (44 yr) experiment with contrasting cropping systems, and measured soil organic carbon (SOC) after 6 yr. Changes in SOC were driven mostly by cum…
View article: The profitability of diverse crop rotations and other cultural methods that reduce wild oat (<i>Avena fatua</i>)
The profitability of diverse crop rotations and other cultural methods that reduce wild oat (<i>Avena fatua</i>) Open
With the increasing resistance of wild oat (Avena fatua L.) to herbicides, there is a need to evaluate the potential of alternative cropping systems based on integrated weed management principles. A 5-yr field study at eight sites across C…
View article: Soil organic matter dynamics in long-term temperate agroecosystems: rotation and nutrient addition effects
Soil organic matter dynamics in long-term temperate agroecosystems: rotation and nutrient addition effects Open
Soil organic matter (SOM) is a major driver of key agroecosystem functions. Our objective was to examine the dynamics of organic matter in whole soil, particulate (POM; >53 μm size), and mineral-associated (MAOM) fractions under varying cr…
View article: Attempts to rescue yield loss in continuous canola with agronomic inputs
Attempts to rescue yield loss in continuous canola with agronomic inputs Open
Recent canola acreage and production in western Canada have reached record high levels. Field experiments were conducted from 2014 to 2016 on land previously seeded to continuous canola for 6 yr at three Canadian Prairie sites. We determin…
View article: Will summer fallow re-emerge in the Dark Brown soil zone of the Canadian Prairie as a response to net return risk?
Will summer fallow re-emerge in the Dark Brown soil zone of the Canadian Prairie as a response to net return risk? Open
We assessed the extent to which summer fallow in the Dark Brown soil zone is likely to return as a response to net return (NR) risk. An economic model was used to identify, delineate and quantify the effects of changes in product prices an…
View article: Effect of seeding date and rate on malting barley (<i></i>Hordeum vulgare<i></i> L.) quality
Effect of seeding date and rate on malting barley (<i></i>Hordeum vulgare<i></i> L.) quality Open
A field study conducted over three years in western Canada investigated the effects of seeding date and rate on malting quality of AC Metcalfe barley. Seeding date had little or no effect on quality. Increasing the seeding rate improved se…
View article: Long-term (47 yr) effects of tillage and frequency of summerfallow on soil organic carbon in a Dark Brown Chernozem soil in western Canada
Long-term (47 yr) effects of tillage and frequency of summerfallow on soil organic carbon in a Dark Brown Chernozem soil in western Canada Open
After 47 yr of no-till and reduced summerfallow at Lethbridge, Alberta, soil organic carbon concentration and stocks increased 2.14 g kg −1 and 2.22 Mg ha −1 , respectively, in the surface 7.5 cm layer. These findings confirmed the conserv…
View article: Influence of production systems on return and risk from malting barley production in western Canada
Influence of production systems on return and risk from malting barley production in western Canada Open
Profitable malting barley (Hordeum vulgare L.) production systems are required to reverse the decline in area seeded to malting barley in western Canada. Systems that could increase the profitability of growing malting barley considered th…
View article: Texas Business Review, February 1936
Texas Business Review, February 1936 Open
Business Review and Prospect; Financial; Cotton; Oil and Texas; Livestock; Retail Trade and Credit
View article: Texas Business Review, April 1936
Texas Business Review, April 1936 Open
Business Review and Prospect; Financial; The Development of Oil Production in the Southwest; Cotton; Retail Trade and Credit
View article: Texas Business Review, September 1935
Texas Business Review, September 1935 Open
Business Review and Prospect; Financial; Petroleum; Cotton; Livestock Shipments; Retail Trade and Credit
View article: Texas Business Review, January 1936
Texas Business Review, January 1936 Open
Business Review and Prospect; Financial; Larger Significance of Oil and Natural Gas to Texas; Cotton; Retail Trade and Credit
View article: Texas Business Review, June 1936
Texas Business Review, June 1936 Open
Business Review and Prospect; Financial; Oil and Natural Gas and Texas Development in the Next 25 Years; Cotton; Current Manufacturing Developments; Retail Trade and Credit
View article: Canola cultivar mixtures and rotations do not mitigate the negative impacts of continuous canola
Canola cultivar mixtures and rotations do not mitigate the negative impacts of continuous canola Open
Harker, K. N., O'Donovan, J. T., Turkington, T. K., Blackshaw, R. E., Lupwayi, N. Z., Smith, E. G., Dosdall, L. M., Hall, L. M., Kutcher, H. R., Willenborg, C. J., Peng, G., Irvine, R. B. and Mohr, R. 2015. Canola cultivar mixtures and rot…
View article: Yield and profitability of fallow and fertilizer inputs in long-term wheat rotation plots at Lethbridge, Alberta
Yield and profitability of fallow and fertilizer inputs in long-term wheat rotation plots at Lethbridge, Alberta Open
Smith, E. G., Janzen, H. H. and Kröbel, R. 2015. Yield and profitability of fallow and fertilizer inputs in long-term wheat rotation plots at Lethbridge, Alberta. Can. J. Plant Sci. 95: 579–587. A long-term, 42-yr study was used to determi…