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Articles 1 - 30 of 34
Full-Text Articles in Plant Sciences
Oregon Aspen Project, Forest Restoration Partnership
Oregon Aspen Project, Forest Restoration Partnership
Aspen Bibliography
The Oregon Aspen Project was initiated in response to the decline of aspen groves in Oregon and throughout the Western United States, and the lack of information to guide managers interested in stewardship to enhance this resource. There were three central goals and accompanying objectives for this project which are listed below. The project accomplishments are provided below each bulleted objective
Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman
Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman
Gardening
No abstract provided.
Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman
Topsoil Quality Guidelines For Landscaping, Rich Koenig, Von Isaman
All Archived Publications
No abstract provided.
Using Mulches In Utah Landscapes And Gardens, Rich Koenig, Kitt Farrell-Poe Phd, Bruce Miller
Using Mulches In Utah Landscapes And Gardens, Rich Koenig, Kitt Farrell-Poe Phd, Bruce Miller
All Current Publications
This publication discusses the use of mulches in Utah landscapes including benefits and application information.
Solutions To Soil Problems: I. High Salinity (Soluble Salts), Vernon Parent, Rich Koenig
Solutions To Soil Problems: I. High Salinity (Soluble Salts), Vernon Parent, Rich Koenig
All Current Publications
Salinity is a measure of the total amount of soluble salts in soil. As soluble salt levels increase, it becomes more difficult for plants to extract water from soil. Some plants are more resistant than other’s, but as the salt levels exceed their ability to extract water, they become water stressed.
Solutions To Soil Problems: V. Low Organic Matter, Kevin Heaton, Rich Koenig
Solutions To Soil Problems: V. Low Organic Matter, Kevin Heaton, Rich Koenig
All Current Publications
Utah soils are inherently low in organic matter due to the desert climate and historically low plant growth rates. In Utah, soil organic matter levels are typically 0.25 to 1%, while regions with high rainfall such as the Midwest and Eastern United States have soils with as much as 7 to 10% organic matter.
Solutions To Soil Problems: Ii. High Ph (Alkaline Soil), Loralie Cox, Rich Koenig
Solutions To Soil Problems: Ii. High Ph (Alkaline Soil), Loralie Cox, Rich Koenig
All Current Publications
PH is a measure of the acidity or alkalinity of a material. The pH scale ranges from 0 to 14, with 7 being neutral. A pH value below 7 indicates the soil is acidic, while values above 7 are alkaline. Each unit change in the pH scale is a 10-fold difference in acidity or alkalinity. For example, soil with a pH of 8 is ten times more alkaline than soil with a pH of 7.
Solutions To Soil Problems: Iv. Soil Structure, Rich Koenig, Teresa Cerny
Solutions To Soil Problems: Iv. Soil Structure, Rich Koenig, Teresa Cerny
All Current Publications
Soil structure refers to the combination of primary soil particles – sand, silt and clay – into larger units called aggregates or clods. Aggregates are commonly seen when a soil is tilled or disturbed.
Utah Fertilizer Guide, D. W. James, K. F. Topper
Utah Fertilizer Guide, D. W. James, K. F. Topper
All Current Publications
The Utah Fertilizer Guide is designed to provide practical answers to routine questions related to soil fertility management. The guide emphasizes laboratory analysis of soil and plant samples as the keystone to optimum fertilizer rates for maximum economic plant yield and quality. The focus of the guide is on soil fertility problems peculiar to the semi-arid and arid soils of Utah.
The Landscape Similarity Toolbox: New Tools For Optimizing The Location Of Control Sites In Experimental Studies, Thomas E. Dilts, Jian Yang, Peter J. Weisberg
The Landscape Similarity Toolbox: New Tools For Optimizing The Location Of Control Sites In Experimental Studies, Thomas E. Dilts, Jian Yang, Peter J. Weisberg
Articles
Large‐scale manipulative experiments are critically important for linking ecological theory with land management at a relevant spatial scale. Statistically powerful inferential approaches such as the before‐after‐control‐impact design involve pairing a small number of treatment sites with control sites of analogous ecological structure and landscape context. Pairing treatment and control sites that are as analogous as possible is an important step to ensuring that differences are due to a treatment effect. The Landscape Similarity Toolbox provides tools for optimizing the location of potential control sites based upon the spatial characteristics of the treatment site.
Colorful Fruit And Foliage, Larry A. Sagers
Colorful Fruit And Foliage, Larry A. Sagers
Archived Gardening Publications
No abstract provided.
Creating Fall Color, Larry A. Sagers
Creating Fall Color, Larry A. Sagers
Archived Gardening Publications
No abstract provided.
Turfgrass Cultural Practices And Insect Pest Management, Diane Alston, Kelly Kopp
Turfgrass Cultural Practices And Insect Pest Management, Diane Alston, Kelly Kopp
All Current Publications
There are a number of insects that can cause aesthetic and economic loss to turfgrass in Utah – in home lawns as well as in athletic fields and on recreational lands. Good turfgrass cultural practices are the primary way to prevent insect infestation and turfgrass damage.
Cover Crops For Utah Gardens, Michael Johnson, Maggie Wolf, Rich Keonig
Cover Crops For Utah Gardens, Michael Johnson, Maggie Wolf, Rich Keonig
All Current Publications
No abstract provided.
Solutions To Soil Problems: Iii. Drainage, Michael Johnson, Rich Koenig
Solutions To Soil Problems: Iii. Drainage, Michael Johnson, Rich Koenig
All Current Publications
Drainage is a common problem throughout Utah. Complex patterns of soil development, transport and deposition have resulted in excessively drained soils that are coarse-textured (sandy or rocky), and poorly drained soils that are fine-textured (silt and clay-dominated). Excessively drained are more common in higher elevation and bench areas.
Guide To Stakeholder Groups For Great Basin Sagebrush Steppe Restoration, Scott Hoffmann, Mark W. Brunson, Summer Olsen
Guide To Stakeholder Groups For Great Basin Sagebrush Steppe Restoration, Scott Hoffmann, Mark W. Brunson, Summer Olsen
Environment and Society Faculty Publications
As efforts are made to restore the health and functioning of sagebrush ecosystems within the Great Basin, various stakeholder interest groups have the potential to offer partnerships as well as adversarial involvement with land managers tasked with restoration. Given that greater than 60% of the Great Basin is publicly owned and managed by the Bureau of Land Management and other federal agencies, it is critical for those working in restoration to understand the views held by key stakeholder groups that may enhance or impair such efforts (Brunson and Peterson 2007). Gaining knowledge about and familiarity with those interest groups active …
Planting Landscape Trees, Michael R. Kuhns, Margaret Shao
Planting Landscape Trees, Michael R. Kuhns, Margaret Shao
All Current Publications
Trees and shrubs are valuable additions to most property, providing beauty, wind protection, shade, wildlife habitat, visual screening, and other benefi ts. Unfortunately, many landscape trees are not properly planted or cared-for.
The Sagebrush Steppe Treatment Evaluation Project (Sagestep): A Test Of State-And-Transition Theory, James Mciver, Mark W. Brunson, Steve Bunting, Jeanne C. Chambers, Nora Devoe, Paul Doescher, James Grace, Dale Johnson, Steve Knick, Richard F. Miller, Mike Pellant, Fred Pierson, David Pyke, Kim Rollins, Bruce Roundy, Eugene W. Schupp, Robin Tausch, David Turner
The Sagebrush Steppe Treatment Evaluation Project (Sagestep): A Test Of State-And-Transition Theory, James Mciver, Mark W. Brunson, Steve Bunting, Jeanne C. Chambers, Nora Devoe, Paul Doescher, James Grace, Dale Johnson, Steve Knick, Richard F. Miller, Mike Pellant, Fred Pierson, David Pyke, Kim Rollins, Bruce Roundy, Eugene W. Schupp, Robin Tausch, David Turner
Reports
The Sagebrush Steppe Treatment Evaluation Project (SageSTEP) is a comprehensive, integrated, long-term study that evaluates the ecological effects of fire and fire surrogate treatments designed to reduce fuel and to restore sagebrush (Artemisia spp.) communities of the Great Basin and surrounding areas. SageSTEP has several features that make it ideal for testing hypotheses from state-and-transition theory: it is long-term, experimental, multisite, and multivariate, and treatments are applied across condition gradients, allowing for potential identification of biotic thresholds. The project will determine the conditions under which sagebrush steppe ecological communities recover on their own following fuel treatment versus the communities crossing …
Shrub Selection For Utah Landscapes, Taun Beddes, Jaydee Gunnell, Heidi Kratsch, Rick Hefelbower
Shrub Selection For Utah Landscapes, Taun Beddes, Jaydee Gunnell, Heidi Kratsch, Rick Hefelbower
CWEL Extension Fact Sheets
Urban and suburban landscapes present special challenges concerning shrub selection in Utah. Due to our distinctive climate, shrubs must be able to withstand intense sunlight, low relative humidity, drying winds, and limited seasonal precipitation. Additionally, landscapes may also have shady locations and areas of high moisture that create unique situations. This means that ideally before purchasing shrubs, a person should research suitable species adapted to the specific location where they will be planted. Even with the unique conditions that challenge shrub species, many still perform well and should be used more often in the landscape. They soften architectural structures, provide …
Temperature Management In High Tunnels, Brent Black, Dan Drost
Temperature Management In High Tunnels, Brent Black, Dan Drost
Plants, Soils, and Climate Faculty Publications
No abstract provided.
Damage Agents And Condition Of Mature Aspen Stands In Montana And Northern Idaho, Brytten E. Steed, Holly S.J. Kearns
Damage Agents And Condition Of Mature Aspen Stands In Montana And Northern Idaho, Brytten E. Steed, Holly S.J. Kearns
Aspen Bibliography
No abstract provided.
Influence Of Prescribed Fire On Ecosystem Biomass, Carbon, And Nitrogen In A Pinyon Juniper Woodland, Benjamin M. Rau, Robin Tausch, Alicia Reiner, Dale W. Johnson, Jeanne C. Chambers, Robert R. Blank, Annmarrie Lucchesi
Influence Of Prescribed Fire On Ecosystem Biomass, Carbon, And Nitrogen In A Pinyon Juniper Woodland, Benjamin M. Rau, Robin Tausch, Alicia Reiner, Dale W. Johnson, Jeanne C. Chambers, Robert R. Blank, Annmarrie Lucchesi
Articles
Increases in pinyon and juniper woodland cover associated with land-use history are suggested to provide offsets for carbon emissions in arid regions. However, the largest pools of carbon in arid landscapes are typically found in soils, and aboveground biomass cannot be considered long-term storage in fire-prone ecosystems. Also, the objectives of carbon storage may conflict with management for other ecosystem services and fuels reduction. Before appropriate decisions can be made it is necessary to understand the interactions between woodland expansion, management treatments, and carbon retention. We quantified effects of prescribed fire as a fuels reduction and ecosystem maintenance treatment on …
First Report Of Two Curtoviruses In Spinach And Common Beet In Arizona, Claudia Nischwitz
First Report Of Two Curtoviruses In Spinach And Common Beet In Arizona, Claudia Nischwitz
All Current Publications
No abstract provided.
Sensitivity Of Wtp Estimates To Definition Of 'Yes': Reinterpreting Expressed Response Intensity, Mimako Kobayashi, Kimberly Rollins, M. D. R. Evans
Sensitivity Of Wtp Estimates To Definition Of 'Yes': Reinterpreting Expressed Response Intensity, Mimako Kobayashi, Kimberly Rollins, M. D. R. Evans
Articles
Willingness to pay (WTP) estimation typically involves some strategy for mapping nondichotomous contingent valuation (CV) responses onto a dichotomous yes/no dependent variable. We propose a new approach to selecting which responses qualify as ‘yes.’ We apply the proposed method to polychotomous CV data for preventative land management programs in the Great Basin. We also estimate WTP using other methods of response recoding found in the literature. By contrasting the results under different approaches, we demonstrate how and why WTP point estimates vary across recoding methods and discuss the comparative advantages of our more generalized recoding approach that is based on …
A Transition-Phase Teleconnection Of The Pacific Quasi-Decadal Oscillation, Shih-Yu (Simon) Wang, R. R. Gillies, L. E. Hipps, J. Jin
A Transition-Phase Teleconnection Of The Pacific Quasi-Decadal Oscillation, Shih-Yu (Simon) Wang, R. R. Gillies, L. E. Hipps, J. Jin
Plants, Soils, and Climate Faculty Publications
The atmospheric circulation patterns associated with the Pacific quasi-decadal oscillation (QDO) are investigated using available observational data from 1948 to 2007. Previous studies indicate that the Pacific QDO is characterized by a distinct lifecycle in the form of sea surface temperature (SST) patterns. In the warm and cool phases of the Pacific QDO, the SST patterns resemble those associated with the El Niño-Southern Oscillation (ENSO). During the warm–cool and cool–warm transitions of the Pacific QDO, recurrent SST patterns are also clearly visible. The rotated empirical orthogonal function analysis on the 10–15 year filtered data shows that the evolutions of SST …
Optimizing The Physical And Nutritional Environment Of Unleached Root-Zones, Curtis B. Adams
Optimizing The Physical And Nutritional Environment Of Unleached Root-Zones, Curtis B. Adams
Publications
Unleached root-zones represent an environmental ideal by eliminating wasteful leaching of nutrients and water. NASA grows plants in space in unleached root-zones, incorporating polymer-coated fertilizer (PCF) into a ceramic media (Turface or Profile). However, lack of growth productivity in space has led to the need for research to improve the nutritional and physical environment of the root-zone, which is the objective of this research. PCF types are diverse in release characteristics and the effects of temperature and substrate water content have not been well characterized. In spite of widespread use, studies on chemical properties and applied studies to verify soil …
Propagation And Growth Of Chokecherry (Prunus Virginaiana) As An Alternative, Water-Wise, Fruit Crop For The Intermountain West, Jeremy R. Crook
Propagation And Growth Of Chokecherry (Prunus Virginaiana) As An Alternative, Water-Wise, Fruit Crop For The Intermountain West, Jeremy R. Crook
Browse All Undergraduate research
Utah fruit growers have shown interest in chokecherry (Prunus virginiana) as an alternative crop that has low requirements for water and soil fertility. Consumers want native fruits like chokecherry that are healthy and taste good. Currently, the limiting factor in developing a chokecherry industry in Utah is the ability to propagate large numbers of plants for orchard establishment. Chokecherries are difficult to propagate by traditional means because of their low rooting percentages. Plant numbers can be increased in tissue culture but methods are lacking for efficiently inducing roots and acclimating tissue culture plantlets. We are also working on other propagation …
Shadetree Insect Pest Management, Diane Alston
Shadetree Insect Pest Management, Diane Alston
Archived Gardening Publications
No abstract provided.
Advanced Master Gardeners Thanksgiving Point, Larry Sagers
Advanced Master Gardeners Thanksgiving Point, Larry Sagers
All Archived Publications
No abstract provided.
Advanced Master Gardeners - Thanksgiving Point, Larry A. Sagers
Advanced Master Gardeners - Thanksgiving Point, Larry A. Sagers
All Archived Publications
No abstract provided.