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Shawna Loper, Amy L. Shober, Christine Wiese, Geoffrey C. Denny, Craig D. Stanley, and Edward F. Gilman

disturbance of the soil may contribute to environmental degradation and result in poor landscape plant growth. The objective of this study was to determine if the addition of compost with or without the application of shallow tillage or aeration will improve

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Amy L. Shober, Geoffrey C. Denny, and Timothy K. Broschat

fertilization practices, irrigation strategies, alternative landscape plant species (e.g., native ornamentals instead of turfgrass, plants requiring low water input), and structural features (e.g., swales, green roofs, rain gardens). However, the impacts of

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Melinda Knuth, Bridget K. Behe, Charles R. Hall, Patricia T. Huddleston, and R. Thomas Fernandez

perceptions of water use and source with regard to landscape plants. These discoveries can be used to better inform educational and marketing efforts to help sustain the green industry during drought periods. Household water usage in the United States is

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Robert F. Brzuszek, Richard L. Harkess, and Eric Stortz

Do landscape architects deserve a generally bad reputation for not knowing enough about the proper selection, placement, and management of plants in their project designs? There is an ongoing debate within the discipline of landscape architecture as

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Melissa Bravo, Antonio DiTommaso, and David Hayes

, miscellaneous hardwood/hemlock ( Tsuga sp.) communities, and freshwater intertidal mudflats. Each site has a rich history of introduced exotic plant species in the manicured landscape and exotic crops for agricultural and silvicultural purposes. History of

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Youping Sun, Genhua Niu, Andrew K. Koeser, Guihong Bi, Victoria Anderson, Krista Jacobsen, Renee Conneway, Sven Verlinden, Ryan Stewart, and Sarah T. Lovell

, Morgantown (WV)]. Plastic containers were used as a control. Plants can be exposed to stresses such as extreme temperature, mechanical injury, and changes in growing environment when they are transplanted into the landscape. These stresses adversely impact

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Judson S. LeCompte, Amy N. Wright, Charlene M. LeBleu, and J. Raymond Kessler

., 2002 ). Salinity tolerance research conducted on landscape plant species has commonly been conducted using simulated reclaimed wastewater (treated municipal effluent) ( Marcotte et al., 2004 ; Miyamoto et al., 2004 ; Niu et al., 2007 , 2012 ; Wu et

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S. Christopher Marble, Jeff L. Sibley, Charles H. Gilliam, and H. Allen Torbert

fertilizer source for bedding plants at various rates in comparison with commercially available inorganic fertilizers for two commonly used landscape annual bedding species, ‘Quartz Scarlet’ verbena and ‘Celebrity Red’ petunia, in regard to plant growth and

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S. Christopher Marble, Andrew K. Koeser, Gitta Hasing, Drew McClean, and Annette Chandler

; Martin et al., 1987 ). Landscape fabrics are designed to be installed at the time of planting, and proper installation in an existing landscape is very difficult. The use of landscape fabric also requires mulch to be applied over the material for

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L.R. Costello, N.P. Matheny, and J.R. Clark

Since it is unlikely that crop coefficients will be established for landscape plantings, a method to estimate landscape water requirements is proposed. By evaluating three factors that significantly influence water use-species planted, vegetation density, and site microclimate-and assigning numerical values to each, an estimate of a landscape crop coefficient (or landscape coefficient, KL) can be calculated. An estimate of evapotranspirational water loss for landscapes is then the product of the landscape coefficient multiplied by the reference evapotranspiration. This paper presents values for the above three factors and discusses the rationale for each. Examples using the landscape coefficient formula are included, as well as a discussion of special considerations relative to its use.