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Solar-Powered Irrigation System Unveiled At U.S. National Arboretum

Date:
May 11, 2009
Source:
USDA/Agricultural Research Service
Summary:
The U.S. National Arboretum is "going green" with the installation of its first solar-powered drip irrigation system that will save electricity and water at the 446-acre facility operated by the Agricultural Research Service in Washington, DC.

The first solar-powered irrigation system at the U.S. National Arboretum was installed by students from Alfred State College and workshop participants. A model for more energy-efficient landscape gardening, the new system will help cut energy costs and conserve resources.
Credit: Photo courtesy of USDA

The U.S. National Arboretum is "going green" with the installation of its first solar-powered drip irrigation system that will save electricity and water at the 446-acre facility operated by the Agricultural Research Service (ARS) in Washington, DC.

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The new system is part of a long-range plan to update and improve the arboretum grounds. Future plans include installing a larger solar collector near the National Capitol Columns and solar shingles on the Arbor House, which houses the gift shop and visitor restrooms.

Installation of the new system marked the end of a week-long workshop conducted by students and faculty from Alfred State College of the State University of New York. The workshop—attended by arboretum staff, contractors and homeowners—provided hands-on instruction on how to construct and use the system and its many benefits.

Located in Nursery 5, which is used to conduct research aimed at the development of improved trees for landscape use, the new system consists of six solar panels that collect sunlight, a battery that stores the energy, and a converter box that converts the stored energy into electricity used to run the nursery's drip-irrigation system. Because of the nursery's remote location, installing solar panels was less expensive than running an electrical line from the main power source, approximately a half mile away. As a result, the arboretum will see immediate savings on costs.

The latest project is a staff-driven effort to cut energy costs and conserve resources. The new system took less than one year to complete. Arboretum Director Tom Elias first met Alfred State representatives during the U.S. Department of Agriculture's (USDA) Bio Energy Awareness Days (BEAD II) exhibition held at the arboretum last June. The meeting led to a five-year cooperative agreement to develop and install green technologies that will help the arboretum reduce its carbon footprint.

The arboretum's new system serves as a model for more energy-efficient landscape gardening. Solar power can be used in urban and suburban areas and is applicable to all types of power systems. Gardeners can use it to power water features, such as fountains and waterfalls, and irrigation systems.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "Solar-Powered Irrigation System Unveiled At U.S. National Arboretum." ScienceDaily. ScienceDaily, 11 May 2009. <www.sciencedaily.com/releases/2009/05/090502083917.htm>.
USDA/Agricultural Research Service. (2009, May 11). Solar-Powered Irrigation System Unveiled At U.S. National Arboretum. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2009/05/090502083917.htm
USDA/Agricultural Research Service. "Solar-Powered Irrigation System Unveiled At U.S. National Arboretum." ScienceDaily. www.sciencedaily.com/releases/2009/05/090502083917.htm (accessed December 21, 2014).

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