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Thanks to the following people for contributing to this paper: Professor Margaret Burchett, Faculty of Science, University of Technology, Sydney, Margaret Armstrong, Horticultural Therapy Association of Victoria, Cynthia Carson, Department
The solid waste streams specific to soilless horticulture (substrate slabs, propagation cubes, and plastic films to cover the soil and to wrap the substrate slabs) were determined quantitatively and qualitatively, while methods to reduce these waste streams without yield loss were evaluated in a case study applied to the Flanders region of Belgium and based on an explorative inquiry among horticulturists. Rockwool used for substrate slabs and propagation cubes was found to be by far the most important waste stream. The use of long-lived, polyurethane (PUR) slabs could reduce the total slab waste stream by ≈90%. Moreover, if substrate blocks are used instead of slabs, this reduction could even increase to 95%. The introduction of new cultivation techniques could further reduce the required volume of substrate slabs. Rockwool propagation cubes could be successfully replaced with peat pots that can be composted after 1 year of use. The reuse of plastic films to cover the soil or to wrap the substrate slabs cannot be considered because of the danger of plant diseases. Due to the susceptibility of these films to contamination, they cannot yet be recycled on a large scale. The use of thinner films and the cultivation on profiled concrete floors were found to allow drastic reductions (of up to 80%) of the quantity of plastics used.
Urban horticulture brings together what used to be widely separated: food production and urban space. In a broader sense, urban horticulture encompasses everything from small home and community gardens to city park management, rooftop and wall
Our world is highly dependent on horticultural expertise to provide the technology and people necessary to meet the rapidly increasing global demand for fruits, vegetables, nuts, herbs, and ornamentals in the face of the changing global environment
educators disseminate information, tailoring horticultural information to the local level, and providing quality information by working through land-grant universities ( McAleer, 2005 ). Annually, over 82 million households in the United States participate
Significant numbers of people engage in gardening as a popular pastime ( Dunnett and Qasim, 2000 ; Sommerfield et al., 2010 ) or are employed in the wider horticultural industry (e.g., landscaping). The practice of gardening has been described as a
One of the greatest challenges for consumer horticulture specialists and extension agents is communicating effectively with their broad audiences. Even when narrowed to home and community food gardening, the target audience is immense. In 2008, 31
practitioners must be able to perform safely and competently at the time of licensure or certification” ( Chinn and Hertz, 2010 ). Previous literature on horticultural therapy job analysis has focused on gathering demographic data and exploring relationships
One role of public horticulture institutions, and museums in general, is the education of their visitors and their community. While many gardens offer educational programming for adults and elementary school–aged children, the teenage audience seems
Florida's horticulture is a growing industry that annually brings billions of dollars to the economy in terms of sales [$15.24 billion in 2005 ( Hodges and Haydu, 2007 )]. It also brings benefits such as jobs, taxes paid to local and state