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Determining biocontainers' carbon footprint
Date:4/28/2014

GRANVILLE, IL Many efforts to reduce the environmental impacts associated with commercial horticulture production have failed to influence the general public. For example, one recent study showed that the use of organic fertilizers offered no significant marketing advantage to producers of floral crops. In contrast to the promotion of organic products, the use of biocontainers (plant material-based, biodegradable pots) as alternatives to conventional plastic containers has been shown to resonate with many consumers.

The authors of a new study say that, despite the positive public perception of biocontainers' environmental benefits as alternatives to petroleum-based plastic pots, the impact of biocontainers on commercial greenhouse sustainability has not been thoroughly evaluated. The researchers offer a first look at the overall sustainability of biocontainers as part of a greenhouse production system. "Our work adopted a grower's perspective and focuses on the environmental impacts of container use during the plant production phase," explained Andrew Koeser, corresponding author of the study published in HortScience (March 2014).

The team's "cradle-to-gate" study compared the secondary impacts that occur during the greenhouse production of plants grown in biocontainers. The life cycle assessment data for the study was obtained from interviews, published literature, propriety data sources, direct metering at the greenhouse facility, and original findings from a series of university greenhouse experiments. The authors noted that their work also offers an initial screening of commercially available biocontainers that could be used in future life cycle assessments that focus on manufacturing inputs and environmental impacts.

A conventional plastic container and nine types of biocontainers (bioplastic, coir, manure, peat, bioplastic sleeve, slotted rice hull, solid rice hull, straw, and wood fiber) were included in the life cycle
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Contact: Michael W. Neff
mwneff@ashs.org
703-836-4606
American Society for Horticultural Science
Source:Eurekalert

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