| http://www.w3.org/ns/prov#value | - Living plants, such as young, evergreen or deciduous trees or bushes, can be stored without loss of viability for several months, and cut flowers can be stored for about a week without apparent loss or freshness when enclosed in a plastic sheet or film envelope which is waterproof, excludes at least 30% of incident visible light and substantially all incident infrared radiation, and is permeable t
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