Zobrazeno 1 - 10
of 22
pro vyhledávání: '"David J. Beattie"'
Publikováno v:
HortTechnology. 20:395-401
Plants suitable for extensive green roofs must tolerate extreme rooftop conditions, and the substrates in which they grow must fulfill horticultural and structural requirements. Deeper substrates may retain more water for plants during dry periods, b
Publikováno v:
Transactions of the ASAE. 48:1491-1496
Green roofs on small 1.8 by 2.4 m buildings consisting of a conventional flat roof covering, a root barrier, a 12 mm thick Enka drainage layer, 89 mm of growth medium, 25 mm of porous expanded polypropylene (PEPP), and Sedum spurium planted 76 mm on
Publikováno v:
HortTechnology. 12:509-512
An undergraduate major in Landscape Contracting was established at The Pennsylvania State University in 1989. Since its inception, women have been consistently underrepresented (13%). From department records and a survey instrument, we examined the a
Publikováno v:
Journal of Environmental Horticulture. 17:153-157
Rhododendron and forsythia plants were grown in a soilless medium containing one of four phosphorus treatments: soluble P, slow-release P, or 0.5% or 1% solid-phase alumina-buffered P (Al-P). Soluble phosphorus concentrations in the leachate were hig
Publikováno v:
HortTechnology. 8:203-206
Four rates of two slow-release fertilizers were tested for optimum growth of five hosta cultivars: Hosta sieboldiana `Elegans', Hosta plantaginea `Aphrodite', Hosta `Jade Scepter', Hosta `Hadspen Blue', and Hosta `Francee'. Tissue-cultured hostas fro
Publikováno v:
Journal of the American Society for Horticultural Science. 119:439-445
Two distinct patterns of whole-plant transpiration (WPT) were observed in 'Moonlight' rose ( Rosa hybrida L.) using an automated system that integrated a greenhouse climate computer, a heat-balance sap-flow gauge, an electronic lysimeter, and an infr
Publikováno v:
Acta Horticulturae. :115-121
Publikováno v:
HortTechnology. 2:43-46
Ebb-and-flow irrigation reduced water and fertilizer use by ≈ 40% when compared to overhead hand-watering by hose in the production of Hedera helix. In contrast, water and fertilizer use were not significantly different between ebb-and-flow and dri
Publikováno v:
HortScience. 25:385-388
Videodiscs and inquiry-learning computer courses are well-adapted to the visual world of horticulture. Videodiscs look like compact audio discs, but contain audio and visual images. The visual images can be individual slides or video tape segments. T
Publikováno v:
2005 Tampa, FL July 17-20, 2005.
Green roofs have been shown to reduce the stormwater runoff from buildings. In order to model the reduced stormwater effect of green roofs, reliable estimates of ET from the CAM plants is required. Greenhouse controlled environmental conditions were