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Metal response of Douglas-fir: a comparison of foliar metals and phytochelatin production in trees planted in soils amended with biosolids or metal salts
(2013-11-14)
This study was designed to explore the relationship between metals in soil, foliar metal concentrations and phytochelatin (PC) production in Douglas-fir trees planted in soils amended with biosolids or metal salts. Both a greenhouse and field study were conducted to determine whether PC production could be correlated with ...
Evaluation of Northwestern Seattle Parking Strip Soil for Urban Horticulture Land Use and Urban Food Production
(2013-04-17)
With urban agriculture on the rise in many cities, areas for urban agriculture and vegetable gardening practices are being explored. The parking strip, street side right-of-way land, is a proposed area for vegetable gardening in Seattle. In the Northwest corner of Seattle, 141 acres of parking strips have been identified. ...
Canopy soils, litterfall and litter decomposition in a coastal old-growth temperate rainforest, Washington
(2013-11-14)
The canopy of trees has been an unreachable portion for scientific exploration until few decades ago, and the wonders and enigmas that the treetops enclose are increasingly unfolding. This study investigated the canopy environment and its epiphytes on the formation of canopy soil, transfers of biomass and N to the ground and ...