Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"sassafras"”.
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The biology of Sassafras albidum (Nutt.) nees in regenerating upland hardwood stands in southwest Virginia following clear felling
… of this study was to describe the biology of Sassafras albidum growing on upland hardwood sites in the Ridge and Valley Physiographic Province of Virginia ln an attempt to better understand how this common understory species becomes a dominant vegetative component following clear-felling. …
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Effect of soil type and location on the protein and oil percentage of soybeans (Glycine max L.)
… and lower oil percentage than when grown on Sassafras or Davison soils. Soybeans grown on Davidson soil were lower in protein percentage than when grown on either Sassafras or Bertie soil. Location affected protein percentage in two out of four years and oil percentage each year. Soybeans …
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Fenuron in the management of white pine
… susceptible to the treatment; whereas, chestnut, sassafras, and black locust were the least susceptible. In the white pine establishment experiment, the residual effect of fenuron on white pine seedlings, and its effectiveness at a lower rate on various hardwoods were lnvestigated. Each hardwood …
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Modeling the impact of gypsy moth defoliation in individual tree mortality and basal area growth of northern hardwoods of central Pennsylvania
… species: white, chestnut, red, and black oak and sassafras.
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New World Drugs in England's Early Empire
… in perceived lucrative new commodities, such as sassafras, sarsaparilla and other medicinal plants. As the supply of American drugs expanded in the English market from the 1650s to the 1680s, medical writers became more engaged in the recommendation of New World medicaments for the treatment of …
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Ecological Impact of Glaze Storm Damage in an Appalachian Oak Forest
… species in both gaps and understory were sassafras, serviceberry and red maple. Disturbance affected both seedling height and density, as did topography. However gap size had effect only on seedling height. The future forest in this area is unlikely to change significantly, as species …
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The Little People of Pea Ridge
… traditional activities as digging ginseng and sassafras roots and hunting and trapping; a traditional chairmaker and several broommakers still practice their crafts, a farm wife makes butter by hand in an old crock churn with a wooden dasher; and one family operates a sorghum mill to make …
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Habitat and host plant effects on the seasonal abundance of Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) among fruit orchards in northern Virginia
… Elaeagnus, Fraxinus, Lonicera, Ailanthus, and Sassafras, were significantly related to H. halys relative densities. Conversely, studies measuring captures in small pyramid traps within the canopy of wild tree hosts revealed no significant differences among hosts at any point in the season, …
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Community composition in relation to substrate, elevation, and topography in the Salt Pond Mountain area in Giles County, Virginia
… sites were most apparent. <i>Quercus prinus, Sassafras albidum</i>, and <i>Vaccinium vacillans</i> are the most important species of tree, sapling-seedling, and shrub on xeric sites, whereas <i>Q. rubra, Acer pensylvanicum</i>, and <i>V. erythrocarpum</i> are the most important species of …
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Population ecology of Pinus pungens in pine-oak forests of southwestern Virginia
… gap-exploiting woody species such as ard <i>Sassafras albidum</i> and <i>Nyssa sylvatica</i> suggests that gap replacement processes would favor these species and not <i>P. pungens</i> Recruitment of <i>P. pungens</i> was not limited by seedfall from serotinous cones or from seed predation by …