Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Stephanie J, Horton"'
Autor:
Paul A. Buescher, Alice J. Lenihan, Jonathan B. Kotch, J. Timothy Whitmire, Stephanie J. Horton, Sarah J. Roholt, Barbara Devaney
Publikováno v:
Maternal and Child Health Journal. 7:45-52
Objectives: Racial differences in health status and use of health services persist in the United States and are not completely explained by differences in socioeconomic status. This study examines differences in use of health services between White a
Publikováno v:
Plant and Soil. 220:89-98
Increased atmospheric carbon dioxide (CO2) concentration will likely cause changes in plant productivity and composition that might affect soil decomposition processes. The objective of this study was to test to what extent elevated CO2 and N fertili
Publikováno v:
Water, Air, and Soil Pollution. 106:123-136
Increased atmospheric CO2 can affect plant growth, so competition among plants may be influenced. Allelopathy is one mechanism involved in plant competition. Experiments were conducted in a controlled-environment chamber to determine if the concentra
Autor:
Steven R. Shafer, Joseph E. Miller, Michele Schoeneberger, Stephanie J. Horton, Charles B. Davey, Walter A. Pursley
Publikováno v:
Water, Air, and Soil Pollution. 96:233-248
The influence of soilborne symbionts such as rhizobia or mycorrhizal fungi on plant response to ozone (O3) has not been well defined. Leguminous plants in the field are infected by both types of organisms, which influence plant nutrition and growth.
Publikováno v:
Canadian Journal of Forest Research. 26:1715-1723
Acidic rain and ozone (O3) may have serious consequences on the growth and development of loblolly pine (Pinustaeda L.), a tree species of major economic importance in the southeastern United States. In two independent studies, seedlings of open-poll
Autor:
Joseph E. Miller, Stephanie J. Horton, Michele Schoeneberger, Steven R. Shafer, Charles B. Davey
Publikováno v:
Environmental Pollution. 92:55-66
An experiment was conducted to determine the extent to which rhizobia, mycorrhizal fungi, and anions in simulated rain affect plant growth response to acid deposition. Germinating subterranean clover seeds were planted in steam-pasteurized soil in po
Autor:
Paul A, Buescher, Stephanie J, Horton, Barbara L, Devaney, Sarah J, Roholt, Alice J, Lenihan, J Timothy, Whitmire, Jonathan B, Kotch
Publikováno v:
Maternal and child health journal. 7(1)
Racial differences in health status and use of health services persist in the United States and are not completely explained by differences in socioeconomic status. This study examines differences in use of health services between White and African A
Autor:
J. Timothy Whitmire, Stephanie J. Horton, Sarah J. Roholt, Barbara Devaney, Jonathan B. Kotch, Paul A. Buescher, Alice J. Lenihan
Publikováno v:
American journal of public health. 93(1)
Objectives. We used data from birth certificates, Medicaid, and the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) to examine the relationship of child participation in WIC to Medicaid costs and use of health care servi