Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Douglas A. Boyer"'
Autor:
Douglas G. Boyer, Ghiath A. Alloush
Publikováno v:
The Scientific World Journal, Vol 1, Pp 809-813 (2001)
The impact on water quality by agricultural activity in karst terrain is an important consideration for resource management within the Appalachian region. Karst areas comprise about 18% of the region’s land area. An estimated one-third of the regio
Externí odkaz:
https://doaj.org/article/f66b271b15a9418fb3ea6eeac1bbcef9
Autor:
Bruce Wang, Lorin Crawford, Douglas M. Boyer, Henry Kirveslahti, Sayan Mukherjee, Tingran Gao, Timothy Sudijono
Publikováno v:
The Annals of Applied Statistics. 15
The recent curation of large-scale databases with 3D surface scans of shapes has motivated the development of tools that better detect global patterns in morphological variation. Studies which focus on identifying differences between shapes have been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36d231fa021a96674d1d1e7de684182c
https://doi.org/10.1214/20-aoas1430
https://doi.org/10.1214/20-aoas1430
Autor:
Jonathan J. Halvorson, Douglas G. Boyer, Harry W. Godwin, Isabel M. Lima, Javier M. Gonzalez, Amir Hass
Publikováno v:
Journal of Environmental Quality. 41:1096-1106
Acid weathered soils often require lime and fertilizer application to overcome nutrient deficiencies and metal toxicity to increase soil productivity. Slow-pyrolysis chicken manure biochars, produced at 350 and 700°C with and without subsequent stea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cdf4ecb90981e097a6ce4a6c51e1edd
https://doi.org/10.2134/jeq2011.0124
https://doi.org/10.2134/jeq2011.0124
Autor:
Ewa Kuczynska, Douglas G. Boyer
Publikováno v:
Foodborne Pathogens and Disease. 7:893-900
Cryptosporidium is a parasitic protozoan of great interest because of its widespread occurrence in surface waters, high degree of infectivity, and difficulty of risk management associated with its presence and control. Information about environmental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1ffc5383516ef6f85859eb45bb35562
https://doi.org/10.1089/fpd.2009.0480
https://doi.org/10.1089/fpd.2009.0480
Autor:
Douglas G. Boyer, James P. S. Neel
Publikováno v:
Agroforestry Systems. 79:89-96
A major limitation to efficient forage-based livestock production in Appalachia is asynchrony of forage availability and quality with nutritional requirements of the grazer. Producers require dependable plant resources and management practices that i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1b50d116502c540bd11e11a1e082f5f
https://doi.org/10.1007/s10457-009-9272-4
https://doi.org/10.1007/s10457-009-9272-4
Publikováno v:
Environmental Geology. 58:1011-1019
A major mode of transmission of Cryptosporidium parvum, a widespread waterborne pathogen, is via contaminated drinking and recreational waters. Oocyst transport to surface water can occur by deposition of manure directly in the water or by wash off i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a14243457074b19a48a55a7356ce007
https://doi.org/10.1007/s00254-008-1580-x
https://doi.org/10.1007/s00254-008-1580-x
Autor:
Douglas G. Boyer
Publikováno v:
Agricultural and Forest Meteorology. 148:1395-1400
The movement of fecal pathogens from land to surface and ground water are of great interest because of the public health implications. Non-structural best management practices that control the timing, volume, and placement of animal manures are commo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb1c5c9bd56afd26c21e7f2463839af9
https://doi.org/10.1016/j.agrformet.2008.04.001
https://doi.org/10.1016/j.agrformet.2008.04.001
Publikováno v:
Soil Science Society of America Journal. 72:626-633
Prior surface application of limestone may influence soil changes resulting from high rates of urine deposition occurring where goats (Capra aegagrus hircus L.) congregate. A quantity of limestone equivalent to 0 and 6720 kg ha -1 was surface applied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc7dac185d386f57b9dc0fceec53520a
https://doi.org/10.2136/sssaj2007.0129
https://doi.org/10.2136/sssaj2007.0129
Publikováno v:
Journal of Sustainable Agriculture. 29:75-86
Increased poultry production in the Appalachian Region provides a readily available nutrient source and a means to improve soil quality. As with any applied source ofnutrients, surface and ground wa ter quality can be compromised if nutrient inputs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9761ac88325f1e3ca8cb806cbf20f108
https://doi.org/10.1300/j064v29n04_07
https://doi.org/10.1300/j064v29n04_07
Autor:
Scott L. Wing, Jonathan I. Bloch, Guy J. Harrington, F. A. Smith, Katherine H. Freeman, Douglas M. Boyer
Publikováno v:
Science. 310:993-996
Rapid global warming of 5° to 10°C during the Paleocene-Eocene Thermal Maximum (PETM) coincided with major turnover in vertebrate faunas, but previous studies have found little floral change. Plant fossils discovered in Wyoming, United States, show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::532960d40a412c5e71f65045d46ad82c
https://doi.org/10.1126/science.1116913
https://doi.org/10.1126/science.1116913