Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Doug R Smith"'
Publikováno v:
Environmental Research Letters, Vol 8, Iss 3, p 035031 (2013)
Nitrification inhibitors have the potential to reduce N _2 O emissions from maize fields, but optimal results may depend on deployment of integrated N fertilizer management systems that increase yields achieved per unit of N _2 O lost. A new micro-en
Externí odkaz:
https://doaj.org/article/fb485ff227714c8aacf290cca219b392
Autor:
R. Daren Harmel, Rehanon Pampell, Terry Gentry, Doug R. Smith, Chad Hajda, Kevin Wagner, Patti K. Smith, Rick L. Haney, Kori D. Higgs
Publikováno v:
International Soil and Water Conservation Research, Vol 6, Iss 2, Pp 153-164 (2018)
As small-scale animal feeding operations work to manage their byproducts and avoid regulation, they need practical, cost-effective methods to reduce environmental impact. One such option is using vegetative treatment areas (VTAs) with perennial grass
Externí odkaz:
https://doaj.org/article/3564c89df4364243b0d3e4be40848d5b
Publikováno v:
Critical Reviews in Environmental Science and Technology. 50:743-768
Drainage of tile-riser inlets allow direct discharge of surface water into tile drainage systems, effectively bypassing soil filtration processes and negatively affecting water quality. Blind inlet...
Autor:
Doug R Smith, L. Wayne Greene, N. Andy Cole, M. S. Brown, Greta Schuster, Christian H Ponce, Julio C B da Silva
Publikováno v:
J Anim Sci
The use of distiller’s grains (DG) in beef cattle finishing diets is a common practice. However, the effects of supplemental fat on performance and nutrient losses of cattle fed diets containing DG are not known. Therefore, we fed 398 crossbred yea
Autor:
Helen P. Jarvie, Mark R. Williams, Merrin L. Macrae, Grant E. Gunn, Roy Brouwer, Pam Joosse, Doug R. Smith, Martha Zwonitzer, Keith Reid, Kevin W. King, Peter J. A. Kleinman
Publikováno v:
Macrae, M, Jarvie, H, Brouwer, R, Gunn, G, Reid, K, Joosse, P, King, K, Kleinman, P, Smith, D, Williams, M & Zwonitzer, M 2021, ' One size does not fit all : Toward regional conservation practice guidance to reduce phosphorus loss risk in the Lake Erie watershed ', Journal of Environmental Quality, vol. 50, no. 3, pp. 529-546 . https://doi.org/10.1002/jeq2.20218
Journal of Environmental Quality, 50(3), 529-546. ASA/CSSA/SSSA
Journal of Environmental Quality, 50(3), 529-546. ASA/CSSA/SSSA
Agricultural phosphorus (P) losses to surface water bodies remain a global eutrophication concern, despite the application of conservation practices on farm fields. Although it is generally agreed upon that the use of multiple conservation practices
Autor:
Kevin Wagner, Terry J. Gentry, R. Daren Harmel, Chad Hajda, Kori D. Higgs, Patti K. Smith, Doug R. Smith, Rehanon Pampell, R.L. Haney
Publikováno v:
International Soil and Water Conservation Research, Vol 6, Iss 2, Pp 153-164 (2018)
As small-scale animal feeding operations work to manage their byproducts and avoid regulation, they need practical, cost-effective methods to reduce environmental impact. One such option is using vegetative treatment areas (VTAs) with perennial grass
Publikováno v:
Korean Journal of Crop Science. 57:89-97
Reduction of greenhouse gas (GHG) emissions from upland crop field as well as paddy field is being required, but little information on GHG emissions according to culti- vation practices in upland field is available. Soil GHG emissions during the grow
Autor:
Pauline Wanjugi, Kevin Wagner, Doug R. Smith, Daren Harmel, Emily C. Martin, Tina Hendon, L. Gregory, Terry J. Gentry
Publikováno v:
Environmental monitoring and assessment. 188(3)
Storm water runoff is increasingly assessed for fecal indicator organisms (e.g., Escherichia coli, E. coli) and its impact on contact recreation. Concurrently, use of autosamplers along with logistic, economic, technical, and personnel barriers is ch
Publikováno v:
Soil Science. 176:227-236
Proper application management is essential to minimize adverse environmental effects and maximize agronomic benefits of land applying poultry litter as a nutrient source and soil amendment. In this study, turkey (Meleagris gallopavo) litter was appli
Autor:
Jaclyn A. Biegel, Sueli Mieko Oba Shinjo, Xiaosong Zhang, Victor E. Velculescu, Yiping He, Stephen T. Keir, Tom Curran, Mitchel S. Berger, Daniela S. Gerhard, Nick Papadopoulos, D. Williams Parsons, Michael D. Taylor, Hai Yan, Adam C. Resnick, Peter C. Burger, Gregory J. Riggins, Giovanni Parmigiani, Darell D. Bigner, Zev A. Binder, Doug R. Smith, Henry S. Friedman, Roger E. McLendon, Scott R. VandenBerg, Jane E. Minturn, Carlos Clara, Alexander R. Judkins, Simina M. Boca, Siân Jones, George I. Jallo, Rachel Karchin, Kenneth W. Kinzler, Chetan Bettegowda, Gary L. Gallia, Meng Li, Yuri Nikolsky, Peter C. Phillips, James Hartigan, Rebecca J. Leary, Phillip B. Storm, Hannah Carter, Suely Kazue Nagahashi Marie, Josue Samayoa, Paul A. Northcott, Bert Vogelstein, B.K. Ahmed Rasheed, Jimmy Lin, Daniel W. Fults
Publikováno v:
Science. 331:435-439
Medulloblastoma (MB) is the most common malignant brain tumor of children. To identify the genetic alterations in this tumor type, we searched for copy number alterations using high-density microarrays and sequenced all known protein-coding genes and