Zobrazeno 1 - 10
of 20
pro vyhledávání: '"R P, Harmel"'
Autor:
David M. Barnard, Timothy R. Green, Kyle R. Mankin, Kendall C. DeJonge, Charles C. Rhoades, Stephanie K. Kampf, Jeremy Giovando, Mike J. Wilkins, Adam L. Mahood, Megan G. Sears, Louise H. Comas, Sean M. Gleason, Huihui Zhang, Steven R. Fassnacht, R. Daren Harmel, Jon Altenhofen
Publikováno v:
Agricultural Water Management, Vol 286, Iss , Pp 108377- (2023)
Agricultural production in the western United States relies on water supplies from mountain source-water systems that are sensitive to impacts from wildfire and a changing climate. The resultant challenges to water supply forecasting directly impact
Externí odkaz:
https://doaj.org/article/af350486ce6f4657996fd0c9315e67f2
Autor:
R. Daren Harmel, Peter Kleinman, Austin P. Hopkins, Paul Millhouser, Jim A. Ippolito, Debabrata Sahoo
Publikováno v:
Agricultural & Environmental Letters, Vol 7, Iss 2, Pp n/a-n/a (2022)
Abstract The first compilation of nutrient export coefficients for specific land uses in the United States was completed in 1980. Building off that effort, the “Measured Annual Nutrient loads from AGricultural Environments” (MANAGE) database was
Externí odkaz:
https://doaj.org/article/082a1523dbfb4b2c89aa9e9060b7a9bc
Autor:
R. Daren Harmel, Peter Kleinman, Marlen Eve, James A. Ippolito, Sarah Beebout, Jorge Delgado, Bruce Vandenberg, Mike Buser
Publikováno v:
Agricultural & Environmental Letters, Vol 6, Iss 4, Pp n/a-n/a (2021)
Abstract For agricultural research to seize the potential of data‐driven technologies, profound changes are needed in the full spectrum of data management, highlighted by a shift of researchers, institutions, and agencies toward a culture of data s
Externí odkaz:
https://doaj.org/article/2530344d7bd84a43a46e098fb9beda1b
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
Autor:
Quanxiao Fang, L. Ma, R. D. Harmel, Q. Yu, M. W. Sima, P. N. S. Bartling, R. W. Malone, B. T. Nolan, J. Doherty
Publikováno v:
Agronomy, Vol 9, Iss 5, p 241 (2019)
An important but rarely studied aspect of crop modeling is the uncertainty associated with model calibration and its effect on model prediction. Biomass and grain yield data from a four-year maize experiment (2008−2011) with six irrigation treatmen
Externí odkaz:
https://doaj.org/article/bbcf7b5e6f8442cea1fdebd672e25429
Publikováno v:
Agricultural & Environmental Letters, Vol 1, Iss 1 (2016)
Surface water eutrophication is a pervasive global problem, with P losses from agriculture often identified as a significant contributor. This study was conducted to evaluate the implications of fertilizer source and placement on soluble P (SP) losse
Externí odkaz:
https://doaj.org/article/69705222ae6544578060fb56f069ad73
Autor:
S Spiegal, B T Bestelmeyer, D W Archer, D J Augustine, E H Boughton, R K Boughton, M A Cavigelli, P E Clark, J D Derner, E W Duncan, C J Hapeman, R D Harmel, P Heilman, M A Holly, D R Huggins, K King, P J A Kleinman, M A Liebig, M A Locke, G W McCarty, N Millar, S B Mirsky, T B Moorman, F B Pierson, J R Rigby, G P Robertson, J L Steiner, T C Strickland, H M Swain, B J Wienhold, J D Wulfhorst, M A Yost, C L Walthall
Publikováno v:
Environmental Research Letters, Vol 13, Iss 3, p 034031 (2018)
Sustainable intensification is an emerging model for agriculture designed to reconcile accelerating global demand for agricultural products with long-term environmental stewardship. Defined here as increasing agricultural production while maintaining
Externí odkaz:
https://doaj.org/article/ab2a2a7bf1364e8a8b1771920142b30c
Autor:
Virginia L. Jin, Kenneth N. Potter, Mari-Vaughn V. Johnson, R. Daren Harmel, Jeffrey G. Arnold
Publikováno v:
Applied and Environmental Soil Science, Vol 2015 (2015)
Mid- to long-term impacts of land applying biosolids will depend on application rate, duration, and method; biosolids composition; and site-specific characteristics (e.g., climate, soils). This study evaluates the effects of surface-broadcast biosoli
Externí odkaz:
https://doaj.org/article/aa06214ed34f43d6bfc38eb432e15e90
Autor:
Kevin L. Wagner, Larry A. Redmon, Terry J. Gentry, R. Daren Harmel, Robert Knight, C. Allan Jones, Jamie L. Foster
Publikováno v:
Texas Water Journal, Vol 4, Iss 2 (2013)
Excessive levels of fecal bacteria are the leading cause of water quality impairment in Texas, and livestock with direct access to water bodies are potentially a significant source of these bacteria. To help address this, the effect of providing alte
Externí odkaz:
https://doaj.org/article/72c2033a1e6e43e196a423fcc6340b44
Publikováno v:
Transplantation proceedings. 28(5)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3ba4d30f6f3e0c0a80f9416c7e6ec5a4
https://pubmed.ncbi.nlm.nih.gov/8907944
https://pubmed.ncbi.nlm.nih.gov/8907944