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United States Department of Agriculture

Agricultural Research Service

Daniel S. Long (Dan)

Center Director & Research Leader


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Agronomic comparison of several brassica species in the U.S. Corn Belt as feedstock for hydrotreated jet fuel - (Abstract Only)
Gesch, R.W., Allen, B.L., Archer, D.W., Banuelos, G.S., Behrman, K.D., Brown, J., Hatfield, J.L., Jabro, J.D., Kiniry, J.R., Long, D.S., Vigil, M.F. 2014. Agronomic comparison of several brassica species in the U.S. Corn Belt as feedstock for hydrotreated jet fuel [abstract]. In: Miller, T., Alexopoulou, E. and Berti, M.T., editors. International Conference in Industrial Crops and 26th Annual Meeting of the Association for the Advancement of Industrial Crops (AAIC). Program and Abstracts. September 13-19, 2014, Athens, Greece.
Soil and water conservation in the Pacific Northwest through no-tillage and intensified crop rotations - (Peer Reviewed Journal)
Williams, J.D., Wuest, S.B., Long, D.S. 2014. Soil and water conservation in the Pacific Northwest through no-tillage and intensified crop rotations. Journal of Soil and Water Conservation. 69(6): 495-504.
Optical-mechanical system for on-combine segregation of wheat by grain protein concentration - (Peer Reviewed Journal)
Long, D.S., Mccallum, J.D., Scharf, P.A. 2013. Optical-mechanical system for on-combine segregation of wheat by grain protein concentration. Agronomy Journal. 105:1529-1535.
Spring wheat production and associated pests in conventional and diversified cropping systems in north central Montana - (Peer Reviewed Journal)
Lenssen, A., Long, D.S., Grey, W.E., Blodgett, S.L., Goosey, H.B. 2013. Spring wheat production and associated pests in conventional and diversified cropping systems in north central Montana. Crop Management. Available: http://works.bepress.com/andrew_lenssen/29.
A web-based calculator for estimating the profit potential of grain segregation by protein concentration Reprint Icon - (Peer Reviewed Journal)
Martin, C.T., Mccallum, J.D., Long, D.S. 2013. A web-based calculator for estimating the profit potential of grain segregation by protein concentration. Agronomy Journal. 105: 721-726.
Development of HRJ fuel from Brassica in rotation with wheat for the Western U.S. - (Abstract Only)
Isbell, T., Long, D.S., Archer, D.W., Lupton, S., Gore, M.A., Jenks, M.A., Tomlinson, T., Steiner, J.J. 2012. Development of HRJ fuel from Brassica in rotation with wheat for the Western U.S. [abstract]. Association for the Advancement of Industrial Crops Conference. p. 29.
Mapping straw yield using on-combine light detection and ranging (LiDAR) - (Peer Reviewed Journal)
Long, D.S., Mccallum, J.D. 2013. Mapping straw yield using on-combine light detection and ranging (LiDAR). International Journal of Remote Sensing. 34: 6127-6134.
In-stream measurement of canola (Brassica napus L.) seed oil concentration using in-line near infrared reflectance spectroscopy - (Peer Reviewed Journal)
Long, D.S., McCallum, J.D., Young, F.L., Lenssen, A. 2012. In-stream measurement of canola (Brassica napus L.) seed oil concentration using in-line near infrared reflectance spectroscopy. Journal of Near Infrared Spectroscopy. 20(3):387-395.
Switchgrass influences soil biogeochemical processes in dryland region of the Pacific Northwest - (Peer Reviewed Journal)
Chatterjee, A., Long, D.S. 2013. Switchgrass influences soil biogeochemical processes in dryland region of the Pacific Northwest. Communications in Soil Science and Plant Analysis. 44:2314-2326.
Effect of planting methods on spring canola (Brassica napus L.) establishment and yield in the low-rainfall region of the Pacific Northwest Reprint Icon - (Peer Reviewed Journal)
Young, F.L., Long, D.S., Alldredge, J.R. 2012. Effect of planting methods on spring canola (Brassica napus L.) establishment and yield in the low-rainfall region of the Pacific Northwest. Crop Management. doi:10.1094/CM-2012-0321-01-RS.
Capture of Plateau Runoff by GPS Guided Drill Seed Operation - (Peer Reviewed Journal)
Williams, J.D., Long, D.S., Wuest, S.B. 2012. Capture of Plateau Runoff by GPS Guided Seed Drill Operation. Journal of Soil and Water Conservation. 66(6):355-361.
Early season remote sensing of wheat nitrogen status using a green scanning laser - (Peer Reviewed Journal)
Eitel, J.U., Vierling, L., Long, D.S., Hunt Jr, E.R. 2011. Early season remote sensing of wheat nitrogen status using a green scanning laser. Agricultural and Forest Meteorology. 151:1338-1345.
Remote Sensing of Chlorophyll Content at Leaf and Canopy Scales using a Visible Band Index - (Peer Reviewed Journal)
Hunt, E.R., Daughtry, C.S., Long, D.S., Eitel, J.U. 2011. Remote sensing of chlorophyll content at leaf and canopy scales using a visible band index. Agronomy Journal. 103:1090-1099.
Simple assessment of needleleaf and broadleaf chlorophyll content using a flatbed color scanner - (Peer Reviewed Journal)
Eitel, J.U., Vierling, L., Long, D.S., Litvak, M., Eitel, K.C. 2011. Simple assessment of needleleaf and broadleaf chlorophyll content using a flatbed color scanner. Canadian Journal of Forest Research. 41:1445-1451.
Intensive crop rotation yield and economic performance in minimum tillage and no-tillage, in northeastern Oregon - (Peer Reviewed Journal)
Williams, J.D., Long, D.S. 2011. Intensive crop rotation yield and economic performance in minimum tillage and no-tillage, in northeastern Oregon. Crop Management. Available: http://plantmanagementnetwork.org/cm/element/sum2.aspx?id=9430
Narrow-width harvester for switchgrass and other bioenergy crops in experimental plots - (Peer Reviewed Journal)
Long, D.S., Scharf, P.A., Pierce, F.J. 2011. Narrow-width harvester for switchgrass and other bioenergy crops in experimental plots. Agronomy Journal. 103:780-785.
Evaluation of methods to determine residual soil nitrate zones across the northern Great Plains of the USA - (Peer Reviewed Journal)
Franzen, D., Long, D.S., Sims, A., Lamb, J., Casey, F., Staricka, J., Halvorson, M., Hofman, V. 2011. Evaluation of methods to determine residual soil nitrate zones across the northern Great Plains of the USA. Precision Agriculture. 12:594-606.
Remote sensing of leaf chlorophyll content at multiple scales using red, green and blue bands - (Proceedings)
Hunt, E.R., Long, D.S., Eitel, J.U., Daughtry, C.S. 2010. Remote sensing of leaf chlorophyll content at multiple scales using red, green and blue bands. In: Proceedings of International Society of Optical Engineering, August 1-5, 2010, San Diego, California. Paper No. 7809-1.
Computing wheat nitrogen requirements from grain yield and protein maps - (Book / Chapter)
Long, D.S., Engel, R.E. 2011. Computing wheat nitrogen requirements from grain yield and protein maps. In: Clay, D.E., Shanahan, J.F., editors. GIS applications in agriculture. Vol 2. Boca Raton, FL: CRC Press. p. 321-335.
Computing wheat nitrogen requirements from grain yield and protein maps - (Book / Chapter)
Long, D.S., Engel, R. 2011. Computing wheat nitrogen requirements from grain yield and protein maps. In: Clay, D.E., Shanahan, J.F., editors. GIS applications in agriculture. 2:321-335.
Nitrogen and Water Stress Impacts Hard Red Spring Wheat (Triticum aestivum) Canopy Reflectance - (Peer Reviewed Journal)
Reece, C.L., Long, D.S., Clay, S.A., Clay, D.E., Beck, D. 2010. Nitrogen and Water Stress Impacts Hard Red Spring Wheat (Triticum aestivum) Canopy Reflectance. Journal of Terrestrial Observation. 2(1):Article 7. Available:http://docs.lib.purdue.edu/jto/vol2/iss1/art7.
Simultaneous measurements of plant structure and chlorophyll content in broadleaf saplings with a terrestrial laser scanner - (Peer Reviewed Journal)
Eitel, J.U., Vierling, L., Long, D.S. 2010. Simultaneous measurements of plant structure and chlorophyll content in broadleaf saplings with a terrestrial laser scanner. Remote Sensing of Environment. 114:2229-2237.
Remote of leaf chlorophyll content at multiple scales using red, green and blue sensing bands - (Abstract Only)
Hunt, E.R., Long, D.S., Eitel, J.U., Daughtry, C.S. 2010. Remote of leaf chlorophyll content at multiple scales using red, green and blue sensing bands [abstract]. Proceedings of SPIE Optics and Photonics. 2010 CDROM.
Active Ground Optical Remote Sensing for Improved Monitoring of Seedling Stress in Nurseries - (Peer Reviewed Journal)
Eitel, J.U., Keefe, R., Long, D.S., Davis, A., Vierling, L. 2010. Active Ground Optical Remote Sensing for Improved Monitoring of Seedling Stress in Nurseries. Sensors. 10(4):2843-2850. Available: http://www.mdpi.com/journal/sensors.
Contour Planting: A Strategy to Reduce Soil Erosion on Steep Slopes - (Proceedings)
Long, D.S., Wuest, S.B., Williams, J.D., Rauwendall, R., Bailey, M.J. 2010. Contour Planting: A Strategy to Reduce Soil Erosion on Steep Slopes. In R. Khosla (ed.) 10th International Conference on Precision Agriculture Abstracts & Proceedings.
On-combine Sensing Technique for Mapping Straw Yield within Wheat Fields - (Proceedings)
Long, D.S., Mccallum, J.D., Huggins, D.R. 2010. On-combine Sensing Technique for Mapping Straw Yield within Wheat Fields. In R. Khosla (ed.) 10th International Conference on Precision Agriculture Abstracts & Proceedings.
Assessing Nitrogen Status of Dryland Wheat Using the Canopy Chlorophyll Content Index - (Peer Reviewed Journal)
Long, D.S., Eitel, J.U., Huggins, D.R. 2009. Assessing Nitrogen Status of Dryland Wheat Using the Canopy Chlorophyll Content Index. Crop Management [Online]. Available: http://www.plantmanagementnetwork.org/cm/element/sum2.aspx?id=8617
Remote sensing chlorophyll content of leaves and canopies using red, green and blue wavebands - (Abstract Only)
Hunt, E.R., Daughtry, C.S., Eitel, J.U., Long, D.S. 2009. Remote sensing chlorophyll content of leaves and canopies using red, green and blue wavebands [abstract]. American Society of Agronomy. 2009 CDROM.
Sensitivity of Ground-Based Remote Sensing Estimates of Wheat Chlorophyll Content to Variation in Soil Reflectance - (Peer Reviewed Journal)
Eitel, J.U., Long, D.S., Gessler, P.E., Hunt, E.R., Brown, D.J. 2009. Sensitivity of Ground-Based Remote Sensing Estimates of Wheat Chlorophyll Content to Variation in Soil Reflectance. Soil Science Society of America Journal. 73:1715-1723
A spectral index to monitor the head-emergence of wheat in semi-arid conditions - (Peer Reviewed Journal)
Pimstein, A., Eitel, J.U., Long, D.S., Mufradi, I., Karnieli, A., Bonfil, D.J. 2009. A spectral index to monitor the head-emergence of wheat in semi-arid conditions. Field Crops Research. 111:218-225.
Nitrogen Mineralization in a Semiarid Silt Loam Soil in the Pacific Northwest - (Abstract Only)
Albrecht, S.L. and D.S. Long. 2008 Nitrogen Mineralization in a Semiarid Silt Loam Soil in the Pacific Northwest. Abstracts. 2008 Annual Meeting. American Society of Agronomy, Oct. 5-9, 2008. ASA, Madison, WI. CR ROM & http://a-c-s.confex.com/crops/2008am/webprogram/start.html
Comparison of Runoff and Soil Erosion from No-Till and Inversion Tillage Production Systems - (Experiment Station)
Wuest, S.B., Williams, J.D., Gollany, H.T., Siemens, M.C., Long, D.S. 2008. Comparison of runoff and soil erosion from no-till and inversion tillage production systems. Columbia Basin Agricultural Research Annual Report.
Comparison of Runoff, Soil Erosion, and Winter Wheat Yields from No-Till and Inversion Tillage Production Systems in Northeastern Oregon - (Peer Reviewed Journal)
Williams, J.D., Gollany, H.T., Siemens, M.C., Wuest, S.B., Long, D.S. 2009. COMPARISON OF RUNOFF, SOIL EROSION, AND WINTER WHEAT YIELDS FROM NO-TILL AND INVERSION TILLAGE PRODUCTION SYSTEMS IN NORTHEASTERN OREGON. Journal of Soil and Water Conservation 64(1):42-53.
Combined Spectral Index to Improve Ground-Based Estimates of Nitrogen Status in Dryland Wheat - (Peer Reviewed Journal)
Eitel, J.U.H., D.S. Long, P.E. Gessler, E.R. Hunt. 2008. Combined Spectral Index to Improve Ground-Based Estimates of Nitrogen Status in Dryland Wheat. Agronomy Journal. 100:1694-1702.
Evaluation of Multispectral Based Radiative Transfer Model Inversion to Estimate Leaf Area Index in Wheat - (Abstract Only)
Eitel, J.U., Long, D.S., Gessler, P.E. 2007. Evaluation of Multispectral Based Radiative Transfer Model Inversion to Estimate Leaf Area Index in Wheat. Agronomy Abstracts.
Measuring Grain Protein Concentration with in-Line Near Infrared Reflectance Spectroscopy - (Peer Reviewed Journal)
Long, D.S., Engel, R.E., and Siemens, M.C. 2008. Measuring Grain Protein Concentration with In-line Near Infrared Reflectance Spectroscopy. Agron.J. 100:247-252.
Using in-Situ Measurements to Evaluate New Rapideye Satellite Series for Prediction of Wheat Nitrogen Status - (Peer Reviewed Journal)
Eitel, J.H., Long, D.S., Gessler, P.E., Smith, A.S. 2007. Using in-situ measurements to evaluate new rapideye satellite series for prediction of wheat nitrogen status. International Journal of Remote Sensing. Vol. 28, No. 18:4183-4190.
Precision Farming for Nitrogen Management - (Book / Chapter)
Long, D.S., Pierce, F.J. 2010. PRECISION FARMING FOR NITROGEN MANAGEMENT. Soil and Water Conservation Society. pp 184-205.
On-Combine Sensing of Grain Protein Concentration in Soft White Winter Wheat - (Experiment Station)
Long, D.S., Baker, A.A. 2006. On-combine sensing of grain protein concentration in soft white winter wheat. Dryland Agricultural Research Annual Report. Oregon Agric. Exp. Sta. Special Report 1068.
Yield Comparison and Economic Analysis of Conventional and Direct-Seed Cropping Systems at Pendleton - (Experiment Station)
Petrie, S., Albrecht, S.L., Long, D.S. 2006. Yield comparison and economic analysis of conventional and direct-seed cropping systems at Pendleton. Dryland Agricultural Research Annual Report. Oregon Agric. Exp. Sta. Special Report 1068.
Grain Protein As a Post-Harvest Index of Nitrogen Status for Winter Wheat in the Northern Great Plains - (Peer Reviewed Journal)
Engel, R.E., Long, D.S., Carlson, G.R. 2006. Grain protein as a post-harvest index of nitrogen status for winter wheat in the northern Great Plains. Canadian Journal of Crop Science 86(2):425-431.
Economic Analysis of a Direct Seed Cropping System in the Pacific Northwest - (Abstract Only)
Petrie, S., Albrecht, S.L., Long, D.S. 2005. Economic analysis of a direct seed cropping system in the pacific northwest. Agronomy Abstracts. American Society of Agronomy. Madison, WI. CDROM.
Winter Wheat Responses to Nitrogen Fertilization in a Direct-Seed, Summer-Fallow Management System - (Abstract Only)
Albrecht, S.L., Long, D.S. 2005. Winter wheat responses to nitrogen fertilization in a direct-seed, summer-fallow management system. Agronomy Abstracts. Agronomy Society of America. CD ROM.
Evaluating Variability of Soil Water in Hummocky Glaciated Landscapes of Northern Montana - (Abstract Only)
Long, D.S., Kozar, B.J., Wraith, J.R. 2005. Evaluating variability of soil water in hummocky glaciated landscapes of northern Montana. Agronomy Abstracts. American Society of Agronomy. Madison, WI. CDROM
Improving Wheat Quality Consistency by Density Segregation - (Proceedings)
Siemens, M.C., and Long, D.S. 2005. Improving wheat quality consistency by density segregation. ASAE paper No. 05-1028, 1p. St. Joseph, Mich.: ASAE.
Winter Wheat Responses to Nitrogen Fertilization in a Direct-Seed, Summer-Fallow Management System - (Experiment Station)
Albrecht, S.L., Skirvin, K.W., Long, D.S. 2005. Winter wheat responses to nitrogen fertilization in a direct-seed, summer-fallow management system. pp. 87-91. In 2005 Dryland Agricultural Research Annual Report. D.A. Long, S.E. Petrie, and P.M. Frank, eds. SR 1061. Corvallis, OR: Oregon State University Agric. Exp. Station in cooperation with USDA-ARS, Pendleton, OR.
On-Combine Sensing and Mapping of Wheat Protein Concentration - (Peer Reviewed Journal)
Long, D.S., Engel, R.E., Carpenter, F.M. 2005. On-combine sensing and mapping of wheat protein concentration. Crop Management [on-line]. Available: http://www.plantmanagementnetwork.org/cm/element/cmsum2.asp?id=4841.
Spatially Characterizing Apparent Electrical Conductivity and Water Content of Surface Soils with Time Domain Reflectometry - (Peer Reviewed Journal)
Wraith, J.M., Robinson, D.A., Jones, S.B., Long, D.S. 2005. Spatially characterizing apparent electrical conductivity and water content of surface soils with time domain reflectometry. Computers and Electronics in Agriculture.
Can New Optical Sensors Help Growers Better Manage Wheat and Enhance Grain Value? - (Popular Publication)
Long, D.S. 2004. Can new optical sensors help growers better manage wheat and enhance grain value? Oregon Wheat.
Predicting in-Season Nitrogen Status of Hard Red Spring Wheat Using Multispectral Satellite Imagery - (Abstract Only)
Long, D.S., Westcott, M.P., Whitmus, J.D. 2004. Predicting in-season nitrogen status of hard red spring wheat using multispectral satellite imagery. Agronomy Abstracts.
Using Stable Isotopes and Crop Reflectance to Characterize Water and Nitrogen Stress in Hard Red Winter Wheat - (Abstract Only)
Reese, C.L., Clay, D.E., Beck, D., Long, D.S. 2004. Using stable isotopes and crop reflectance to characterize water and nitrogen stress in hard red winter wheat. Agronomy Abstracts.
On-Combine Sensing of Grain Protein Concentration - (Abstract Only) - (28-Jul-04)
Last Modified: 4/25/2014