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United States Department of Agriculture

Agricultural Research Service

Related Topics

John McCallum
Soil and Water Conservation Research
Physical Science Technician
john.mccallum@ars.usda.gov
Phone: (541) 278-4424
Fax: (541) 278-4372
48037 TUBBS RANCH RD
ADAMS, OR, 97810


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Economic feasibility of segregating dark northern spring wheat by protein concentration during harvest - (Peer Reviewed Journal)
Long, D.S., Mccallum, J.D., Martin, C.T., Capalbo, S.M. 2016. Economic feasibility of segregating dark northern spring wheat by protein concentration during harvest. Agronomy Journal. 108:1-11.
On-combine, multi-sensor data collection for post-harvest assessment of environmental stress in wheat - (Peer Reviewed Journal)
Long, D.S., Mccallum, J.D. 2015. On-combine, multi-sensor data collection for post-harvest assessment of environmental stress in wheat. Precision Agriculture. doi: 10.1007/s11119-015-9391-z.
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.
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.
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.
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.
Last Modified: 8/27/2016
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