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Dr. T. Scott Murrell
Northcentral Director
1851 Secretariat Dr.
West Lafayette, Indiana 47906

Phone: +1 765.413.3343
FAX: +1 765.807.3117
smurrell@ipni.net
Dr. T. Scott Murrell
Northcentral Director

Education:

Doctor of Philosophy, Soil Science, Texas A&M University 1996
Master of Science, Soil Fertility and Plant Nutrition, Purdue University, 1991
Doctor of Philosophy Student, Near Eastern Languages and Literature, Yale University, 1986-1987
Bachelor of Arts, General History Major, Religious Studies Minor, Purdue University, 1986

Curriculum Vitae:CV-murrell.pdf
Color Photo:Murrell-color.png
Black & White Photo:Murrell-bw.png
Awards & Recognition Professional Service Selected Publications
Gamma Sigma Delta Honorary Society

Golden Key National Honor Society

Phi Kappa Phi Honorary Society

Sigma Xi Scientific Research Society

American Society of Agronomy Educational Materials Award, 2006

International Minerals Corporation Fellowship, 1992-1995

Gary Fitzgerald Scholarship, Texas Plant Food Institute, 1994

J. Fielding Reed Potash and Phosphate Institute Fellowship, 1992

Graduated with Distinction from Purdue University, 1986

Valedictorian, Twin Lakes High School, 1982

Bausch and Lomb Honorary Science Award, 1982
ASA Northcentral Branch, Secretary-Treasurer, 2007-2008 (elected)

ASA Northcentral Branch, President-Elect, 2008-2009 (elected)

ASA Board of Directors, 2006-Present (elected)

ASA Division A9 Board Representative, 2006-Present (elected)

CSSA Editorial Affairs, Policies, & Practices Committee 2003 (appointed)

CSSA Crop Management Editorial Board, 2003 (appointed)

ICCA – Minnesota: Board Member, 2003-Present (appointed)

ICCA – South Dakota: Board Member, 1997-2000 (appointed)

Co-Chair, IPNI Decision Support Systems for Maize Working Group, 2008-present (appointed)

Program Committee Member, Northcentral Extension Industry Conference, 2003-2006 (appointed)

Scientific Reviewer, Wisconsin Fertilizer Research Program, 2001, 2002, 2004, 2006 (appointed)

Committee Member, Minnesota Agricultural Nutrient Task Force, 2005 (appointed)

Scientist, Nitrogen Fertilizer Rapid Assessment Program, Scientific Committee on Problems of the Environment, 2004 (appointed)

Program Committee Member, International Precision Agriculture Conference, 2000, 2002, 2004 (appointed)

Committee Member, Minnesota Crop Production Research Foundation, 2003-4 (appointed)

Program Committee Member, InfoAg Conference, 1999, 2001, 2003 (appointed)

Member, Soil and Plant Analysis Council, 2000-3 (appointed)

Agronomy Society of America Division A9 Annual Meeting Program Committee, 2002 (appointed)

American Chemical Society 1994-1996

Texas Society for Electron Microscopy 1994-1996
Peer-Reviewed Publications

Chusuei, C.C., T.S. Murrell, J.S. Corneille, M.G. Nooney, S.M. Vesecky, L.R. Hossner, and D.W. Goodman. 1999. Liquid reaction apparatus for surface analysis. Rev. Sci. Instum. 70(5):2462-2464.

Murrell, T.S. 2008. Measuring nutrient removal, calculating nutrient budgets. p. 159-182. In S. Logsdon et al. (ed.) Soil science: Step-by-step field analysis. ASA, Madison, WI.

Murrell, T.S. 2004. Using advanced technologies to refine nitrogen management at the farm scale: A case study from the U.S. Midwest. p. 155-165. In A.R. Mosier, K. Syers, and J.R. Freney (eds.) Agriculture and the nitrogen cycle: Assessing the impacts of fertilizer use on food production and the environment. SCOPE 65. Island Press, Washington, D.C.

Murrell, T.S., M.G. Nooney, L.R. Hossner, D.W. Goodman. 1996. Growth kinetics of phosphate films on metal oxide surfaces. p. 71-86. In G. Jerkiewicz, M. P. Soriaga, K. Uosaki, and A. Wieckowski (ed.) Solid-liquid electrochemical interfaces. ACS Symp. Ser. 656. American Chemical Society, Washington, DC.

Murrell, T.S., Q.B. Rund, and H.F. Reetz, Jr. 2007. Gleaning more information from yield data. p. 121-140. In Pierce, F.J. (ed.) GIS applications in agriculture. CRC Press, Boca Raton, FL.

Nooney, M.G., A. Campbell, T.S. Murrell, X.-F. Lin, L.R. Hossner, C.C. Chusuei, and D.W. Goodman. 1998. Nucleation and growth or phosphate on metal oxide thin films. Langmuir 14(10):2750-2755.

Nooney, M.G., T. S. Murrell, J. S. Corneille, E. I. Rusert, L. R. Hossner, and D. W. Goodman. 1996. A spectroscopic investigation of phosphate adsorption onto iron oxides. J. Vac. Sci. Tech. A 14(3):1357-1361.

Palm, C., P. Machado, T. Mahmood, J. Melillo, T.S. Murrell, J. Nymangara, M. Scholes, E. Sisworo, J. Olesen, J. Pender, J. Stewart, and J. Galloway. 2004. Societal responses to meeting nitrogen input needs. p. 71-89. In A.R. Mosier, K. Syers, and J.R. Freney (eds.) Agriculture and the nitrogen cycle: Assessing the impacts of fertilizer use on food production and the environment. SCOPE 65. Island Press, Washington, D.C.



Conference Proceedings

Fixen, P.E. and T.S. Murrell. 2002. Soil test summary and nutrient trends. In R. Minks (ed.) Proc. Annual Soils, Fertilizer and Agricultural Pesticides Short Course and Equipment Exposition, 52nd, Minneapolis, MN. 10-12 Dec. 2002. Minnesota Crop Production Retailers, St. Paul, MN.

Murrell, T.S. 2007. The importance of phosphorus placement. Proc. Crop Production Conf., Columbus, OH. 4 Jan. 2007. Ohio Agribusiness Association.

Murrell, T.S. 2005. High-precision guidance systems: Will they change nutrient management practices? In R. Minks (ed.) Proc. Annual Soils, Fertilizer and Agricultural Pesticides Short Course and Equipment Exposition, 55th. Minneapolis, MN. 7-8 Dec. 2005.

Murrell, T.S. 2005. Phosphorus and potassium placement in the Midwest: Possibilities with automatic guidance technology. In Proc. North Central Ext. Industry Conf., Des Moines, IA. 16-17 Nov. 2005. Potash & Phosphate Institute, Brookings, SD.

Murrell, T.S. 2005. Placement and timing issues for P & K in the eastern Corn Belt. In Proc. Indiana CCA Conf., Indianapolis, IN. 13-14 Dec. 2005.

Murrell, T.S. 2003. Analyzing site-specific soil test data to help farmers make management decisions [Online]. Proc. 2003 Wisconsin Fert., Aglime, & Pest Management Conf., Madison, WI. Available at http://www.soils.wisc.edu/extension/publications/wfapm.htm (verified 10 Jan. 2004).

Murrell, T.S. 2001. Returns from P and K inputs [Online]. Proc. 2001 Wisconsin Fert., Aglime, & Pest Management Conf., Madison, WI. Available at http://www.soils.wisc.edu/extension/publications/wfapm.htm (verified 10 Jan. 2004).

Murrell, T.S. 2000. Precision agriculture: What have we learned so far? In R. Minks (ed.) Proc. Annual Soils, Fertilizer and Agricultural Pesticides Short Course and Equipment Exposition, 50th, Minneapolis, MN. 12-14 Dec. 2000. Minnesota Crop Production Retailers, St. Paul, MN.

Murrell, T.S. 2000. Selling nutrient inputs in today's market [Online]. Proc. 2000 Wisconsin Fert., Aglime, & Pest Management Conf., Madison, WI. Available at http://www.soils.wisc.edu/extension/publications/wfapm.htm (verified 10 Jan. 2004).

Murrell, T.S. 1999. Managing Nutrients for Optimum Crop Yield. Eastern Canada Nutrient Management Workshop, Guelph, Ontario, Canada. 14 July. 1999. Canadian Fertilizer Institute, Ottawa, Ontario, Canada.

Murrell, T.S. 1999. Selling nutrient inputs in today's market. Proc. Soils, Fert., and Agric. Pesticides Short Course and Equip. Expo., 49th, Minneapolis, MN. 7-9 Dec. 1999. Potash & Phosphate Institute, Norcross, GA.

Murrell, T.S. 1998. P and K fertilizer economics. Soils, Fertilizer, and Agricultural Pesticides Short Course and Exposition, Minneapolis, MN, 1998, 14 Dec.-15 Dec. 1998.

Murrell, T.S. 1998. Understanding Fertilizer Economics. In Proceedings of the 1999 Wisconsin Fertilizer, Aglime & Pest Management Conference, Madison, WI, January 19-21. University of Wisconsin, Madison, WI.

Murrell, T.S. and P.E. Fixen. 2004. Why more Midwest K problems in 2003? [Online]. Proc. 2004 Wisconsin Fert., Aglime, & Pest Management Conf., Madison, WI. Available at http://www.soils.wisc.edu/extension/publications/wfapm.htm (verified 20 Jan. 2004).

Murrell, T.S. and D. Frieberg. 1998. Major program profitability trends and findings, 1997. Proc. Iowa Soybean Association’s Producer Profitability Conference, Ames, Iowa, 1998.

Murrell, T.S. and L.J. Murrell. 2004. Nitrogen recommendations based on local databases. Proc. Indiana CCA Conf., Indianapolis, IN. 14-15 Dec. 2004.

Murrell, T.S., H.F. Reetz, Jr., and Q.B. Rund. 2004. Mapping nutrient budgets within fields [Online]. Proc. ESRI Int. User Conf., 24th, San Diego, CA. 9-13 Aug. 2004. Available at http://gis.esri.com/library/userconf/proc04/docs/pap1368.pdf (verified 22 Jul. 2008).

Murrell, T.S., H.F. Reetz, Jr., and Q.B. Rund. 2003. Using the internet as a dealer information source [Online]. Proc. 2003 Wisconsin Fert., Aglime, & Pest Management Conf., Madison, WI. Available at http://www.soils.wisc.edu/extension/publications/wfapm.htm (verified 10 Jan. 2004).

Murrell, T.S., H.F. Reetz, Jr., Q.B. Rund, and L.J. Murrell. 2003. Using site-specific soil test results to check management practices. Proc. 2003 Southern Plant. Nutr. Conf., Olive Branch, MS. 7-8 Oct. 2003. Univ. of Kentucky, Lexington.

Murrell, T.S. and Q.B. Rund. Using ArcGIS for yield data analysis [Online]. Proc. ESRI Int. User Conf., 23rd, San Diego, CA. 7-11 Jul. 2003. Available at http://gis.esri.com/library/userconf/proc03/p0897.pdf (verified 22 Jul. 2008).

Murrell, T.S. and R. Vanden Heuvel. 2000. Principles of fertilizer economics: Small grain example. Proc. Great Plains Soil Fertility Conf., Denver, CO. 7-8 March 2000. Potash & Phosphate Institute, Norcross, GA.

Reetz, H., Q. Rund, and S. Murrell. 2004. GIS in nutrient management: A 21st century paradigm shift. Proc. ESRI Int. User Conf., 24th, San Diego, CA. 9-13 Aug. 2004. Available at www.esri.com (verified 31 May 2005).

Rund, Q., H. Reetz, and S. Murrell. 2004. ArcGIS for certified crop advisers (CCAs): A training program. Proc. ESRI Int. User Conf., 24th, San Diego, CA. 9-13 Aug. 2004. Available at www.esri.com (verified 31 May 2005).



Decision Support Tools

Murrell, T.S. 2009. Excel calculator: Estimating yield loss from nutrient rate reductions [online]. Available at http://www.ipni.net/toolbox (verified 11 Mar. 2009).

Murrell, T.S., N. Baxley, and Q.B. Rund. 2009. Nutrient uptake and removal database (NURD) [online]. Available at http://ipni.net/toolbox (verified 11 Mar. 2009).

Murrell, T.S. and K.J. Moore. 2001. Planning and analyzing on-farm experiments with Microsoft Excel 2000: single year, single location [online]. Available at http://www.ipni.net/toolbox (verified 11 Mar. 2009).

Murrell, T.S., H.F. Reetz Jr., L.J. Murrell, and Q.B. Rund. Finding trends in soil test data [online]. Available at http://www.ipni.net/toolbox (verified 11 Mar. 2009).

Murrell, T.S. and Q.B. Rund. 2003. PKalc: Nutrient budget estimator [online]. Available at http://www.ipni.net/toolbox (verified 11 Mar. 2009).



Extension Publications

Bly, A., R.H. Gelderman, J. Gerwing, and T.S. Murrell. 2002. Symptoms associated with potassium deficiency in corn. Better Crops 86(3):12-15. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Bruulsema, T.W. and T.S. Murrell. 2008. Corn fertilizer decisions in a high-priced market. Better Crops 92(3):16-18. Available online at http://www.ipni.net/bettercrops (verified 12 Mar. 2009).

Bruulsema, T.W. and T.S. Murrell. 2006. Nutrient placement in reduced tillage systems: Considerations [Online]. Available at http://www.ppi-far.org/ppiweb/ppibase.nsf/$webindex/article=F7CCCBEF852571B2004328E08C54B69E (verified 9 Mar. 2007).

Johnson, J.W., T.S. Murrell, and H.F. Reetz, Jr. 1997. Balanced fertility management: A key to nutrient use efficiency. Better Crops 81(2):3-5. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Kastens, T.L., H. Nivens, W.M. Stewart, and T.S. Murrell. 1998. Profitability surveys: Evaluating management factors. Better Crops 82:8-10. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Mallarino, A.P., M.U. Haq, and T.S. Murrell. 2005. Early season foliar fertilization of soybeans. Better Crops 89(3):11-13. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Mallarino, A.P. and T.S. Murrell. 2004. Detecting phosphorus with plasma emission spectroscopy may require unique field calibration data. Better Crops 88(2):12-15. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Mallarino, A.P. and T.S. Murrell. 1998. No-till corn grain yield responses to band applications of potassium. Better Crops 82:4-6. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Malzer, G.L., D.J. Mulla, and T.S. Murrell. 1999. Getting specific with site-specific nutrient management. Site Specific Management Guidelines SSMG-23. Available at http://www.ppi-ppic.org/ssmg (verified 4 Dec. 2006).

Murrell, T.S. 2009. Chances of losing yield from fertilizer rate reductions. International Plant Nutrition Institute, Norcross, GA. Available at http://www.ipni.net/fertilizer2009 (verified 12 Mar. 2009).

Murrell, T.S. 2008. 2007 corn and soybean harvest in the Northcentral region. Plant Nutr. Today. Spring 2008, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2008. A soil fertility assessment checklist for Winter. Plant Nutr. Today. Winter 2008, No. 4. International Plant Nutrition Institute, Norcross, GA. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2008. Average nutrient removal rates for crops in the Northcentral region. Plant Nutr. Today. Fall 2008, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2008. Keep a log of soil acidity. Plant Nutr. Today. Summer 2008, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2006. 2005 corn and soybean nutrient harvest in the Northcentral region. Agri-Briefs, Summer 2006, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2007. Biofuels’ potential impact on nutrient use in the U.S. Plant Nutr. Today. Summer 2007, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2007. Starter fertilizer: Considerations for corn following corn. Plant Nutr. Today. Winter 2007, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S. 2007. The 2006 corn and soybean harvest in the Northcentral region. Plant Nutr. Today. Spring 2007. International Plant Nutrition Institute, Norcross, GA.

Murrell, T.S. 2007. The delta yield concept: An update. Better Crops 91(3):20-21. Available online at http://www.ipni.net/bettercrops (verified 13 Mar. 2009).

Murrell, T.S. 2006. Coordinate for success. Agri-Briefs, Fall 2006, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2006. Fertilizer nitrogen BMPs for corn in the Northcentral region. Better Crops 90(2):16-18. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 2006. Northcentral soil test summary: Changes in phosphorus and potassium. Better Crops 90(1):14-15.

Murrell, T.S. 2006. Rooting for starter fertilizer. Agri-Briefs, Spring 2006, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2006. The highs and lows of soil test potassium variability. Agri-Briefs, Winter 2006-7, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2005. Average nutrient removal rates for crops in the Northcentral region. International Plant Nutrition Institute. Available online at http://www.ipni.net/northcentral/nutrientremoval (verified 12 Mar. 2009).

Murrell, T.S. 2005. High fertilizer prices: What do I do? Agri-Briefs, Winter 2005-6, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2005. High fertilizer prices: What do I do? News & Views Sep. 2005. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2005. Northcentral phosphorus and potassium research funded by the foundation for agronomic research (FAR). News & Views Jul. 2005. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2005. Phosphorus and potassium best management practices for soybeans. Agri-Briefs, Fall 2005, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2005. Record yields mean record nutrient removal in corn-soybean rotations. Agri-Briefs, Spring 2005, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2005. Remember 2004 as 2005 crop management plans are finalized. News & Views Mar. 2005. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2005. When scouting for rust, keep an eye on nutrients, too. Agri-Briefs, Summer 2005, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2004. Early growth of corn – is it important? Agri-Briefs, Summer 2004, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2004. Getting more from soil test data. Agri-Briefs, Winter 2004-5, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2004. How important is fertilization when soils test “medium”? [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. 2004. Northcentral phosphorus and potassium research funded by the foundation for agronomic research (FAR). News & Views Oct. 2004. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2004. Potassium deficiency: Listening to your ears of corn. Agri-Briefs, Fall 2004, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2004. The growing potassium problem. Agri-Briefs, Spring 2004, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2003. Agriculture’s balancing act. Better Crops 87(2):9-11. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 2003. Can your local fertilization programs be improved? Agri-Briefs, Fall 2003, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2003. Is your soil fertility program keeping up? Agri-Briefs, Spring 2003, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2003. Managing phosphorus for spring wheat. Agri-Briefs, Winter 2003-4, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2003. Northcentral phosphorus and potassium research funded by the foundation for agronomic research (FAR). News & Views Oct. 2003. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2003. Target phosphorus this fall [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. 2003. Target phosphorus this fall. News & Views Aug. 2003. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2003. What have your phosphorus and potassium soil test levels been doing? Agri-Briefs, Summer 2003, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2002. Early season phosphorus for end-of-season gains in wheat production [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. 2002. Early season phosphorus nutrition is important for wheat. Agri-Briefs, Fall 2002, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2002. Is your corn finding soil phosphorus and potassium? Agri-Briefs, Summer 2002, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2002. Montana study examines nutrient uptake by spring wheat. Agri-Briefs, Winter 2003-4, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2002. Phosphorus placement for sugarbeets. Agri-Briefs, Spring 2002, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2002. Research programs in the Northcentral region. News & Views Aug. 2002. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2001. Keep and eye on potassium. Agri-Briefs, Summer 2001, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2001. Phosphorus and potassium are your business partners. Agri-Briefs, Fall 2001, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2001. Risks associated with fall fertilization decisions [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. 2001. Starter fertilizer for corn. AGri-Briefs, Spring 2001, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2001. Using phosphorus and potassium soil test results. Agri-Briefs, Winter 2001-2, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2000. Are you satisfied with your yields? Agri-Briefs, Winter 2000-1, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2000. Fertilizing for wheat yield and quality. Better Crops 84(2):16-20. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 2000. Higher profit dryland wheat: Get it with fertilization. Agri-Briefs, Spring 1999, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2000. Monitor your crop with plant analysis. Agri-Briefs, Summer 2000, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2000. Research programs in the Northcentral region. News & Views May 2000. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 2000. Risks associated with fall fertilization decisions [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. 2000. Should I fertilize my soil if it tests “medium”? Agri-Briefs, Winter 1999-2000, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 2000. Soil testing reduces risks. Agri-Briefs, Fall 2000, No. 4. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1999. Chloride: Important for balanced nutrition of wheat. Agri-Briefs Spring 1999, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1999. It’s time for a huddle. Agri-Briefs, Fall 1999, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1999. Management Decisions for Low Crop Prices. Agri-Briefs, Winter 1998-99, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1999. Phosphorus, potassium and thinking pay. Agri-Briefs, Summer 1999, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1999. Research programs in the Northentral region. News & Views Jul. 1999. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 1999. Yield and Economic Responses to Phosphorus. Better Crops 83:8-10. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 1998. Answers to commonly asked questions about phosphate fertilizers. Agri-Briefs, Summer 1998, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1998. Broadcast vs. band: how do they compare? Agri-Briefs, Spring 1998, No. 8. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1998. Know your soil test report. Agri-Briefs, Fall 1998, No. 3. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1998. P and K build crop profits – High yields mean high profits. News & Views Jun. 1998. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 1998. Potassium application methods. Better Crops 82:24-27. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 1998. Questions and answers on chloride. Agri-Briefs, Winter 1997-98, No. 5. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1998. Research programs in the Northcentral region. News & Views Jun. 1998. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 1998. Yield and economic responses to potassium. Better Crops 82:16-19. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. 1997. Grain sorghum responds to starter fertilizer. Agri-Briefs, Summer 1997, No. 7. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell. T.S. 1997. Intensive soil sampling: A critical step in tapping your field’s hidden yield potential. Agri-Briefs, Spring 1997, No. 1. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. 1997. Research programs in the Northcentral region. News & Views Aug. 1997. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. 1997. Set the stage for success in 1998 with appropriate fertilization this fall. Agri-Briefs, Fall 1997, No. 1. Available at http://www.ppi-far.org/ppiweb/agbrief.nsf/$webcontents (verified 4 Dec. 2006).

Murrell, T.S. and T.W. Bruulsema. 2008. Principles of allocating funds across nutrients. Better Crops 92(3):3-5. Available at http://www.ipni.net/bettercrops (verified 12 Mar. 2009).

Murrell, T.S. and F.R. Childs. 2000. Redefining corn yield potential. Better Crops 84:33-37. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S., S.P. Conley, and L.J. Murrell. 2007. Be your own soybean doctor. International Plant Nutrition Institute, Norcross, GA.

Murrell, T.S., W.F. Lazarus, and L.G. Bundy. 2001. Evaluating the profitability of starter fertilization for various nitrogen and propane costs: A Wisconsin corn grain example. News & Views Mar. 2001. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Murrell, T.S. and R.D. Munson. 1999. Phosphorus and potassium economics in crop production: Costs (Part 1). Better Crops 83:20-22. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. and R.D. Munson. 1999. Phosphorus and potassium economics in crop production: Net returns (Part 2). Better Crops 83:23-27. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. and R.D. Munson. 1999. Phosphorus and potassium economics in crop production: Putting the pieces together (Part 3). Better Crops 83:28-31. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Murrell, T.S. and C.S. Snyder. 2006. Fall applied nitrogen in the corn belt: Questions and answers for corn [Online]. Available at http://www.ppi-far.org/ppiweb/ppibase.nsf/$webindex/article=F7CCCBEF852571B2004328E08C54B69E (verified 9 Mar. 2007).

Murrell, T.S. and C.S. Snyder. 2005. Best management practices for soybean health and nutrition [Online]. Available at http://www.ppi-ppic.org/fallfertilization (verified 4 Dec. 2006).

Murrell, T.S. and W.M. Stewart. 2007. Key nutrient management decisions when switching from corn/soybean to corn/corn rotations. Plant Nutr. Today. Fall 2007, No. 4. Available at http://www.ipni.net/pnt (verified 11 Mar. 2009).

Murrell, T.S., W.M. Stewart, A. Mallarino, G. Rehm, B. Gordon. 1998. Potassium Fertilization in Conservation Tillage Systems: New Developments. News & Views Apr. 1998. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Randall, G.W., J.A. Vetsch, and T.S. Murrell. 2001. Corn response to phosphorus placement under various tillage practices. Better Crops 85(3):12-15. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Randall, G.W., J.A. Vetsch, and T.S. Murrell. 2001. Soybean response to residual phosphorus for various placements and tillage practices. Better Crops 85(4):12-15. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Reetz, H.F. Jr., S. Brouder, J. Johnson, and T.S. Murrell. 1998. Negligence of potassium in corn/soybean systems: Are you guilty? News and Views. Apr. 1998. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Reetz, H.F. Jr., T.S. Murrell, T.W. Bruulsema. 1999. Maintaining high soil tests. News & Views Jul. 1999. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Reetz, H.F. Jr., T.S. Murrell and L.J. Murrell. 2001. Site-specific nutrient management: Production examples. Better Crops 85(1):12-17. Available at http://www.ppi-ppic.org/bettercrops (verified 4 Dec. 2006).

Snyder, C.S. and T.S. Murrell. 2006. Soybean nutrition and pest management implications [Online]. Available at http://www.ppi-far.org/ppiweb/ppibase.nsf/$webindex/article=F7CCCBEF852571B2004328E08C54B69E (verified 9 Mar. 2007).

Stewart, W.M., A. Johnston, T.S. Murrell, and R.L. Mikkelsen. 2003. Phosphorus nutrition of wheat – Optimize production. News & Views Fall 2003. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).

Stewart, M.W., T.S. Murrell, R. Lamond, and T. Miller. 1999. Is your winter wheat lacking chloride? News and Views Jan. 1999. Available at http://www.ppi-ppic.org/news (verified 4 Dec. 2006).
 
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