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December 8, 2000

December 8, 2000. Soil Fertility Research and Education Program. Soil Fertility Research and Education Project, 1992-2000. Product Number Avg. Student Degrees (M.S. and Ph.D) 29 3.6 Journal Publications 63 7.9 Books/Book Chapters 7 0.9 Web Sites 7 0.9 Proceedings 16 2.0

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December 8, 2000

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  1. December 8, 2000 Soil Fertility Research and Education Program

  2. Soil Fertility Research and Education Project, 1992-2000 Product Number Avg. Student Degrees (M.S. and Ph.D) 29 3.6 Journal Publications 63 7.9 Books/Book Chapters 7 0.9 Web Sites 7 0.9 Proceedings 16 2.0 Other Publications 22 2.8 Abstracts 120 15 Research Bulletins 15 1.9 Fact Sheets 3 0.4 Field Days 3 0.4

  3. Variable rate spray nozzle Sensor assembly Sensed area (treated area)

  4. Equipment TechnologiesMooresville, IN 46158

  5. Long-Term Soil Fertility Experiments 501, 502, 503, 504, 505 Magruder 222 801, 802, 803, 804 406, 407, 439

  6. Use of EM as a data layer to better predict yield potential

  7. In-Season Estimated Yield (INSEY)Including VIRGINIA Tech Data (7 Locations) from Dr. S.B. Phillips

  8. Hand-Held Sensor Development Department of Biosystems and Agricultural Engineering

  9. VISIT OUR WEBSITES www.dasnr.okstate.edu/precision_ag www.dasnr.okstate.edu/nitrogen_use

  10. COMPLETION DOCUMENTS Journal Publications J1. Johnson, G.V. and D.L. Nofziger. 1992. NPK$PLUS: A computer program to examine agronomic and economic value of alternative fertilizer rates. J. Prod. Agr. 5:415-420. J2. Raun, W. R., H. J. Barreto, and R. L. Westerman. 1993. Use of stability analysis for long-term soil fertility experiments. Agron. J. 85:159-167. J3. Westerman, R.L, R.K. Boman, W.R. Raun and G.V. Johnson. 1994. Ammonium and nitrate nitrogen in soil profiles of long-term winter wheat fertilization experiments. Agron. J. 86:94-99. J4. Boman, R.K., and R.L. Westerman. 1994. Nitrogen and mepiquat chloride effects on the production of nonrank, irrigated, short-season cotton. J. Prod. Agric. 7:70-75. J5. Guertal, E.A., W.R. Raun, R.L. Westerman and R.K. Boman. 1994. Applications of stability analysis for long-term experiments. Agron. J. 86:1016-1019. J6. Sembiring, H., W.R. Raun, G.V. Johnson and R.K. Boman. 1995. Effect of wheat straw inversion on soil water conservation. Soil Sci. 159:81-89.

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