Illinois Fertilizer
Conference Proceedings
January 27-29, 2003
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Field and Laboratory Evaluations of the Illinois
N Test
R.L. Mulvaney, S.A. Khan, R.G. Hoeft, J.J. Warren, and L.C. Gonzini
Illinois N Soil Test: Temporal and Spatial
Variation and Prediction of N Response
R.G. Hoeft, R.L. Mulvaney, S. Khan, E.D. Nafziger, J.J. Warren, L.C. Gonzini,
T.K. Lehman, and A. Gulso
Spatial and Temporal Variability in the Illinois
N Test
C.W. Boast, T.R. Ellsworth, T.J. Smith, R.L. Mulvaney, S.A. Khan, E.M. El-Naggar,
and R.G. Hoeft
Assessing Variability In Corn Response To N
Rate
E.D. Nafziger, R.G. Hoeft, E. Adee, A.H. Anderson, R.E. Dunker, S.A. Ebelhar,
L.E. Paul, and G.A. Raines
The Use of Variable Rate Technology (VRT) and
Yield Mapping for Optimizing Fertilizer Recommendations for Corn and Soybean
S.A. Ebelhar, E.C. Varsa, G.K. Robertson, T.D. Wyciskalla, C.D. Hart,
and J. Hamson
Using Historically Established Yield Variability
for the Improved Prediction of Nitrogen Fertilizer Needs of Corn
E.C. Varsa, S.A. Ebelhar, T.D. Wyciskalla, and C.D. Hart
Relationship Between Soil pH and Soybean and
Corn Yield
T.R. Peck
Impact of Soil Test P and K on Soybean and
Corn Yield
T.R. Peck
Strip Till, N Placement, and Starter Fertilizer
Effects on Corn Growth and Yield
K.S. Guebert, R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, J.J. Warren, E.A.
Adee, L.E. Paul, and R.E. Dunker
Effects of Annual Versus Biennial Phosphorus
and Potassium Applications in a Corn-Soybean Rotation
S.A. Ebelhar, E.C. Varsa, A.H. Anderson, T.D. Wyciskalla, and C.D. Hart
