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1994
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Authors
Andraski, T.W
Blackmer, T.M
Bly, A
Bowley, C
Brown, J.R
Bundy, L.G
Christenson, D.R
Davis, J.G
Ellis, J.R
Gelderman, R
Gerwing, J
Gonzini, L.C
Goos, R.J
Gordon, W.B
Gray, T
Grove, J.H
Hawkins, S
Hnetkovsky, S.W
Hoeft, R.G
James, R.E
Jemison, J.M
Johnson, B.E
Jones, S
Keller, K.E
Killorn, R
Lamb, J.A
Lamond, R.E
Leis, A.K
Maddux, L.D
Malzer, G.L
Martin, V.L
Mengel, D
Mostafa, S.M
Murdock, L.W
Nafziger, E.D
Osborn, M.W
Rehm, G.W
Riedell, W.E
Sawyer, J.E
Schepers, J.S
Schrock, M.D
Shapiro, C.A
Stevens, W.B
Thomas, W.L
Varsa, E.C
Varvel, G.E
Warren, J.J
Wells, B.R
Wetterauer, D
Whitney, D.A
Wolkowski, R.P
Wollenhaupt, N.C
Topics
Type
Oral
Year
1994
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1. Soil Nitrate Test Performance on Medium and High-Yield Potential Soils

Improved N recommendation methods for corn (Zea mays L.) are essential for increased profitability and reduction of potential N losses to the environment. A 4-yr study (49 site-yr) was conducted to evaluate the performance of preplant (PPNT) and pre-sidedress soil nitrate tests (PSNT) for predicting optimum N rates for corn at sites with inorganic and organic N inputs. Soil samples were obtained before planting (PPNT) and when corn was 6 to 12 inches tall (PSNT). and analyzed for nitrate-N. Corn...

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