Proceedings :: North Central Soil Fertility Conference

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1987

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Authors

Bonczkowski, L.C

Bundy, L.G

Carstens, G

Cavelieri, A.J

Duvick, D.N

Ebelhar, S.A

Gelderman, R

Gerwing, J

Goos, R.J

Grove, J.H

Harms, C.L

Hergert, G.W

Hickman, J.S

Hoeft, P.G

Hoeft, R.G

Jemison, J

Johnson, J.W

Kachanoski, R.G

Keller, K

Kenna, D

Killorn, R

Lamond, R.E

Lowery, B

McClenahan, E.J

Nafziger, E.D

Osborn, M

Paul, L.E

Randall, G.W

Rongen, C

Schaffer, J.A

Schmidt, J.E

Varsa, E.C

Vasey, E.H

Vitosh, M.L

Wagar, T.L

Walter, G

Wells, K.L

Whitney, D.A

Wolkowski, R.P

Topics

Type

Oral

Year

1987

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Year

Filter results4 paper(s) found.
1. Compaction - K Fertility Interactions in Corn Production Soil compaction is recognized as a significant factor affecting yield in crop production today. The pressure to produce crops profitably has often led gruwers to farm greater acreages, with larger equipment under soil conditions which favor compaction. Effects of compaction are not limited to the surface lay- of a soil but often may be apparent cut much of the root zone. With the interest in soil compaction and its effects on crop growth, a research project was initiated to accomplish the fol lo... Download paper
2. Effect of Three Tillage Systems on Soil Bulk Density and Porespace Distribution Many grain producers in Kentucky use a 3 crop in 2 year rotation of corn fol lowed by small grain-soybeans, and commonly no-ti1 1 the soybeans and corn in order to intensively use sloping land for continuous grain production. Because of the intensity of machinery traffic in this system, grtwxs. are concerned that continuw no-till management may cause compaction, and that such fields may need occasional primary tillage. In order to obtain information regarding this situation, we conducted a test ... Download paper
3. Interaction of Potassium Fertilization and Row Width for Soybeans In the past several years the row width of soybeans has decreased substantially. As row width decreases the amount of soil between rows for soybean roots to explore and from which to extract nutrients has decreased. Also many acres in the Midwest have little or no fertilizer added in the soybean year but rely on residual nutrients left from the previous crop. In this study the effect of row width and method of potassium fertilization for soybeans was investigated. ... Download paper
4. Nitrogen Management for no-till Grain Sorghum Field experiments evaluating the effects of nitrogen management for no-till dryland grain sorghum were coacted in 1985 and 1986. Nitrogen rates (0, 50, 100 lbs N/A and placement methods for urea ammonium nitrate solution (UAN) have been evaluated in eastern Kansas. Placement methods have included surface broadcast, surface banded, pressure injected, and knifed. Results to date shm that nitrogen consistently increases yields and tissue and grain N contents, and that method of UAN placement produc... Download paper

Filter results4 paper(s) found.

1. Compaction - K Fertility Interactions in Corn Production

Soil compaction is recognized as a significant factor affecting yield in crop production today. The pressure to produce crops profitably has often led gruwers to farm greater acreages, with larger equipment under soil conditions which favor compaction. Effects of compaction are not limited to the surface lay- of a soil but often may be apparent cut much of the root zone. With the interest in soil compaction and its effects on crop growth, a research project was initiated to accomplish the fol lo...

Download paper

2. Effect of Three Tillage Systems on Soil Bulk Density and Porespace Distribution

Many grain producers in Kentucky use a 3 crop in 2 year rotation of corn fol lowed by small grain-soybeans, and commonly no-ti1 1 the soybeans and corn in order to intensively use sloping land for continuous grain production. Because of the intensity of machinery traffic in this system, grtwxs. are concerned that continuw no-till management may cause compaction, and that such fields may need occasional primary tillage. In order to obtain information regarding this situation, we conducted a test ...

Download paper

3. Interaction of Potassium Fertilization and Row Width for Soybeans

In the past several years the row width of soybeans has decreased substantially. As row width decreases the amount of soil between rows for soybean roots to explore and from which to extract nutrients has decreased. Also many acres in the Midwest have little or no fertilizer added in the soybean year but rely on residual nutrients left from the previous crop. In this study the effect of row width and method of potassium fertilization for soybeans was investigated. ...

Download paper

4. Nitrogen Management for no-till Grain Sorghum

Field experiments evaluating the effects of nitrogen management for no-till dryland grain sorghum were coacted in 1985 and 1986. Nitrogen rates (0, 50, 100 lbs N/A and placement methods for urea ammonium nitrate solution (UAN) have been evaluated in eastern Kansas. Placement methods have included surface broadcast, surface banded, pressure injected, and knifed. Results to date shm that nitrogen consistently increases yields and tissue and grain N contents, and that method of UAN placement produc...

Download paper