Proceedings :: North Central Soil Fertility Conference

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Raun, W.R

Pierzynski, G

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Authors

Pierzynski, G

Fjell, D

Havlin, J

Hodgen, P.J

Raun, W.R

Johnson, G.V

Teal, R.K

Freeman, K.W

Martin, K.L

Shanahan, J.F

Schepers, J.S

Topics

Type

Oral

Year

1991

2003

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Filter results2 paper(s) found.
1. Starter N and P Effects on Early Maturing Corn Planted Early Short-season corn planted early is a water-use management option being investigated in the central plains states. This study was conducted in an attempt to determine optimum starter N and P fertilizer rates and to compare subsurface banded versus surface applications of P for short-season corn planted early. Each location had a 3x3 factorial arrangement of N and P (0, 20 and 40 lbs N or P205/acre) placed 2 inches below and beside the seed as well as one or both application methods of surface broadcast... Download paper
2. Relationship Between Response Indices Measured In-Season and at Harvest in Winter Wheat Current methods for making nitrogen recommendations in winter wheat (Triticum aestivurn L.) do not adjust for in-season temporal variability of plant available non-fertilizer nitrogen (N) sources. The purpose of this study was to compare the use of different nitrogen response indices determined in-season @INDVI and RIPLANTHEIGkm) to the nitrogen response index measured at harvest (RIHARvEST). In addition, this study evaluated the use of the in-season response indices for determining topdress nitrogen... Download paper

Filter results2 paper(s) found.

1. Starter N and P Effects on Early Maturing Corn Planted Early

Short-season corn planted early is a water-use management option being investigated in the central plains states. This study was conducted in an attempt to determine optimum starter N and P fertilizer rates and to compare subsurface banded versus surface applications of P for short-season corn planted early. Each location had a 3x3 factorial arrangement of N and P (0, 20 and 40 lbs N or P205/acre) placed 2 inches below and beside the seed as well as one or both application methods of surface broadcast...

Download paper

2. Relationship Between Response Indices Measured In-Season and at Harvest in Winter Wheat

Current methods for making nitrogen recommendations in winter wheat (Triticum aestivurn L.) do not adjust for in-season temporal variability of plant available non-fertilizer nitrogen (N) sources. The purpose of this study was to compare the use of different nitrogen response indices determined in-season @INDVI and RIPLANTHEIGkm) to the nitrogen response index measured at harvest (RIHARvEST). In addition, this study evaluated the use of the in-season response indices for determining topdress nitrogen...

Download paper