Proceedings :: North Central Soil Fertility Conference

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O'Halloran, I

Fjell, D

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Authors

Pierzynski, G

Fjell, D

Havlin, J

O'Halloran, I

von Bertoldi, P.A

Cathcart, J

Reid, K

Aspinall, D

Hayes, A

Topics

Type

Oral

Year

1991

1997

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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. Variable Fertilizer Nitrogen Application Based on the Delta Yield Index- A Field Study A quick review of the both the scientific and popular literature indicates that many different approaches have been suggested for the prediction of variable fertilizer N applications in the field. In previous meetings of this conference we have presented the general outline and approach taken for our site-specific crop management project in Ontario. Briefly, historical data sets of grain corn response trials to fertilizer N (encompassing some 300 site-years worth of data) indicated that most yield... 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. Variable Fertilizer Nitrogen Application Based on the Delta Yield Index- A Field Study

A quick review of the both the scientific and popular literature indicates that many different approaches have been suggested for the prediction of variable fertilizer N applications in the field. In previous meetings of this conference we have presented the general outline and approach taken for our site-specific crop management project in Ontario. Briefly, historical data sets of grain corn response trials to fertilizer N (encompassing some 300 site-years worth of data) indicated that most yield...

Download paper