Proceedings :: North Central Soil Fertility Conference

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Castellano, M

Franzen, D.W

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Authors

Bean, G.M

Kitchen, N.R

Camberato, J.J

Carter, P.R

Ferguson, R.B

Fernandez, F.G

Franzen, D.W

M Laboski, C.A

Nafziger, E.D

Ransom, C.J

Sawyer, J.E

Shanahan, J

Schulz, E

Franzen, D.W

Graham, C

Sharma, L.K

Franzen, D.W

Sharma, L

Bu, H

Franzen, D.W

Swenson, L.J

Franzen, D.W

Peck, T.R

Franzen, D.W

Zollinger, R.K

Franzen, D.W

Hofman, V.L

Cihacek, L.J

Franzen, D.W

McMullen, M.V

Franzen, D.W

Richardson, J.L

Zollinger, R.K

Franzen, D.W

Landgraff, A.J

Giles, J.F

Cattanach, N.R

Reitmeier, L.J

Franzen, D.W

Giles, J.F

Hapka, A.J

Reitmeier, R.J

Cattanach, N.C

Cattanach, A.C

Franzen, D.W

Nanna, T

Franzen, D.W

Nanna, T

Franzen, D.W

Nanna, T

Casey, F

Ralston, D

Staricka, J

Halvorson, M

Hofman, V

Lamb, J

Sims, A

Franzen, D.W

Endres, G

Lukach, J

Ashley, R

McKay, K

Franzen, D.W

Endres, G

Lukach, J

Ashley, R

Franzen, D.W

Sharma, L

Franzen, D.W

Sharma, L

Bu, H

McDaniel, M

Walters, D

Bundy, L

Laboski, C

Scharf, P

Drijber, R

Horwath, W

Sawyer, J

Castellano, M

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Filter results2 paper(s) found.
1. Nitrogen Rate Revisions for Corn in North Dakota Nitrogen rates in North Dakota have been based on a yield-goal or yield-potential formula for over forty years. The currently published formula (Franzen, 2010) is: Recommended N rate = (Yield Potential, bushels per acre) X 1.2 less N credits from previous crops and soil test nitrate to 2 feet in depth. A yield-based strategy was practical when N costs were relatively low and yields in North Dakota were at most 100 bushels per acre. However, due to improved germplasm developed at North Dakota State... Download paper
2. Use Of Corn Height To Improve The Relationship Between Active Optical Sensor Readings And Yield Estimates Pre-season and early in-season loss of N continues to be a problem in corn (Zea mays, L.). One method to improve nitrogen use efficiency is to fertilize based on in-season crop foliage sensors. The objective of this study was to evaluate two different ground-based, active-optical sensors and explore the use of corn height with sensor readings for improved relationship with corn yield. Two different ground-based active-optical sensors (Greenseeker�, Trimble, Sunnydale, CA; and Holland Crop Circle... Download paper

Filter results2 paper(s) found.

1. Nitrogen Rate Revisions for Corn in North Dakota

Nitrogen rates in North Dakota have been based on a yield-goal or yield-potential formula for over forty years. The currently published formula (Franzen, 2010) is: Recommended N rate = (Yield Potential, bushels per acre) X 1.2 less N credits from previous crops and soil test nitrate to 2 feet in depth. A yield-based strategy was practical when N costs were relatively low and yields in North Dakota were at most 100 bushels per acre. However, due to improved germplasm developed at North Dakota State...

Download paper

2. Use Of Corn Height To Improve The Relationship Between Active Optical Sensor Readings And Yield Estimates

Pre-season and early in-season loss of N continues to be a problem in corn (Zea mays, L.). One method to improve nitrogen use efficiency is to fertilize based on in-season crop foliage sensors. The objective of this study was to evaluate two different ground-based, active-optical sensors and explore the use of corn height with sensor readings for improved relationship with corn yield. Two different ground-based active-optical sensors (Greenseeker�, Trimble, Sunnydale, CA; and Holland Crop Circle...

Download paper