Proceedings :: North Central Soil Fertility Conference

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Van Scoyoc, G.E

Venterea, R

Vonk, J.P

Vetsch, J.A

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Authors

Walker, Z

Yost, M

Russelle, M

Venterea, R

Coulter, J

Mallarino, A

Lauer, J

Vetsch, J.A

Randall, G.W

Sindelar, A.J

Lamb, J.A

Coulter, J.A

Vetsch, J.A

Kovac, P

Van Scoyoc, G.E

Doerge, T.A

Camberato, J.J

Vyn, T.J

Vossenkemper, J.P

Nafziger, E.D

Niekamp, J.W

Vonk, J.P

Vetsch, J.A

Topics

State Report

Type

Oral

Poster

Year

2015

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2020

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Filter results2 paper(s) found.
1. Do Soil Nitrogen Tests Relate to Nitrogen Mineralization in First-year Corn Following Alfalfa? Corn (Zea mays L.) is the most frequent first-year crop grown following alfalfa (Medicago sativa L.) in the Upper Midwest. In the majority of cases, first-year corn does not respond to fertilizer N, but sometimes large amounts are needed to optimize yield. The pre-sidedress and Illinois soil N tests (PSNT and ISNT, respectively) are early-season tests used to predict corn yield response to fertilizer N. These tests measure specific fractions of soil N and define a critical concentration to separate... Download paper
2. Searching for Inputs to Increase Soybean Yield Commodity prices and production costs are both at higher levels than in prior periods, encouraging growers to maximize returns by managing costs and raising yields. We conducted experiments at three Illinois sites in 2012 to evaluate foliar fertilizer, foliar insecticide, lactofen herbicide, seed treatment, foliar fungicide, foliar fungicide + foliar insecticide, cytokinin, , and fertilizer N, alone or in combinations of factors, including some deletion' treatments. Serious drought through the first... Download paper

Filter results2 paper(s) found.

1. Do Soil Nitrogen Tests Relate to Nitrogen Mineralization in First-year Corn Following Alfalfa?

Corn (Zea mays L.) is the most frequent first-year crop grown following alfalfa (Medicago sativa L.) in the Upper Midwest. In the majority of cases, first-year corn does not respond to fertilizer N, but sometimes large amounts are needed to optimize yield. The pre-sidedress and Illinois soil N tests (PSNT and ISNT, respectively) are early-season tests used to predict corn yield response to fertilizer N. These tests measure specific fractions of soil N and define a critical concentration to separate...

Download paper

2. Searching for Inputs to Increase Soybean Yield

Commodity prices and production costs are both at higher levels than in prior periods, encouraging growers to maximize returns by managing costs and raising yields. We conducted experiments at three Illinois sites in 2012 to evaluate foliar fertilizer, foliar insecticide, lactofen herbicide, seed treatment, foliar fungicide, foliar fungicide + foliar insecticide, cytokinin, , and fertilizer N, alone or in combinations of factors, including some deletion' treatments. Serious drought through the first...

Download paper