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2021
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Authors
Ahlersmeyer, A
Alghamdi, R
Anderson, S.H
Andraski, T.W
Below, F
Below, F.E
Berti, M
Blaylock, A
Bly, A
Bu, H
Carley, C
Cesario Pereira Pinto, J
Charbonnier, D
Cihacek, L
Clark, J.D
Clay, D
Currie, M
Dindorf, C
Dutter, C
Foxhoven, S
Franzen, D
Goettl, B
Groebner, B
Haq, M.U
Harm Loman, M
Heard, J
Iqbal, J
Jhala, A
Jones, J.D
Kaiser, D
Khosla, R
Kitchen, N
Kitchen, N.R
Kovacs, P
Laboski, C
Laboski, C.A
Lankau, R.A
Little, R
Luck, J
Maharjan, B
Mallarino, A.P
McDaniel, M
Mieno, T
Morinigo, P
Mueller, N
Nafziger, E
Neels, W
Osterloh, K
Puntel, L
Ransom, C.J
Rawal, A
Ritchey, E
Roa, G
Roberts, T
Ross, J
Ruark, M.D
Ruiz Diaz, D
Rutter, B
Sawyer, J
Schultz, E.C
Schwartz, S
Setchell, B
Sharma, L
Singh, A
Soat, S
St Cyr, M
Steinke, K
Svedin, J.D
Teutsch, C
Thomas, L
Thompson, L
Ulrich-Schad, J
Verhagen, G
Vetsch, J
Veum, K.S
Vyn, T
Wick, A
Topics
State Report
Invited
Graduate Award Student Poster
General
Graduate Award Student Poster/State Poster
State Poster
Type
Oral
Poster
Year
2021
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Year

Filter results4 paper(s) found.

1. Banded Fertility: Music for Higher Corn Yields

There is a need in production agriculture to reduce nutrient loss to the environment and implement more sustainable production practices, but grower adoption has been slow and inconsistent due to fear of reduced yields and profit. However, if new fertilizer technologies can be used to increase nutrient use efficiency and grain yield simultaneously, grower willingness to adapt environmentally sustainable practices is far more likely. We implemented a two-year corn (Zea mays L.) yield ... S. Foxhoven, F. Below

2. High Gypsum Application Rates Impacts on Iowa Soil Properties, Dissolved Phosphorus Loss, and Crop Yield

Gypsum (calcium sulfate) is a common sulfur (S) source for crops and rates in the northcentral region seldom are > 250 lb/acre. It is known that even higher gypsum rates do not raise soil pH. Research in eastern or southeast states showed that in some conditions high gypsum rates can improve other chemical or physical properties and can reduce dissolved phosphorus (P) loss from fields. However, little research has evaluated potential benefits in prairie-developed soils of Iowa and the regi... A.P. Mallarino, M.U. Haq

3. Site-Specific Yield and Protein Response to Nitrogen Rate and Timing in Winter Wheat

Nitrogen (N) fertilizer management is crucial in cereal crop production. Improved prediction of optimal N fertilizer rates for winter wheat can decrease N losses and enhance profits. We tested seven N fertilizer rates (0, 25, 50, 75, 100, 125, and 150 kg N ha-1) applied at three timings (Fall, Spring, and Split Fall/Spring) in seven small plot trials located in commercial fields... J. Cesario pereira pinto, L. Puntel, L. Thompson, N. Mueller

4. Soil Health Indicators help with Fertilizer Application Decisions in South Dakota Corn

Fertilizer inputs are an essential part of corn (Zea mays) cropping systems in the United States.  In South Dakota, phosphorus and potassium yearly inputs are based on  soil test nutrient levels and a yield goal while sulfur is based on soil texture and tillage practices. These 3 plant nutrients have a point called the “critical value” where addition of more of the nutrient as an inorganic fertilizer should no longer result in a yield increase. These fertilizer ... B. Groebner, J. Clark