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Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management
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| Zeitschriftentitel: | Agronomy Journal |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , , |
| In: | Agronomy Journal, 112, 2020, 5, S. 4332-4343 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. |
|---|---|
| author |
Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. |
| spellingShingle |
Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. Agronomy Journal Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management Agronomy and Crop Science |
| author_sort |
clark, jason d. |
| spelling |
Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. 0002-1962 1435-0645 Wiley Agronomy and Crop Science http://dx.doi.org/10.1002/agj2.20335 <jats:title>Abstract</jats:title><jats:p>Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre‐sidedress nitrate test (PSNT) may improve corn (<jats:italic>Zea mays</jats:italic> L.) N management. Forty‐nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH<jats:sub>4</jats:sub>–N from PMN analysis. Pre‐plant soil samples were obtained for PPNT (0‐ to 30‐, 30‐ to 60‐, 60‐ to 90‐cm depths) and PMN (0‐ to 30‐cm depth) before corn planting and N fertilization. In‐season soil samples were obtained at the V5 corn development stage for PSNT (0‐ to 30‐, 30‐ to 60‐cm depths) at 0 kg N ha<jats:sup>−1</jats:sup> at‐planting rate and for PMN when 0 and 180 kg N ha<jats:sup>−1</jats:sup> was applied at planting. Grain yield, N uptake, and EONR were best predicted when separating soils by texture or sites by annual growing degree‐days and including PMN and initial NH<jats:sub>4</jats:sub>–N with either NO<jats:sub>3</jats:sub>–N test. Using PSNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .30)‐instead of PPNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .19)‐based models normally increased predictability of corn agronomic variables by a mean of 11%. Including PMN and initial NH<jats:sub>4</jats:sub>–N with PPNT or PSNT only marginally improved predictability of grain yield, N uptake, and EONR (<jats:italic>R<jats:sup>2</jats:sup></jats:italic> increase ≤ .33; mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .35). Therefore, including PMN with PPNT or PSNT is not suggested as a tool to improve N fertilizer management in the U.S. Midwest.</jats:p> Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management Agronomy Journal |
| doi_str_mv |
10.1002/agj2.20335 |
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Online |
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| title |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_unstemmed |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_full |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_fullStr |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_full_unstemmed |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_short |
Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_sort |
soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| topic |
Agronomy and Crop Science |
| url |
http://dx.doi.org/10.1002/agj2.20335 |
| publishDate |
2020 |
| physical |
4332-4343 |
| description |
<jats:title>Abstract</jats:title><jats:p>Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre‐sidedress nitrate test (PSNT) may improve corn (<jats:italic>Zea mays</jats:italic> L.) N management. Forty‐nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH<jats:sub>4</jats:sub>–N from PMN analysis. Pre‐plant soil samples were obtained for PPNT (0‐ to 30‐, 30‐ to 60‐, 60‐ to 90‐cm depths) and PMN (0‐ to 30‐cm depth) before corn planting and N fertilization. In‐season soil samples were obtained at the V5 corn development stage for PSNT (0‐ to 30‐, 30‐ to 60‐cm depths) at 0 kg N ha<jats:sup>−1</jats:sup> at‐planting rate and for PMN when 0 and 180 kg N ha<jats:sup>−1</jats:sup> was applied at planting. Grain yield, N uptake, and EONR were best predicted when separating soils by texture or sites by annual growing degree‐days and including PMN and initial NH<jats:sub>4</jats:sub>–N with either NO<jats:sub>3</jats:sub>–N test. Using PSNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .30)‐instead of PPNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .19)‐based models normally increased predictability of corn agronomic variables by a mean of 11%. Including PMN and initial NH<jats:sub>4</jats:sub>–N with PPNT or PSNT only marginally improved predictability of grain yield, N uptake, and EONR (<jats:italic>R<jats:sup>2</jats:sup></jats:italic> increase ≤ .33; mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .35). Therefore, including PMN with PPNT or PSNT is not suggested as a tool to improve N fertilizer management in the U.S. Midwest.</jats:p> |
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| author | Clark, Jason D., Fernández, Fabián G., Veum, Kristen S., Camberato, James J., Carter, Paul R., Ferguson, Richard B., Franzen, David W., Kaiser, Daniel E., Kitchen, Newell R., Laboski, Carrie A. M., Nafziger, Emerson D., Rosen, Carl J., Sawyer, John E., Shanahan, John F. |
| author_facet | Clark, Jason D., Fernández, Fabián G., Veum, Kristen S., Camberato, James J., Carter, Paul R., Ferguson, Richard B., Franzen, David W., Kaiser, Daniel E., Kitchen, Newell R., Laboski, Carrie A. M., Nafziger, Emerson D., Rosen, Carl J., Sawyer, John E., Shanahan, John F., Clark, Jason D., Fernández, Fabián G., Veum, Kristen S., Camberato, James J., Carter, Paul R., Ferguson, Richard B., Franzen, David W., Kaiser, Daniel E., Kitchen, Newell R., Laboski, Carrie A. M., Nafziger, Emerson D., Rosen, Carl J., Sawyer, John E., Shanahan, John F. |
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| description | <jats:title>Abstract</jats:title><jats:p>Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre‐sidedress nitrate test (PSNT) may improve corn (<jats:italic>Zea mays</jats:italic> L.) N management. Forty‐nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH<jats:sub>4</jats:sub>–N from PMN analysis. Pre‐plant soil samples were obtained for PPNT (0‐ to 30‐, 30‐ to 60‐, 60‐ to 90‐cm depths) and PMN (0‐ to 30‐cm depth) before corn planting and N fertilization. In‐season soil samples were obtained at the V5 corn development stage for PSNT (0‐ to 30‐, 30‐ to 60‐cm depths) at 0 kg N ha<jats:sup>−1</jats:sup> at‐planting rate and for PMN when 0 and 180 kg N ha<jats:sup>−1</jats:sup> was applied at planting. Grain yield, N uptake, and EONR were best predicted when separating soils by texture or sites by annual growing degree‐days and including PMN and initial NH<jats:sub>4</jats:sub>–N with either NO<jats:sub>3</jats:sub>–N test. Using PSNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .30)‐instead of PPNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .19)‐based models normally increased predictability of corn agronomic variables by a mean of 11%. Including PMN and initial NH<jats:sub>4</jats:sub>–N with PPNT or PSNT only marginally improved predictability of grain yield, N uptake, and EONR (<jats:italic>R<jats:sup>2</jats:sup></jats:italic> increase ≤ .33; mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .35). Therefore, including PMN with PPNT or PSNT is not suggested as a tool to improve N fertilizer management in the U.S. Midwest.</jats:p> |
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| spelling | Clark, Jason D. Fernández, Fabián G. Veum, Kristen S. Camberato, James J. Carter, Paul R. Ferguson, Richard B. Franzen, David W. Kaiser, Daniel E. Kitchen, Newell R. Laboski, Carrie A. M. Nafziger, Emerson D. Rosen, Carl J. Sawyer, John E. Shanahan, John F. 0002-1962 1435-0645 Wiley Agronomy and Crop Science http://dx.doi.org/10.1002/agj2.20335 <jats:title>Abstract</jats:title><jats:p>Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre‐sidedress nitrate test (PSNT) may improve corn (<jats:italic>Zea mays</jats:italic> L.) N management. Forty‐nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH<jats:sub>4</jats:sub>–N from PMN analysis. Pre‐plant soil samples were obtained for PPNT (0‐ to 30‐, 30‐ to 60‐, 60‐ to 90‐cm depths) and PMN (0‐ to 30‐cm depth) before corn planting and N fertilization. In‐season soil samples were obtained at the V5 corn development stage for PSNT (0‐ to 30‐, 30‐ to 60‐cm depths) at 0 kg N ha<jats:sup>−1</jats:sup> at‐planting rate and for PMN when 0 and 180 kg N ha<jats:sup>−1</jats:sup> was applied at planting. Grain yield, N uptake, and EONR were best predicted when separating soils by texture or sites by annual growing degree‐days and including PMN and initial NH<jats:sub>4</jats:sub>–N with either NO<jats:sub>3</jats:sub>–N test. Using PSNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .30)‐instead of PPNT (mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .19)‐based models normally increased predictability of corn agronomic variables by a mean of 11%. Including PMN and initial NH<jats:sub>4</jats:sub>–N with PPNT or PSNT only marginally improved predictability of grain yield, N uptake, and EONR (<jats:italic>R<jats:sup>2</jats:sup></jats:italic> increase ≤ .33; mean <jats:italic>R<jats:sup>2</jats:sup></jats:italic> = .35). Therefore, including PMN with PPNT or PSNT is not suggested as a tool to improve N fertilizer management in the U.S. Midwest.</jats:p> Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management Agronomy Journal |
| spellingShingle | Clark, Jason D., Fernández, Fabián G., Veum, Kristen S., Camberato, James J., Carter, Paul R., Ferguson, Richard B., Franzen, David W., Kaiser, Daniel E., Kitchen, Newell R., Laboski, Carrie A. M., Nafziger, Emerson D., Rosen, Carl J., Sawyer, John E., Shanahan, John F., Agronomy Journal, Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management, Agronomy and Crop Science |
| title | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_full | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_fullStr | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_full_unstemmed | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_short | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_sort | soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| title_unstemmed | Soil‐nitrogen, potentially mineralizable‐nitrogen, and field condition information marginally improves corn nitrogen management |
| topic | Agronomy and Crop Science |
| url | http://dx.doi.org/10.1002/agj2.20335 |