
NCERA103: Specialized Soil Amendments and Products, Growth Stimulants and Soil Fertility Management Programs
(Multistate Research Coordinating Committee and Information Exchange Group)
Status: Active
SAES-422 Reports
01/11/2023
The NCERA-103 publication ‘Nitrogen Extenders and Additives’ in 2017 was reviewed and republished with a 2022 date. All state representatives collaborated in this publication. There are numerous publications across the participating states listed below. Some of them are colloborative projects among two or more participating states.
Michigan
A joint Indiana (Purdue) and Michigan (Michigan State University) sulfur publication on “Sulfur deficiency in corn, soybean, wheat, and alfalfa was released and can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Sulfur%20Deficiency%20in%20Corn,%20Soybean,%20Wheat,%20and%20Alfalfa.pdf
A complete production guide for soft winter wheat including nutrient management strategies “Michigan Wheat 101” can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Wheat-101%20MSU%202021.pdf
Metiva, M., E. Bunting, K. Steinke, and Z. Hayden. Topdress strategies and remote sensing for nitrogen management in processing carrots. Agron. J. (Accepted Oct. 2022). https://doi.org/10.1002/agj2.21257
Purucker, S., and K. Steinke. Sugarbeet response to plant population, nitrogen rate, row spacing, and starter fertilizer strategies. J. of Sugarbeet Res. (Accepted Aug. 2022). DOI: 10.5274/jsbr.59.1.23
Breunig, M., M. Nagelkirk, A. Byrne, J. Wilbur, K. Steinke, and M. Chilvers. 2022. Meta-analysis of yield response to applications of fungicides made at different crop growth stages in Michigan winter wheat. Plant Health Prog. 23:300-307. doi.org/10.1094/PHP-09-21-0118-RS.
Rutan, J., N. Rosenzweig, and K. Steinke. 2022. Soil bacterical community composition following cover crops and corn nitrogen management. Soil Sci. Soc. Am. J. 86:51-64. doi: 10.1002/saj2.20336.
Minnesota
Spring urea causing sugar beet stand loss: What you need to know (https://blog-crop-news.extension.umn.edu/2021/02/spring-urea-causing-sugar-beet-stand.html)
University of MN Nutrient Management Podcast: Fall fertilizer outlook: What to know about prices, inhibitors, biologicals & more (https://blog-crop-news.extension.umn.edu/2022/07/annual-fall-fertilizer-outlook.html)
University of MN Nutrient Management Podcast: What's new on the topic of biostimulants? (https://blog-crop-news.extension.umn.edu/2022/12/whats-new-on-topic-of-biostimulants.html
Ohio
Fleuridor, L., Fulford, A., Lindsey, L.E., Lentz E., Watters, H., Dorrance, A., Minyo, R., Richer, E., Chaganti, V., Kumaran, S., & Culman, S.W. 2022. Ohio Grain Crop Response to Sulfur Fertilization. Agronomy Journal (In Review)
Kentucky
Ritchey, E.L., C.D. Teutsch, J.H. Grove, and J.M. McGrath. 2022. Calcium or Lime? Which Raises Soil pH?. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 2:4-6.
Ritchey, E.L. C.D. Teutsch, and J.H. Grove. 2022. Calcium or Lime? Which Raises Soil pH? A Follow Up. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 10:1-3.
Illinois
Nafziger, E, J Sawyer, C Laboski, & D Franzen (2022) The MRTN approach to making nitrogen recommendations: background and implementation. Crops & Soils 55 (2):4-11. https://doi.org/10.1002/crso.20180
Missouri
Bean, G. M., Ransom, C. J., Kitchen, N. R., Scharf, P. C., Veum, K. S., Camberato, J. J., Ferguson, R. B., Fernandez, F. G., Franzen, D. W., Laboski, C. A. M., Nafziger, E. D., Sawyer, J. E., & Nielsen, R. L. 2021. Soil hydrologic grouping guide which soil and weather properties best estimate corn nitrogen need. Agronomy Journal. 113: 5541– 5555. https://doi.org/10.1002/agj2.20888
Belknap, R.A., K.A. Nelson, and G. Singh 2022. Long-term reduced tillage and no-till cropping systems affect claypan soil properties and soybean cyst nematode. Agron. J. 114:2947-2955. doi: https://doi.org/10.1002/agj2.21140.
Dhakal, D., Z.L. Erwin, and K.A. Nelson. 2022. Grazing cover crops in a no-till corn and soybean rotation. Agron. J. 114:1255-1268. doi: 10.1002/agj2.20999.
Li, D., Miao, Y., Ransom, C.J., Bean, G.M., Kitchen, N.R., Fernandez, F.G., Sawyer, J.E., Camberato, J.J., Carter, P., Ferguson, R.B., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Shanahan, J. 2022. Corn nitrogen nutrition index prediction improved by integrating genetic, environmental, and management factors with active canopy sensing using machine learning. Remote Sensing. 14(2):394. https://doi.org/10.3390/rs14020394
Kitchen, N.R., Ransom, C.J., Schepers, J.S., Hatfield, J.L., Massey, R., & Drummond, S.T. 2022. A new perspective when examining maize fertilizer nitrogen use efficiency, incrementally. PLoS ONE 17(5): e0267215. https://doi.org/10.1371/journal.pone.0267215
Nelson, K.A., R.A. Belknap, D. Brake, and G. Singh. 2022. Broadcast overseed timing of ryegrass and cereal rye in soybean affects rotational crops in upstate Missouri. Crop, Forage, & Turfgrass Manage. 8, e20184. https://doi.org10.1002/cft2.20184.
Ransom, C.J., Clark, J., Bean, G.M., Bandura, C., Schafer, M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W. 2021. Data from a public–industry partnership for enhancing corn nitrogen research. Agronomy Journal. https://doi.org/10.1002/agj2.20812
Svedin, J., Kitchen, N. R., Ransom, C. J., Veum, K. S., & Myers, R. L. 2022. A tale of two fields: Management legacy, soil health, and productivity. Agricultural & Environmental Letters, 7, e20090. https://doi.org/10.1002/ael2.20090
Svedin, J. D., Kitchen, N. R, Ransom, C. J., Veum, K. S., & Anderson, S. H. 2022. Can soil biology tests improve phosphorus and potassium corn fertilizer recommendations? Agronomy Journal, 114, 3457– 3472. https://doi.org/10.1002/agj2.21180
01/15/2024
Dave Franzen, North Dakota State University and members of the NCERA-103 committee, James Camberato, Emerson Nafziger, Daniel Kaiser, Kelly Nelson/Gurbir Singh, Dorivar Ruiz-Diaz, Ed Lentz, Kurt Steinke, John Grove/Edwin Ritchey, Leandro Bortolon, Carl Rosen, Bijesh Maharjan/Laura Thompson. 2023. Performance of Selected Commercially Available Asymbiotic N-fixing Products in the North Central Region. https://www.ndsu.edu/fileadmin/snrs/Files/SF2080_Performance_of_Selected_N-fixing_Products.pdf
D.W. Franzen, and NCERA-103 Committee. 2022. Nitrogen Extenders and Additives for field crops. North Dakota State University. SF1581
A joint Indiana (Purdue) and Michigan (Michigan State University) sulfur publication on “Sulfur deficiency in corn, soybean, wheat, and alfalfa was released and can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Sulfur%20Deficiency%20in%20Corn,%20Soybean,%20Wheat,%20and%20Alfalfa.pdf
A complete production guide for soft winter wheat including nutrient management strategies “Michigan Wheat 101” can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Wheat-101%20MSU%202021.pdf
Metiva, M., E. Bunting, K. Steinke, and Z. Hayden. Topdress strategies and remote sensing for nitrogen management in processing carrots. Agron. J. (Accepted Oct. 2022). https://doi.org/10.1002/agj2.21257
Purucker, S., and K. Steinke. Sugarbeet response to plant population, nitrogen rate, row spacing, and starter fertilizer strategies. J. of Sugarbeet Res. (Accepted Aug. 2022). DOI: 10.5274/jsbr.59.1.23
Breunig, M., M. Nagelkirk, A. Byrne, J. Wilbur, K. Steinke, and M. Chilvers. 2022. Meta-analysis of yield response to applications of fungicides made at different crop growth stages in Michigan winter wheat. Plant Health Prog. 23:300-307. doi.org/10.1094/PHP-09-21-0118-RS.
Rutan, J., N. Rosenzweig, and K. Steinke. 2022. Soil bacterical community composition following cover crops and corn nitrogen management. Soil Sci. Soc. Am. J. 86:51-64. doi: 10.1002/saj2.20336.
Spring urea causing sugar beet stand loss: What you need to know (https://blog-crop-news.extension.umn.edu/2021/02/spring-urea-causing-sugar-beet-stand.html)
University of MN Nutrient Management Podcast: Fall fertilizer outlook: What to know about prices, inhibitors, biologicals & more (https://blog-crop-news.extension.umn.edu/2022/07/annual-fall-fertilizer-outlook.html)
University of MN Nutrient Management Podcast: What's new on the topic of biostimulants? (https://blog-crop-news.extension.umn.edu/2022/12/whats-new-on-topic-of-biostimulants.html
Fleuridor, L., Fulford, A., Lindsey, L.E., Lentz E., Watters, H., Dorrance, A., Minyo, R., Richer, E., Chaganti, V., Kumaran, S., & Culman, S.W. 2022. Ohio Grain Crop Response to Sulfur Fertilization. Agronomy Journal (In Review)
Ritchey, E.L., C.D. Teutsch, J.H. Grove, and J.M. McGrath. 2022. Calcium or Lime? Which Raises Soil pH?. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 2:4-6.
Ritchey, E.L. C.D. Teutsch, and J.H. Grove. 2022. Calcium or Lime? Which Raises Soil pH? A Follow Up. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 10:1-3.
Nafziger, E, J Sawyer, C Laboski, & D Franzen (2022) The MRTN approach to making nitrogen recommendations: background and implementation. Crops & Soils 55 (2):4-11. https://doi.org/10.1002/crso.20180
Bean, G. M., Ransom, C. J., Kitchen, N. R., Scharf, P. C., Veum, K. S., Camberato, J. J., Ferguson, R. B., Fernandez, F. G., Franzen, D. W., Laboski, C. A. M., Nafziger, E. D., Sawyer, J. E., & Nielsen, R. L. 2021. Soil hydrologic grouping guide which soil and weather properties best estimate corn nitrogen need. Agronomy Journal. 113: 5541– 5555. https://doi.org/10.1002/agj2.20888
Belknap, R.A., K.A. Nelson, and G. Singh 2022. Long-term reduced tillage and no-till cropping systems affect claypan soil properties and soybean cyst nematode. Agron. J. 114:2947-2955. doi: https://doi.org/10.1002/agj2.21140.
Dhakal, D., Z.L. Erwin, and K.A. Nelson. 2022. Grazing cover crops in a no-till corn and soybean rotation. Agron. J. 114:1255-1268. doi: 10.1002/agj2.20999.
Li, D., Miao, Y., Ransom, C.J., Bean, G.M., Kitchen, N.R., Fernandez, F.G., Sawyer, J.E., Camberato, J.J., Carter, P., Ferguson, R.B., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Shanahan, J. 2022. Corn nitrogen nutrition index prediction improved by integrating genetic, environmental, and management factors with active canopy sensing using machine learning. Remote Sensing. 14(2):394. https://doi.org/10.3390/rs14020394
Kitchen, N.R., Ransom, C.J., Schepers, J.S., Hatfield, J.L., Massey, R., & Drummond, S.T. 2022. A new perspective when examining maize fertilizer nitrogen use efficiency, incrementally. PLoS ONE 17(5): e0267215. https://doi.org/10.1371/journal.pone.0267215
Nelson, K.A., R.A. Belknap, D. Brake, and G. Singh. 2022. Broadcast overseed timing of ryegrass and cereal rye in soybean affects rotational crops in upstate Missouri. Crop, Forage, & Turfgrass Manage. 8, e20184. https://doi.org10.1002/cft2.20184.
Ransom, C.J., Clark, J., Bean, G.M., Bandura, C., Schafer, M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W. 2021. Data from a public–industry partnership for enhancing corn nitrogen research. Agronomy Journal. https://doi.org/10.1002/agj2.20812
Svedin, J., Kitchen, N. R., Ransom, C. J., Veum, K. S., & Myers, R. L. 2022. A tale of two fields: Management legacy, soil health, and productivity. Agricultural & Environmental Letters, 7, e20090. https://doi.org/10.1002/ael2.20090
Svedin, J. D., Kitchen, N. R, Ransom, C. J., Veum, K. S., & Anderson, S. H. 2022. Can soil biology tests improve phosphorus and potassium corn fertilizer recommendations? Agronomy Journal, 114, 3457– 3472. https://doi.org/10.1002/agj2.21180
01/03/2025
D.A Ruiz Diaz. 2024. Soil Test Interpretations and Fertilizer Recommendations in Kansas. Kansas State University. MF2586.
Holman, J.D., Ruiz Diaz, D.A., Obour, A.K. and Assefa, Y., 2024. Nitrogen fertilizer source, rate, placement, and application timing effect on sorghum (grain and forage) and corn grain yields. Agrosystems, Geosciences & Environment, 7(1), p.e20469.
Pires, C. B., Krupek, F. S., Carmona, G. I., Ortez, O. A., Thompson, L., Quinn, D. J.,Ruiz Diaz and Ciampitti. 2024. Perspective of US farmers on collaborative on‐farm agronomic research. Agronomy Journal.https://doi.org/10.1002/agj2.21560
Massigoge, I., Baral, R., Cominelli, S., Denson, E., Helguera, P.G., Guareschi, C., Simão, L.M., Rud, J.P., Pires, C.B., Dille, J.A. and Ruiz Diaz. 2024. Exploring alternative crop rotations to continuous winter wheat for agricultural intensification in the US central great plains. Agricultural Systems, 216, p.103879.
Kaiser, D., Mallarino, A.P., Jones, J. and RUiz Diaz, D., 2024. Phosphorus fertilizer guidelines: Four Midwest experts talk profit, yield, soil tests & more.
Simao, L.M., Cruppe, G., Michau, J.P., Schillinger, W.F., Ruiz Diaz, D.A., Dille, A.J., Rice, C.W. and Lollato, R.P., 2024. Beyond grain: Agronomic, ecological, and economic benefits of diversifying crop rotations with wheat. Advances in Agronomy, 186, p.51.
Dave Franzen, North Dakota State University and members of the NCERA-103 committee, James Camberato, Emerson Nafziger, Daniel Kaiser, Kelly Nelson/Gurbir Singh, Dorivar Ruiz-Diaz, Ed Lentz, Kurt Steinke, John Grove/Edwin Ritchey, Leandro Bortolon, Carl Rosen, Bijesh Maharjan/Laura Thompson. 2023. Performance of Selected Commercially Available Asymbiotic N-fixing Products in the North Central Region. https://www.ndsu.edu/fileadmin/snrs/Files/SF2080_Performance_of_Selected_N-fixing_Products.pdf
D.W. Franzen, and NCERA-103 Committee. 2022. Nitrogen Extenders and Additives for field crops. North Dakota State University. SF1581
A joint Indiana (Purdue) and Michigan (Michigan State University) sulfur publication on "Sulfur deficiency in corn, soybean, wheat, and alfalfa was released and can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Sulfur%20Deficiency%20in%20Corn,%20Soybean,%20Wheat,%20and%20Alfalfa.pdf
A complete production guide for soft winter wheat including nutrient management strategies "Michigan Wheat 101" can be found at: https://www.canr.msu.edu/soilfertility/Files/Bulletins/Wheat-101%20MSU%202021.pdf
Metiva, M., E. Bunting, K. Steinke, and Z. Hayden. Topdress strategies and remote sensing for nitrogen management in processing carrots. Agron. J. (Accepted Oct. 2022). https://doi.org/10.1002/agj2.21257
Purucker, S., and K. Steinke. Sugarbeet response to plant population, nitrogen rate, row spacing, and starter fertilizer strategies. J. of Sugarbeet Res. (Accepted Aug. 2022). DOI: 10.5274/jsbr.59.1.23
Breunig, M., M. Nagelkirk, A. Byrne, J. Wilbur, K. Steinke, and M. Chilvers. 2022. Meta-analysis of yield response to applications of fungicides made at different crop growth stages in Michigan winter wheat. Plant Health Prog. 23:300-307. doi.org/10.1094/PHP-09-21-0118-RS.
Rutan, J., N. Rosenzweig, and K. Steinke. 2022. Soil bacterical community composition following cover crops and corn nitrogen management. Soil Sci. Soc. Am. J. 86:51-64. doi: 10.1002/saj2.20336.
Spring urea causing sugar beet stand loss: What you need to know (https://blog-crop-news.extension.umn.edu/2021/02/spring-urea-causing-sugar-beet-stand.html)
University of MN Nutrient Management Podcast: Fall fertilizer outlook: What to know about prices, inhibitors, biologicals & more (https://blog-crop-news.extension.umn.edu/2022/07/annual-fall-fertilizer-outlook.html)
University of MN Nutrient Management Podcast: What's new on the topic of biostimulants? (https://blog-crop-news.extension.umn.edu/2022/12/whats-new-on-topic-of-biostimulants.html
Fleuridor, L., Fulford, A., Lindsey, L.E., Lentz E., Watters, H., Dorrance, A., Minyo, R., Richer, E., Chaganti, V., Kumaran, S., & Culman, S.W. 2022. Ohio Grain Crop Response to Sulfur Fertilization. Agronomy Journal (In Review)
Ritchey, E.L., C.D. Teutsch, J.H. Grove, and J.M. McGrath. 2022. Calcium or Lime? Which Raises Soil pH?. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 2:4-6.
Ritchey, E.L. C.D. Teutsch, and J.H. Grove. 2022. Calcium or Lime? Which Raises Soil pH? A Follow Up. University of Kentucky Corn and Soybean Newsletter Issue 4 Volume 10:1-3.
Nafziger, E, J Sawyer, C Laboski, & D Franzen (2022) The MRTN approach to making nitrogen recommendations: background and implementation. Crops & Soils 55 (2):4-11. https://doi.org/10.1002/crso.20180
Bean, G. M., Ransom, C. J., Kitchen, N. R., Scharf, P. C., Veum, K. S., Camberato, J. J., Ferguson, R. B., Fernandez, F. G., Franzen, D. W., Laboski, C. A. M., Nafziger, E. D., Sawyer, J. E., & Nielsen, R. L. 2021. Soil hydrologic grouping guide which soil and weather properties best estimate corn nitrogen need. Agronomy Journal. 113: 5541– 5555. https://doi.org/10.1002/agj2.20888
Belknap, R.A., K.A. Nelson, and G. Singh 2022. Long-term reduced tillage and no-till cropping systems affect claypan soil properties and soybean cyst nematode. Agron. J. 114:2947-2955. doi: https://doi.org/10.1002/agj2.21140.
Dhakal, D., Z.L. Erwin, and K.A. Nelson. 2022. Grazing cover crops in a no-till corn and soybean rotation. Agron. J. 114:1255-1268. doi: 10.1002/agj2.20999.
Li, D., Miao, Y., Ransom, C.J., Bean, G.M., Kitchen, N.R., Fernandez, F.G., Sawyer, J.E., Camberato, J.J., Carter, P., Ferguson, R.B., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Shanahan, J. 2022. Corn nitrogen nutrition index prediction improved by integrating genetic, environmental, and management factors with active canopy sensing using machine learning. Remote Sensing. 14(2):394. https://doi.org/10.3390/rs14020394
Kitchen, N.R., Ransom, C.J., Schepers, J.S., Hatfield, J.L., Massey, R., & Drummond, S.T. 2022. A new perspective when examining maize fertilizer nitrogen use efficiency, incrementally. PLoS ONE 17(5): e0267215. https://doi.org/10.1371/journal.pone.0267215
Nelson, K.A., R.A. Belknap, D. Brake, and G. Singh. 2022. Broadcast overseed timing of ryegrass and cereal rye in soybean affects rotational crops in upstate Missouri. Crop, Forage, & Turfgrass Manage. 8, e20184. https://doi.org10.1002/cft2.20184.
Ransom, C.J., Clark, J., Bean, G.M., Bandura, C., Schafer, M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W. 2021. Data from a public–industry partnership for enhancing corn nitrogen research. Agronomy Journal. https://doi.org/10.1002/agj2.20812
Svedin, J., Kitchen, N. R., Ransom, C. J., Veum, K. S., & Myers, R. L. 2022. A tale of two fields: Management legacy, soil health, and productivity. Agricultural & Environmental Letters, 7, e20090. https://doi.org/10.1002/ael2.20090
Svedin, J. D., Kitchen, N. R, Ransom, C. J., Veum, K. S., & Anderson, S. H. 2022. Can soil biology tests improve phosphorus and potassium corn fertilizer recommendations? Agronomy Journal, 114, 3457– 3472. https://doi.org/10.1002/agj2.21180
01/19/2026
Examples of Selected Publications:
- Bearss, M.K.L.S., Z. Hayden, M. Chilvers, and K. Steinke. 2026. Integrating autumn starter fertilizer, fungicide timing, and late-season N strategies in winter wheat. Agron. J. (Accepted 12/13/2025).
- Chilvers, Martin; Steinke, Kurt; Quinn, Dan; Telenko, Darcy; Mueller, Daren; Robertson, Alison; Smith, Damon; Wise, Kiersten. 2025. Mythbusting Tar Spot: Separating Fact from Fiction. Crop Protection Network. CPN-2024. doi.org/10.31274/cpn-20250416-0.
- Grove, J.H. and E.L. Ritchey. 2025. Corn yield recovery with at-tasseling/early silking N applications. Kentucky Field Crops News. 1(2):8
- Grove, J.H. and E.L. Ritchey. 2025. Corn nitrogen rate recommendations: AGR-1 updates. Kentucky Field Crops News. 1(3):35
- Grove, J.H., C.D. Teutsch, E.L. Ritchey, B. Lee, and E.G. Beck. 2025. After a big rain: N loss, erosion, and other things. Kentucky Field Crops News. 1(4):7
- Grove, J.H. and E.L. Ritchey. 2025. Soil fertility for fall planted winter grains and cover crops: 2025’s special considerations. Kentucky Field Crops News. 1(9):25
- Grove, J.H. and E.L. Ritchey. 2025. Wheat pays it forward in your grain rotation. Kentucky Field Crops News. 1(10):4
- Grove, J.H. and E.L. Ritchey. 2025. Value of biologicals, biostimulants, and soil/fertilizer nutrient enhancement products. Kentucky Field Crops News. 1(10):14
- Grove, J.H. and E.L. Ritchey. 2025. Corn N biologicals & fertilizer additives: Worth it this year? Kentucky Field Crops News. 1(10):25
- Kadari, P.K., G. Singh, K.A. Nelson, G. Kaur, and A. Rocha, Jr. 2025. Nitrapyrin application at different topographic positions affects corn productivity and economic returns. Agron. J. 117, e70239. doi: https://doi.org/10.1002/agj2.70239
- Kadari, P.K., G. Singh, K.A. Nelson, & G. Kaur. 2025. Anhydrous Ammonia with Nitrapyrin Increases Corn Yield And Profitability Across Topographic Positions. Northern Missouri Research, Extension, and Education Center Field Day Annual Report. SR607. 4:36-40.
- Kaiser, D. 2025. Podcast. Nitrogen-fixing biologicals: What farmers should know. https://blog-crop-news.extension.umn.edu/2025/02/nitrogen-fixing-biologicals-what.html
- Kaiser, D. 2025. Podcast. Podcast. Biological soil fertility products for corn and soybeans: How should farmers be thinking about them? https://blog-crop-news.extension.umn.edu/2025/09/biological-soil-fertility-products-for.html
- Kaur, M., Gurpreet Kaur, K.A. Nelson, G. Singh. 2025. Nitrogen and Sulfur Applications to Soybean for Flooding Recovery in Northern Missouri. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT.
- Parvej, R., D. Brandt, R. Myers, K. Nelson, G. Singh, and T. Reinbott. 2025. Soil Organic Carbon: A Foundational Indicator of Soil Health. University of Missouri Extension. g9071. pp. 5. https://extension.missouri.edu/publications/g9071.
- Paul, R., G. Singh, K.A. Nelson, & G. Kaur. 2025. Optimizing Nitrogen Source, Rate, And Timing with a Nitrification Inhibitor to Improve Corn Grain Yield. Northern Missouri Research, Extension, and Education Center Field Day Annual Report. SR607. 4:41-45.
- Paul, R., G. Singh , K. Nelson, G. Kaur , & M. Parvej. 2025. Optimizing Nitrogen Application in Corn with and Without a Nitrification Inhibitor. Proceedings of the North Central Extension-Industry Soil Fertility Conference, Des Moines, IA.
- Paul, R.M., G. Singh, K.A. Nelson, R. Parvej, and G. Kaur, 2025. Soil Health and Fertility Responses to Nitrogen Application Timing, Rate and Nitrification Inhibitor Use. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT.
- Paul, R.M., G. Singh, K.A. Nelson, and G. Kaur. 2025. Pronitridine Nitrogen Stabilizer to Reduce Nitrate-N and Ammonium-N Loss Following Nitrogen Fertilizer Application to Corn. [Abstract]. UCOWR/NIWR Annual Water Resources Conference. Minneapolis, MN 3-5 June.
- Paul, R.M., G. Singh, K.A. Nelson, R. Parvej, and G. Kaur. 2025. Comparative Analysis of Corn Nutrient Dynamics: Laboratory Methods Vs. Spectral Sensor Technology. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT.
- Ritchey, E.L. and J.H. Grove. 2025. Too wet to soil sample but ideal to check for soil compaction. Kentucky Field Crops News. 1(2):1
- Ritchey, E.L. and J.H. Grove. 2025. Follow the basics to maintain yields and manage costs. Kentucky Field Crops News. 1(3):30
- Ritchey, E.L. and J.H. Grove. 2025. Determining the value of different nutrient packages. Kentucky Field Crops News. 1(10):8
- Ritchey, E.L. and J.H. Grove. 2025. Liquid or dry fertilizer products and their placement: What matters and why. Kentucky Field Crops News. 1(10):29
- Rosen, C., D. Ruiz-Diaz, K. Steinke, D.E. Kaiser, B. Maharjan, E. Ritchie, B. Goettl, D. Quinn, G.P. Fontes, G. Singh, J. Clark, J. Jones, K. Nelson, L. Bortolon, M. Rakkar, N. Rayne, and R. Roth. 2025. Effectiveness of Using Low Rates of Plant Nutrients. NDSU Extension. SF1978. pp. 6.
- Rutan, J., and K. Steinke. 2026. Potato growth, yield, and quality in response to phosphorus application rates across a range of soil test P concentrations. Eur. J. of Agronomy. 173: 13pp. (Accepted 11/6/2025). https://doi.org/10.1016/j.eja.2025.127917
- Steinkamp, D., K.A. Nelson, G. Singh, M. Davis, G. Kaur, & N. Miller. 2025. Dicyandiamide (DCD) Rates Influence Urea Management. Northern Missouri Research, Extension, and Education Center Field Day Annual Report. SR607. 4:22-29.
- Steinkamp, D., K.A. Nelson, G. Singh, M. Davis, G. Kaur, & N. Miller. 2025 Efficacy Of Enhanced Efficiency Urea Fertilizers. Northern Missouri Research, Extension, and Education Center Field Day Annual Report. SR607. 4:30-35.
- Steinkamp, D.J., K.A. Nelson, G. Singh, M.P. Davis, and G. Kaur. 2025. DCD Rates Affect Corn Response and N Fate in Claypan Soils. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT.
- Thomas, L., J. Willbur, and K. Steinke. 2025. Utilizing boron to improve sugarbeet yield, quality, and Cercospora leaf spot management. J. of Sugarbeet Res. 62:29-43.
DOI:10.5274/jsbr.62.1.29.