Publications

Rayne, N.; Bandura, C. (2024). Ammonia Loss from Urea-Containing Fertilizers. Link to publication

Rayne, N.; Chim B.K. (2023). Biological Aspects of Manure Management. Chapter in Encyclopedia of Soils in the  Environment, Second Edition. Elsevier, pp 558-566 Link to publication

Rayne, N.; Aula, L. Livestock Manure and the Impacts on Soil Health: A Review (2020). Soil Syst., 4, 64. Link to publication

Wyatt, E. C., Bushong, J. T., Macnack, N., Mullock, J. L., Taylor, R., Raun, W. R. (2017). Influence of Droplet Size of Foliar Applied Nitrogen on Grain Protein Content of Hard Red Winter Wheat. Crop, Forage & Turfgrass Management, 3, 10. Link to publication

Omara, P., Macnack, N. E., Aula, L., Raun, B. (2017). Effect of long-term beef manure application on soil test phosphorus, organic carbon, and winter wheat yield. Journal of Plant Nutrition, 40(8), 1143-1151. Link to publication

Aula, L., Macnack, N. E., Omara, P., Mullock, J., Raun, W. (2016). Effect of fertilizer nitrogen (N) on soil organic carbon, total N and soil pH in long term continuous winter wheat. Communications in Soil Science and Plant Analysis/Taylor & Francis, 47(7), 863-874. Link to publication

Omara, P., Aula, L., Raun, B., Taylor, R., Koller, A., Lam, E., Ringer, J., Mullock, J., Dhital, S., Macnack, N. E. (2015). Hand Planter for Maize (Zea mays L.) in the Developing World. Journal of Plant Nutrition, 39(9), 1233-1239. Link to publication

Chim, B. K., Omara, P., Macnack, N. E., Mullock, J., Dhital, S., Raun, W. (2014). Effect of seed distribution and population on Maize (Zea Mays L.) grain yield. International Journal of Agronomy 2014, 1-8. Link to publication

Macnack, N. E., Chim, B. K., Raun, W., Mullock, J. (2014). In Season Prediction of Nitrogen Use Efficiency and Grain Protein in Winter Wheat (Triticum aestivum L.). Communications in Soil Science and Plant Analysis (00), 1-15. Link to publication

Macnack, N. E., Chim, B. K., Raun, W. (2013). Applied model for estimating potential ammonia loss from surface applied urea. Communications in Soil Science and Plant Analysis (44), 2055-2063. Link to publication

Foster, A.J., Macnack, N. E., O’Conner-Dennie, T. (2013). Improving Nitrogen Use Efficiency in Caribbean Agriculture. Tropical Agriculture, 90(2), 109-114. Link to publication

Presentations

  • April 2025, Natasha Rayne Ph.D| Manure Nitrogen Credits: What do we know, and what’s next?

    This video features Dr. Natasha Rayne, assistant professor and extension soil fertility specialist at UW–Madison, discussing the concept of manure nitrogen credits and their importance in agricultural nutrient management. She explains how nitrogen credits are calculated, the variability in nitrogen content across different types of manure, and the factors affecting nitrogen availability. The presentation highlights…

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  • January 2025, Natasha Rayne Ph.D | Wisconsin Agri-Business Classic

    View more details: Updating A2809 What’s New, What’s Next Recent Posts

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  • Fall 2024, Brendan Baird and Natasha Rayne Ph.D.| Soybean (Glycine max L.) Response to Increased Nickel Soil Content

    Recent Posts

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  • June 12, 2024, Natasha Rayne Ph.D: Badger Connect | “Crop Sensors, Manure, and Everything In-Between”

    The June 12 Badger Crop Connect webinar features Dr. Natasha Rayne, a new Extension faculty specialist in soil fertility. Dr. Rayne introduces us to her and her work and research in soil fertility. She discusses the relationships between nutrient management, remote sensing, manure, and other aspects of her soil fertility research program. See Details on…

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  • Rayne, N. E., WAPAC Forum, “Crop Sensors, Manure, and Everything In-between,” Wisconsin Association of Professional Agricultural Consultants, Online, Madison, WI, United States. (December 12, 2024).
  • Rayne N. Soil 311 (Soil Fertility) UW River Falls, “Guest lecture: Cover Crops and Soil Fertility” University of Wisconsin River Falls, Online, Madison, WI, United States. (December 2, 2024).
  • Rayne, N. E., CANVAS, “Manure Nutrient Credits: What Do We Know and What’s Next?” American Society of Agronomy, Soil Science Society of America, Crop Science Society of America, Henry B. Gonzalez Convention Center, San Antonio, TX, United States. (November 13, 2024).
  • Rayne, N. E., Agronomy and Soils Field Day, “Advancements in Manure Management, Manure Nitrogen Credits: Challenges and Opportunities,” Crops and Soils, UW Extension, Arlington Ag Research Station, Arlington, WI, United States. (August 28, 2024).
  • Rayne, N. E., Dodge County Farmers Field Day, “Manure in Nutrient Management, N Credits from Manure: Is there a right answer?,” Dodge County Farmers for Healthy Soil & Healthy Water, Oechsner Farms, Brownsville, WI, United States. (August 7, 2024).
  • Rayne, N. E., Badger Connect, “Crop Sensors, Manure, and Everything In-Between,” University of Wisconsin Madison Extension, Webinar, Madison, WI, United States. (June 12, 2024).
  • Rayne, N. E., Dairy Symposium, “Enhancing dairy farm sustainability: Integrated strategies for manure land management and soil health. Nitrogen credits from manure: Is there a right answer?” Dairy Innovation Hub, Memorial Union, Madison, WI, United States. (May 15, 2024).
  • Rayne, N. E., Central Wisconsin Farm Profitability Expo, “Precision Sensing and Nitrogen Recovery,” Mid-State Technical College and Wood County Land & Water Conservation, Mid-State Technical College, Wisconsin Rapids, WI, United States. (April 24, 2024).
  • Rayne, N. E., Kampa, J. (Extension Educator), No-Till Works, “Starter Fertilizers in No-Till Systems,” University of Wisconsin Madison Extension, Riley Brothers Farm, Mauston, WI, United States. (March 14, 2024).
  • Rayne, N. E., Ograin Winter Conference, “Manure: Understanding Mineralization and Nitrogen Credits,” University of Wisconsin Madison, Monona Terrace, Madison, WI, United States. (February 2, 2024).
  • N. E., DIH at the State Capitol, “Efficient Manure Land Application Through Vertical Tillage Systems,” Dairy Innovation Hub, State Capitol, Madison, WI, United States. (January 31, 2024).