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1. Maximizing soil organic carbon stocks under cover cropping: insights from long-term agricultural experiments in North America

Author

Peng, Yajun, Rieke, Elizabeth L., Chahal, Inderjot, Norris, Charlotte E., Janovicek, Ken, Mitchell, Jeffrey P., Roozeboom, Kraig L., Hayden, Zachary D., Strock, Jeffrey S., Machado, Stephen, Sykes, Virginia R., Deen, Bill, Tavarez, Oscar Bañuelos, Gamble, Audrey V., Scow, Kate M., Brainard, Daniel C., Millar, Neville, Johnson, Gregg A., Schindelbeck, Robert R., Kurtz, Kirsten S.M., van Es, Harold, Kumar, Sandeep, and Van Eerd, Laura L.

Published
2023
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2. Evaluation of aggregate stability methods for soil health

Author

Rieke, Elizabeth L., Bagnall, Dianna K., Morgan, Cristine L.S., Flynn, Kade D., Howe, Julie A., Greub, Kelsey L.H., Mac Bean, G., Cappellazzi, Shannon B., Cope, Michael, Liptzin, Daniel, Norris, Charlotte E., Tracy, Paul W., Aberle, Ezra, Ashworth, Amanda, Bañuelos Tavarez, Oscar, Bary, Andy I., Baumhardt, R.L., Borbón Gracia, Alberto, Brainard, Daniel C., Brennan, Jameson R., Briones Reyes, Dolores, Bruhjell, Darren, Carlyle, Cameron N., Crawford, James J.W., Creech, Cody F., Culman, Steve W., Deen, Bill, Dell, Curtis J., Derner, Justin D., Ducey, Thomas F., Duiker, Sjoerd W., Dyck, Miles F., Ellert, Benjamin H., Entz, Martin H., Espinosa Solorio, Avelino, Fonte, Steven J., Fonteyne, Simon, Fortuna, Ann-Marie, Foster, Jamie L., Fultz, Lisa M., Gamble, Audrey V., Geddes, Charles M., Griffin-LaHue, Deirdre, Grove, John H., Hamilton, Stephen K., Hao, Xiying, Hayden, Zachary D., Honsdorf, Nora, Ippolito, James A., Johnson, Gregg A., Kautz, Mark A., Kitchen, Newell R., Kumar, Sandeep, Kurtz, Kirsten S.M., Larney, Francis J., Lewis, Katie L., Liebman, Matt, Lopez Ramirez, Antonio, Machado, Stephen, Maharjan, Bijesh, Martinez Gamiño, Miguel Angel, May, William E., McClaran, Mitchel P., McDaniel, Marshall D., Millar, Neville, Mitchell, Jeffrey P., Moore, Amber D., Moore, Philip A., Jr., Mora Gutiérrez, Manuel, Nelson, Kelly A., Omondi, Emmanuel C., Osborne, Shannon L., Osorio Alcalá, Leodegario, Owens, Phillip, Pena-Yewtukhiw, Eugenia M., Poffenbarger, Hanna J., Ponce Lira, Brenda, Reeve, Jennifer R., Reinbott, Timothy M., Reiter, Mark S., Ritchey, Edwin L., Roozeboom, Kraig L., Rui, Yichao, Sadeghpour, Amir, Sainju, Upendra M., Sanford, Gregg R., Schillinger, William F., Schindelbeck, Robert R., Schipanski, Meagan E., Schlegel, Alan J., Scow, Kate M., Sherrod, Lucretia A., Shober, Amy L, Sidhu, Sudeep S., Solís Moya, Ernesto, St. Luce, Mervin, Strock, Jeffrey S., Suyker, Andrew E., Sykes, Virginia R., Tao, Haiying, Trujillo Campos, Alberto, Van Eerd, Laura L., van Es, Harold M., Verhulst, Nele, Vyn, Tony J., Wang, Yutao, Watts, Dexter B., Wright, David L., Zhang, Tiequan, and Honeycutt, C. Wayne

Published
2022
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3. An evaluation of carbon indicators of soil health in long-term agricultural experiments

Author

Liptzin, Daniel, Norris, Charlotte E., Cappellazzi, Shannon B., Bean, G. Mac, Cope, Michael, Greub, Kelsey L.H., Rieke, Elizabeth L., Tracy, Paul W., Aberle, Ezra, Ashworth, Amanda, Bañuelos Tavarez, Oscar, Bary, Andy I., Baumhardt, R.L., Borbón Gracia, Alberto, Brainard, Daniel C., Brennan, Jameson R., Briones Reyes, Dolores, Bruhjell, Darren, Carlyle, Cameron N., Crawford, James J.W., Creech, Cody F., Culman, Steve W., Deen, Bill, Dell, Curtis J., Derner, Justin D., Ducey, Thomas F., Duiker, Sjoerd W., Dyck, Miles F., Ellert, Benjamin H., Entz, Martin H., Espinosa Solorio, Avelino, Fonte, Steven J., Fonteyne, Simon, Fortuna, Ann-Marie, Foster, Jamie L., Fultz, Lisa M., Gamble, Audrey V., Geddes, Charles M., Griffin-LaHue, Deirdre, Grove, John H., Hamilton, Stephen K., Hao, Xiying, Hayden, Zachary D., Honsdorf, Nora, Howe, Julie A., Ippolito, James A., Johnson, Gregg A., Kautz, Mark A., Kitchen, Newell R., Kumar, Sandeep, Kurtz, Kirsten S.M., Larney, Francis J., Lewis, Katie L., Liebman, Matt, Lopez Ramirez, Antonio, Machado, Stephen, Maharjan, Bijesh, Martinez Gamiño, Miguel Angel, May, William E., McClaran, Mitchel P., McDaniel, Marshall D., Millar, Neville, Mitchell, Jeffrey P., Moore, Amber D., Moore, Philip A., Jr., Mora Gutiérrez, Manuel, Nelson, Kelly A., Omondi, Emmanuel C., Osborne, Shannon L., Osorio Alcalá, Leodegario, Owens, Philip, Pena-Yewtukhiw, Eugenia M., Poffenbarger, Hanna J., Ponce Lira, Brenda, Reeve, Jennifer R., Reinbott, Timothy M., Reiter, Mark S., Ritchey, Edwin L., Roozeboom, Kraig L., Rui, Yichao, Sadeghpour, Amir, Sainju, Upendra M., Sanford, Gregg R., Schillinger, William F., Schindelbeck, Robert R., Schipanski, Meagan E., Schlegel, Alan J., Scow, Kate M., Sherrod, Lucretia A., Shober, Amy L., Sidhu, Sudeep S., Solís Moya, Ernesto, St Luce, Mervin, Strock, Jeffrey S., Suyker, Andrew E., Sykes, Virginia R., Tao, Haiying, Trujillo Campos, Alberto, Van Eerd, Laura L., van Es, Harold, Verhulst, Nele, Vyn, Tony J., Wang, Yutao, Watts, Dexter B., Wright, David L., Zhang, Tiequan, Morgan, Cristine L.S., and Honeycutt, C. Wayne

Published
2022
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4. Linking soil microbial community structure to potential carbon mineralization: A continental scale assessment of reduced tillage

Author

Rieke, Elizabeth L., Cappellazzi, Shannon B., Cope, Michael, Liptzin, Daniel, Mac Bean, G., Greub, Kelsey L.H., Norris, Charlotte E., Tracy, Paul W., Aberle, Ezra, Ashworth, Amanda, Bañuelos Tavarez, Oscar, Bary, Andy I., Baumhardt, R.L., Borbón Gracia, Alberto, Brainard, Daniel C., Brennan, Jameson R., Briones Reyes, Dolores, Bruhjell, Darren, Carlyle, Cameron N., Crawford, James J.W., Creech, Cody F., Culman, Steve W., Deen, Bill, Dell, Curtis J., Derner, Justin D., Ducey, Thomas F., Duiker, Sjoerd W., Dyck, Miles F., Ellert, Benjamin H., Espinosa Solorio, Avelino, Fonte, Steven J., Fonteyne, Simon, Fortuna, Ann-Marie, Foster, Jamie L., Fultz, Lisa M., Gamble, Audrey V., Geddes, Charles M., Griffin-LaHue, Deirdre, Grove, John H., Hamilton, Stephen K., Hao, Xiying, Hayden, Zachary D., Honsdorf, Nora, Howe, Julie A., Ippolito, James A., Johnson, Gregg A., Kautz, Mark A., Kitchen, Newell R., Kumar, Sandeep, Kurtz, Kirsten S.M., Larney, Francis J., Lewis, Katie L., Liebman, Matt, Lopez Ramirez, Antonio, Machado, Stephen, Maharjan, Bijesh, Martinez Gamiño, Miguel Angel, May, William E., McClaran, Mitchel P., McDaniel, Marshall D., Millar, Neville, Mitchell, Jeffrey P., Moore, Amber D., Moore, Philip A., Jr., Mora Gutiérrez, Manuel, Nelson, Kelly A., Omondi, Emmanuel C., Osborne, Shannon L., Osorio Alcalá, Leodegario, Owens, Philip, Pena-Yewtukhiw, Eugenia M., Poffenbarger, Hanna J., Ponce Lira, Brenda, Reeve, Jennifer R., Reinbott, Timothy M., Reiter, Mark S., Ritchey, Edwin L., Roozeboom, Kraig L., Rui, Yichao, Sadeghpour, Amir, Sainju, Upendra M., Sanford, Gregg R., Schillinger, William F., Schindelbeck, Robert R., Schipanski, Meagan E., Schlegel, Alan J., Scow, Kate M., Sherrod, Lucretia A., Shober, Amy L., Sidhu, Sudeep S., Solís Moya, Ernesto, St Luce, Mervin, Strock, Jeffrey S., Suyker, Andrew E., Sykes, Virginia R., Tao, Haiying, Trujillo Campos, Alberto, Van Eerd, Laura L., Verhulst, Nele, Vyn, Tony J., Wang, Yutao, Watts, Dexter B., William, Bryan B., Wright, David L., Zhang, Tiequan, Morgan, Cristine L.S., and Honeycutt, C. Wayne

Published
2022
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7. Supplemental Irrigation with Recycled Drainage Water: Outcomes for Corn and Soybean in a Fine-Textured Soil.

Author

Niaghi, Ali R., Garcia y Garcia, Axel, and Strock, Jeffrey S.

Subjects
SOYBEAN, WATER management, WATER reuse, SOIL moisture, IRRIGATION water
Abstract

Drought and heavier spring storms from climate change will increase crop water stress and affect productivity. A study was conducted to determine whether supplemental irrigation on fine-textured soils with recycled drainage and surface runoff water, combined with nitrogen (N) management, could mitigate these effects. This study was set as a randomized complete block design in a split-plot arrangement with three replicates. The main plots, which were individually drained, corresponded to three water management strategies (full irrigation, limited irrigation, and rainfed), and the subplots corresponded to six N rates (0, 90, 134, 179, 224, and 269 kg/ha) in the corn phase of the rotation. In the soybean phase, the same water management strategies were uniformly applied across the subplots. Irrigation and drainage water, volumetric soil water content (SWC), and grain yield data were collected. The full irrigation significantly increased the SWC in the top 60 cm of the soil across crops during the driest year, where it increased by an average of 30% compared with the rainfed conditions. The limited irrigation increased the SWC in the top 20 cm only for the soybean during the driest year, where it increased by as much as 25%. As a result, the supplemental irrigation prevented yield reduction in one year. While the irrigation alone did not significantly affect the grain yield of either crop, the irrigation × N interaction for the corn was consistently significant, which suggests that the N effectively enhanced the corn productivity. The results suggest that reusing drainage water could be a valuable practice for reducing the effects of limited soil water on crops in fine-textured soils. [ABSTRACT FROM AUTHOR]

Published
2024
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8. Effects of landscape position on perennial biomass and food crop performance in buffer areas.

Author

Black, Katie L., Johnson, Gregg A., Wells, Samantha S., Garcia y Garcia, Axel, Jungers, Jacob M., and Strock, Jeffrey S.

Subjects
ENERGY crops, CROPS, FARMS, CULTIVARS, AGRICULTURAL pollution, SWITCHGRASS
Abstract

Due to the environmental consequences of annual‐dominated cropping systems, there is an increasing need to identify agronomic strategies that incorporate perennial crops. One strategy for increasing perennial cover is through the targeted use of annually harvested perennial food and bioproduct crops in buffer strips, which has the potential to create new revenue streams for farmers and substantially mitigate agricultural nutrient pollution from conventional cropping systems. As buffers are typically installed on marginal land, it is critical to understand how landscape position influences the success of perennial crops. The objectives of this study were to determine the relatively early influence of landscape position on the productivity of a variety of perennial crops and their subsequent soil nutrients and soil water storing capabilities. In this experiment, nine perennial (alfalfa, alsike clover, indiangrass, switchgrass, big bluestem, prairie cordgrass, intermediate wheatgrass, high‐diversity polyculture, low‐diversity polyculture) and two annual (corn, soybean) crops were planted across two landscape positions (hillslope and deposition). Plant biomass, plant tissue nitrogen, soil moisture, and soil NO3‐N and NH4‐N were measured and compared at two different locations in Minnesota. Overall, the polyculture mixes, and to some extent intermediate wheatgrass, performed the best with respect to biomass production while also providing ecosystem services across most soil by landscape position combinations tested in this study. However, there were some important findings specific to each soil and landscape position combination, mainly oriented toward biomass production. We also observed temporal patterns in soil moisture and depth‐related patterns in soil N reductions. This study presents an opportunity to optimize the use of perennial crops on marginal agricultural lands for improved environmental and economic benefit. [ABSTRACT FROM AUTHOR]

Published
2024
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10. An evaluation of nitrogen indicators for soil health in long‐term agricultural experiments

Author

Liptzin, Daniel, primary, Rieke, Elizabeth L., additional, Cappellazzi, Shannon B., additional, Bean, G. Mac, additional, Cope, Michael, additional, Greub, Kelsey L. H., additional, Norris, Charlotte E., additional, Tracy, Paul W., additional, Aberle, Ezra, additional, Ashworth, Amanda, additional, Tavarez, Oscar Bañuelos, additional, Bary, Andy I., additional, Baumhardt, R. L., additional, Gracia, Alberto Borbón, additional, Brainard, Daniel C., additional, Brennan, Jameson R., additional, Reyes, Dolores Briones, additional, Bruhjell, Darren, additional, Carlyle, Cameron N., additional, Crawford, James J. W., additional, Creech, Cody F., additional, Culman, Steve W., additional, Deen, Bill, additional, Dell, Curtis J., additional, Derner, Justin D., additional, Ducey, Thomas F., additional, Duiker, Sjoerd W., additional, Dungan, Robert S., additional, Dyck, Miles F., additional, Ellert, Benjamin H., additional, Entz, Martin H., additional, Solorio, Avelino Espinosa, additional, Fonte, Steven J., additional, Fonteyne, Simon, additional, Fortuna, Ann‐Marie, additional, Foster, Jamie L., additional, Fultz, Lisa M., additional, Gamble, Audrey V., additional, Geddes, Charles M., additional, Griffin‐LaHue, Deirdre, additional, Grove, John H., additional, Hamilton, Stephen K., additional, Hao, Xiying, additional, Hayden, Zachary D., additional, Honsdorf, Nora, additional, Howe, Julie A., additional, Ippolito, James A., additional, Johnson, Gregg A., additional, Kautz, Mark A., additional, Kitchen, Newell R., additional, Kumar, Sandeep, additional, Kurtz, Kirsten S. M., additional, Larney, Francis J., additional, Lewis, Katie L., additional, Liebman, Matt, additional, Ramirez, Antonio Lopez, additional, Machado, Stephen, additional, Maharjan, Bijesh, additional, Gamiño, Miguel Angel Martinez, additional, May, William E., additional, McClaran, Mitchel P., additional, McDaniel, Marshall D., additional, Millar, Neville, additional, Mitchell, Jeffrey P., additional, Moore, Amber D., additional, Moore, Philip A., additional, Gutiérrez, Manuel Mora, additional, Nelson, Kelly A., additional, Omondi, Emmanuel C., additional, Osborne, Shannon L., additional, Alcalá, Leodegario Osorio, additional, Owens, Phillip, additional, Pena‐Yewtukhiw, Eugenia M., additional, Poffenbarger, Hanna J., additional, Lira, Brenda Ponce, additional, Reeve, Jennifer R., additional, Reinbott, Timothy M., additional, Reiter, Mark S., additional, Ritchey, Edwin L., additional, Roozeboom, Kraig L., additional, Rui, Yichao, additional, Sadeghpour, Amir, additional, Sainju, Upendra M., additional, Sanford, Gregg R., additional, Schillinger, William F., additional, Schindelbeck, Robert R., additional, Schipanski, Meagan E., additional, Schlegel, Alan J., additional, Scow, Kate M., additional, Sherrod, Lucretia A., additional, Shober, Amy L, additional, Sidhu, Sudeep S., additional, Moya, Ernesto Solís, additional, Luce, Mervin St., additional, Strock, Jeffrey S., additional, Suyker, Andrew E., additional, Sykes, Virginia R., additional, Tao, Haiying, additional, Campos, Alberto Trujillo, additional, Van Eerd, Laura L., additional, van Es, Harold M, additional, Verhulst, Nele, additional, Vyn, Tony J., additional, Wang, Yutao, additional, Watts, Dexter B., additional, Wright, David L., additional, Zhang, Tiequan, additional, Morgan, Cristine L. S., additional, and Honeycutt, C. Wayne, additional

Published
2023
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14. Selecting soil hydraulic properties as indicators of soil health: Measurement response to management and site characteristics

Author

Bagnall, Dianna K., primary, Morgan, Cristine L. S., additional, Bean, G. Mac, additional, Liptzin, Daniel, additional, Cappellazzi, Shannon B., additional, Cope, Michael, additional, Greub, Kelsey L. H., additional, Rieke, Elizabeth L., additional, Norris, Charlotte E., additional, Tracy, Paul W., additional, Aberle, Ezra, additional, Ashworth, Amanda, additional, Tavarez, Oscar Bañuelos, additional, Bary, Andy I., additional, Baumhardt, R. L., additional, Gracia, Alberto Borbón, additional, Brainard, Daniel C., additional, Brennan, Jameson R., additional, Reyes, Dolores Briones, additional, Bruhjell, Darren, additional, Carlyle, Cameron N., additional, Crawford, James J. W., additional, Creech, Cody F., additional, Culman, Steve W., additional, Deen, Bill, additional, Dell, Curtis J., additional, Derner, Justin D., additional, Ducey, Thomas F., additional, Duiker, Sjoerd W., additional, Dyck, Miles F., additional, Ellert, Benjamin H., additional, Entz, Martin H., additional, Solorio, Avelino Espinosa, additional, Fonte, Steven J., additional, Fonteyne, Simon, additional, Fortuna, Ann‐Marie, additional, Foster, Jamie L., additional, Fultz, Lisa M., additional, Gamble, Audrey V., additional, Geddes, Charles M., additional, Griffin‐LaHue, Deirdre, additional, Grove, John H., additional, Hamilton, Stephen K., additional, Hao, Xiying, additional, Hayden, Zachary D., additional, Honsdorf, Nora, additional, Howe, Julie A., additional, Ippolito, James A., additional, Johnson, Gregg A., additional, Kautz, Mark A., additional, Kitchen, Newell R., additional, Kumar, Sandeep, additional, Kurtz, Kirsten S. M., additional, Larney, Francis J., additional, Lewis, Katie L., additional, Liebman, Matt, additional, Ramirez, Antonio Lopez, additional, Machado, Stephen, additional, Maharjan, Bijesh, additional, Gamiño, Miguel Angel Martinez, additional, May, William E., additional, McClaran, Mitchel P., additional, McDaniel, Marshall D., additional, Millar, Neville, additional, Mitchell, Jeffrey P., additional, Moore, Amber D., additional, Moore, Philip A., additional, Gutiérrez, Manuel Mora, additional, Nelson, Kelly A., additional, Omondi, Emmanuel C., additional, Osborne, Shannon L., additional, Alcalá, Leodegario Osorio, additional, Owens, Philip, additional, Pena‐Yewtukhiw, Eugenia M., additional, Poffenbarger, Hanna J., additional, Lira, Brenda Ponce, additional, Reeve, Jennifer R., additional, Reinbott, Timothy M., additional, Reiter, Mark S., additional, Ritchey, Edwin L., additional, Roozeboom, Kraig L., additional, Rui, Yichao, additional, Sadeghpour, Amir, additional, Sainju, Upendra M., additional, Sanford, Gregg R., additional, Schillinger, William F., additional, Schindelbeck, Robert R., additional, Schipanski, Meagan E., additional, Schlegel, Alan J., additional, Scow, Kate M., additional, Sherrod, Lucretia A., additional, Shober, Amy L., additional, Sidhu, Sudeep S., additional, Moya, Ernesto Solís, additional, St. Luce, Mervin, additional, Strock, Jeffrey S., additional, Suyker, Andrew E., additional, Sykes, Virginia R., additional, Tao, Haiying, additional, Campos, Alberto Trujillo, additional, Van Eerd, Laura L., additional, van Es, Harold M., additional, Verhulst, Nele, additional, Vyn, Tony J., additional, Wang, Yutao, additional, Watts, Dexter B., additional, Wright, David L., additional, Zhang, Tiequan, additional, and Honeycutt, C. Wayne, additional

Published
2022
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16. Impact of Controlled Drainage on Corn Yield Under Varying Precipitation Patterns: A Synthesis of Studies Across the U.S. Midwest and Southeast

Author

Youssef, Mohamed A., primary, Strock, Jeffrey S., additional, Bagheri, Ehsan, additional, Reinhart, Benjamin D., additional, Abendroth, Lori J., additional, Chighladze, Giorgi, additional, Ghane, Ehsan, additional, Shedekar, Vinayak, additional, Fausey, Norman R., additional, Frankenberger, Jane R., additional, Helmers, Matthew J., additional, Jaynes, Dan B., additional, Kladivko, Eileen, additional, Negm, Lamyaa, additional, Nelson, Kelly A., additional, and Pease, Lindsay, additional

Published
2022
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17. Evaluation of Aggregate Stability Methods for Soil Health

Author

Rieke, Elizabeth L., primary, Bagnall, Dianna K., additional, Morgan, Cristine L.S., additional, Flynn, Kade D., additional, Howe, Julie A., additional, Greub, Kelsey L.H., additional, Bean, Gregory M., additional, Cappellazzi, Shannon B., additional, Cope, Michael, additional, Liptzin, Daniel, additional, Norris, Charlotte E., additional, Tracy, Paul W., additional, Aberle, Ezra, additional, Ashworth, Amanda, additional, Bañuelos Tavarez, Oscar, additional, Bary, Andy, additional, Baumhardt, R. L., additional, Borbón Gracia, Alberto, additional, Brainard, Daniel C., additional, Brennan, Jameson R., additional, Briones Reyes, Dolores, additional, Bruhjell, Daniel, additional, Carlyle, Cameron N., additional, Crawford, James J.W., additional, Creech, Cody F., additional, Culman, Steve W., additional, Deen, Bill, additional, Dell, Curtis J., additional, Derner, Justin D., additional, Ducey, Thomas F., additional, Duiker, Sjoerd W., additional, Dyck, Miles F., additional, Ellert, Benjamin H., additional, Entz, Martin H., additional, Espinosa Solorio, Avelino, additional, Fonte, Steven J., additional, Fonteyne, Simon, additional, Fortuna, Ann-Marie, additional, Foster, Jamie L., additional, Fultz, Lisa M., additional, Gamble, Audrey V., additional, Geddes, Charles M., additional, Griffin-LaHue, Deirdre, additional, Grove, John, additional, Hamilton, Stephen K., additional, Hao, Xiying, additional, Hayden, Zachary D., additional, Honsdorf, Nora, additional, Ippolito, James A., additional, Johnson, Gregg A., additional, Kautz, Mark A., additional, Kitchen, Newell R., additional, Kumar, Sandeep, additional, Kurtz, Kirsten S.M., additional, Larney, Francis J., additional, Lewis, Katie L., additional, Liebman, Matt, additional, Lopez Ramirez, Antonio, additional, Machado, Stephen, additional, Maharjan, Bijesh, additional, Martinez Gamiño, Miguel Angel, additional, May, William E., additional, McClaran, Mitchel P., additional, McDaniel, Marshall D., additional, Millar, Neville, additional, Mitchell, Jeffrey P., additional, Moore, Amber D., additional, Moore Jr., Philip A., additional, Mora Gutiérrez, Manuel, additional, Nelson, Kelly A., additional, Omondi, Emmanuel C., additional, Osborne, Shannon L., additional, Osorio Alcalá, Leodegario, additional, Owens, Phillip, additional, Pena-Yewtukhiw, Eugenia, additional, Poffenbarger, Hanna J., additional, Ponce Lira, Brenda, additional, Reeve, Jennifer R., additional, Reinbott, Timothy R., additional, Reiter, Mark S., additional, Ritchey, Edwin L., additional, Roozeboom, Kraig L., additional, Rui, Yichao, additional, Sadeghpour, Amir, additional, Sanju, Upendra M., additional, Sanford, Gregg R., additional, Schillinger, William F., additional, Schindelbeck, Robert R., additional, Schipanski, Meagan E., additional, Schlegel, Alan J., additional, Scow, Kate, additional, Sherrod, Lucretia A., additional, Shober, Amy L., additional, Sidhu, Sudeep S., additional, Solís Moya, Ernesto, additional, St. Luce, Mervin, additional, Strock, Jeffrey S., additional, Suyker, Andrew E., additional, Sykes, Virginia R., additional, Tao, Haiying, additional, Trujillo Campos, Alberto, additional, Van Eerd, Laura L., additional, van Es, Harold M., additional, Verhulst, Nele, additional, Vyn, Tony J., additional, Wang, Yutao, additional, Watts, Dexter B., additional, Wright, David L., additional, Zhang, Tiequan, additional, and Honeycutt, C. Wayne, additional

Published
2022
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19. Drainage water management for water quality protection

Author

Strock, Jeffrey S., Kleinman, Peter J.A., King, Kevin W., and Delgado, Jorge A.

Subjects
Drainage -- Environmental aspects, Water quality -- Environmental aspects, Water -- Management, Water -- Methods
Published
2010

20. Hydrology and nitrogen components of a simple rye growth model

Author

Feyereisen, Gary W., Sands, Gary R., Strock, Jeffrey S., Wilson, Bruce N., and Porter, Paul M.

Subjects
Watershed management -- Analysis, Nitrates -- Environmental aspects, Hydraulic engineering -- Methods, Hydraulic engineering -- Analysis, Engineering and manufacturing industries, Science and technology
Abstract

Cover cropping practices are being researched to reduce artificial subsurface drainage nitrate-nitrogen (nitrate-N) losses from agricultural lands in the upper Mississippi watershed. A soil-plant-atmosphere simulation model, RyeGro, was developed to quantify the influence of a winter cereal rye cover crop on nitrate-N losses given climatic variability in the region. This paper describes the hydrology and nitrogen cycle submodels of RyeGro, which was developed with a low level of complexity and conceptualizes the soil profile as three soil layers. The model was calibrated with data from a three-year rye cover crop field study conducted at Lamberton, Minnesota, and validated with data from a previous study. During model calibration, field subsurface drainage nitrate-N loadings were predicted within 0.2, 0, and 1.6 kg N [ha.sup.-1] (1, 0, and -3%) of measured loadings for the corn-soybean treatment and within 1.2, 0, and 1.6 kg N [ha.sup.-1] (11, 0, and 3%) of measured loadings for the corn-rye-soybean treatment. The model validation showed nitrate-N loading differences of ? and 1 k gN [ha.sup.1] (-22 and 4%) for the two years tested. DOI: 10.1061/(ASCE)0733-9437(2007)133:2(90) CE Database subject headings: Subsurface drainage; Nitrogen; Nitrates; Nutrient loads; Computer models; Soil water storage; Crops; Agriculture.

Published
2007

29. Reduced-nutrient leachates in cash cover crop-soybean systems

Author

Thom, Matthew D., primary, Forcella, Frank, additional, Eberle, Carrie A., additional, Matthees, Heather L., additional, Weyers, Sharon L., additional, Gesch, Russ W., additional, Ott, Matthew A., additional, Feyereisen, Gary W., additional, Strock, Jeffrey S., additional, and Wyse, Don, additional

Published
2018
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37. Managing natural processes in drainage ditches for nonpoint source nitrogen control

Author

Strock, Jeffrey S., Dell, Curtis J., and Schmidt, John P.

Abstract

AbstractIn watersheds dominated by agriculture, artificial drainage systems can efficiently and quickly transport excess water from agricultural soils. The application of more nitrogen (N) than a crop uses creates a surplus in the soil and increases the risk of N loss to the environment. We examine issues associated with agricultural N use, N transfer from artificially drained agricultural land to drainage ditches, N cycling within ditches, and options for management. Watercourses in agricultural watersheds often have high concentrations of N and are effectively N saturated. Numerous processes are involved in N cycling dynamics and transport pathways in aquatic ecosystems including N mineralization, nitrification, and denitrification. Flow control structures can lower N losses related to artificial drainage by increasing water retention time and allowing greater N removal. An ongoing study in Minnesota compares the impact of flow control structures on N losses from paired ditches with and without flow control. During the first year of observation, results were mixed, with lower N concentrations in nonstorm event samples from the ditch with the flow control structure, but no significant difference in annual total N load between the two ditches. Appropriate management of drainage ditches represents a potential opportunity to remove biologically available forms of N from drainage water through a combination of physical and biogeochemical processes.

Published
2007
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38. Improved management of agricultural drainage ditches for water quality protection: An overview

Author

Needelman, Brian A., Kleinman, Peter J. A., Strock, Jeffrey S., and Allen, Arthur L.

Abstract

AbstractAgricultural drainage ditches are essential for the removal of surface and ground water to allow for crop production in poorly drained agricultural landscapes. Ditches also mediate the flow of pollutants from agroecosystems to downstream water bodies. This paper provides an overview of the science, management, and policy of ditches. Ditches provide a unique opportunity to address nonpoint source pollution problems from agriculture due to the concentration of the contaminants and the engineered nature of ditch systems. A better understanding of the nature of these complex system and the technologies available and under development to improve their management will assist in the design and implementation of water quality protection programs.

Published
2007
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