Suat Irmak, Ph.D., Fellow ASABE; Fellow ASCE-EWRI

Suat Irmak, Ph.D., Fellow ASABE; Fellow ASCE-EWRI

  • Professor and Head of Agricultural and Biological Engineering
105A Agricultural Engineering Building
Shortlidge Road

University Park, PA 16802

Areas of Expertise

  • Soil and water resources engineering
  • Impact of climate change on water resources and agro-ecosystem productivity
  • Measurement and modeling of surface energy and water vapor balance
  • Evapotranspiration, transpiration and evaporation
  • Irrigation science and engineering; agro-ecosystem water management
  • Nitrogen management and impacts on water and soil quality
  • Impact of tillage practices on water and energy balance and water productivity
  • Cover crop impact on soil quality (soil health) and water and energy balance
  • Plant abiotic stresses vs productivity
  • Plant phenotyping
  • Measurement and modeling of soil moisture dynamics and soil physical properties
  • Specialty cropping systems
  • Agricultural IoTs

Education

  • Ph.D. Agricultural and Biological Engineering University of Florida, Gainesville, FL
  • MS Soil and Water Resources and Irrigation Engineering Mediterranean University, Antalya/Turkey
  • BSc Agricultural Structures and Irrigation Engineering Cukurova University, Adana/Turkey

Publications

Nocturnal transpiration in field crops
Agricultural Water Management, Kukal, Meetpal S., Irmak, Suat, 2022

Soil Water Dynamics, Effective Rooting Zone, and Evapotranspiration of Sprinkler Irrigated Potato in a Sandy Loam Soil
Agronomy, Djaman, Koffi, Koudahe, Komlan, Saibou, Aminou, Darapuneni, Murali, Higgins, Charles, Irmak, Suat, 2022

Unmanned Aerial System-Based Data Ferrying over a Sensor Node Station Network in Maize
Sensors, Singh, Jasreman, Ge, Yufeng, Heeren, Derek M., Walter-Shea, Elizabeth, Neale, Christopher M.U., Irmak, Suat, Maguire, Mitchell S., 2022

Water Use Characteristics of Weeds
Frontiers in Plant Science, Singh, Mandeep, Kukal, Meetpal Singh, Irmak, Suat, Jhala, Amit J., 2022

Planting date and plant density effects on maize growth, yield and water use efficiency
Environmental Challenges, Djaman, Koffi, Allen, Samuel, Djaman, Dorlote S., Koudahe, Komlan, Irmak, Suat, Puppala, Naveen, Darapuneni, Murali K., Angadi, Sangamesh V., 2022

Evaluation of irrigation scheduling and yield response for wheat cultivars using the AquaCrop model in an arid climate
Water Supply, Amiri, E., Bahrani, A., Irmak, S., Roshan, N. Mohammadiyan, 2022

Soil moisture heterogeneity and sensor deployment in uniformly managed field with unitextural soil
Journal of Production Agriculture, Irmak, Suat, Kukal, Meetpal S., Sharma, Kiran, 2022

Control of acetolactate synthase inhibitor/glyphosate-resistant Palmer amaranth (Amaranthus palmeri) in isoxaflutole/glufosinate/glyphosate-resistant soybean
Weed Technology, Mausbach, Jasmine, Irmak, Suat, Sarangi, Debalin, Lindquist, John, Jhala, Amit J., 2021

Growth phase-specific evaporative demand and nighttime temperatures determine Maize (Zea Mays L.) yield deviations as revealed from a long-term field experiment
Agricultural and Forest Meteorology, Singh, Arshdeep, Kukal, Meetpal S., Shapiro, Charles A., Snow, Daniel D., Irmak, Suat, Iqbal, Javed, 2021

Inter-relationships between water depletion and temperature differential in row crop canopies in a sub-humid climate
Agricultural Water Management, Singh, Jasreman, Ge, Yufeng, Heeren, Derek M., Walter-Shea, Elizabeth, Neale, Christopher M.U., Irmak, Suat, Woldt, Wayne E., Bai, Geng, Bhatti, Sandeep, Maguire, Mitchell S., 2021

Utilizing digital image processing and two-source energy balance model for the estimation of evapotranspiration of dry edible beans in western Nebraska
Irrigation Science, Liang, Wei zhen, Possignolo, Isabella, Qiao, Xin, DeJonge, Kendall, Irmak, Suat, Heeren, Derek, Rudnick, Daran, 2021

Scalable Privacy-preserving Geo-distance Evaluation for Precision Agriculture IoT Systems
ACM Transactions on Sensor Networks, Yan, Qiben, Lou, Jianzhi, Vuran, Mehmet C., Irmak, Suat, 2021

Water Requirement and Crop Coefficients of Young Jatropha curcas L. Trees in a Subtropical Humid Environment
Journal of Irrigation and Drainage Engineering - ASCE, Lena, Bruno Patias, Folegatti, Marcos Vinícius, Flumignan, Danilton Luiz, Irmak, Suat, Francisco, João Paulo, Diotto, Adriano Valentim, Almeida Santos, Otávio Neto, De Sousa Andrade, Irineu Pedro, Junior, Eder Duarte Fanaya, Alves Marques, Patrícia Angélica, Júnior, Cícero Renê Almeida Barboza, 2021

Chilling and heat accumulation of fruit and nut trees and flower bud vulnerability to early spring low temperatures in new mexico
Sustainability (Switzerland), Djaman, Koffi, Koudahe, Komlan, Darapuneni, Murali, Irmak, Suat, 2021

Irrigation management in potato (Solanum tuberosum l.) production
Sustainability (Switzerland), Djaman, Koffi, Irmak, Suat, Koudahe, Komlan, Allen, Samuel, 2021

MAIZE CROP COEFFICIENTS UNDER VARIABLE AND FIXED (UNIFORM) RATE IRRIGATION AND CONVENTIONAL AND VARIABLE RATE FERTILIZER MANAGEMENT IN THREE SOIL TYPES
Agricultural Water Management, Irmak, Suat, Sharma, Vasudha, Haghverdi, Amir, Jhala, Amit, Payero, José O., Drudik, Matthew, 2021

Performance assessment of Hybrid-Maize model for rainfed, limited and full irrigation conditions
Agricultural Water Management, Sandhu, Rupinder, Irmak, Suat, 2020

A Statistical Impulse Response Model Based on Empirical Characterization of Wireless Underground Channels
IEEE Transactions on Wireless Communications, Salam, Abdul, Vuran, Mehmet C., Irmak, Suat, 2020

Spatio-temporal calibration of Hargreaves-Samani model to estimate reference evapotranspiration across U.S. High Plains
Journal of Production Agriculture, Kukal, M. S., Irmak, S., Walia, H., Odhiambo, L., 2020

Temporal trend analysis of meteorological variables and reference evapotranspiration in the inter-mountain Region of Wyoming
Water (Switzerland), Sharma, Vivek, Nicholson, Christopher, Bergantino, Antony, Irmak, Suat, Peck, Dannele, 2020

Control of velvetleaf (Abutilon theophrasti) at two heights with POST herbicides in Nebraska popcorn
Weed Technology, Barnes, Ethann R., Knezevic, Stevan Z., Lawrence, Nevin C., Irmak, Suat, Rodriguez, Oscar, Jhala, Amit J., 2020

Cover crop productivity and subsequent soybean yield in the western Corn Belt
Journal of Production Agriculture, Koehler-Cole, Katja, Elmore, Roger W., Blanco-Canqui, Humberto, Francis, Charles A., Shapiro, Charles A., Proctor, Christopher A., Ruis, Sabrina J., Heeren, Derek M., Irmak, Suat, Ferguson, Richard B., 2020

Dose response of yellow and white popcorn hybrids to glyphosate, a premix of 2,4-D choline and glyphosate, or dicamba
Journal of Production Agriculture, Barnes, Ethann R., Lawrence, Nevin C., Knezevic, Stevan Z., Irmak, Suat, Rodriguez, Oscar, Jhala, Amit J., 2020

Impact of irrigation on interannual variability in United States agricultural productivity
Agricultural Water Management, Kukal, M. S., Irmak, S., 2020

Light interactions, use and efficiency in row crop canopies under optimal growth conditions
Agricultural and Forest Meteorology, Kukal, M. S., Irmak, S., 2020

Evidence of arithmetical uncertainty in estimation of light and water use effciency
Sustainability (Switzerland), Kukal, Meetpal S., Irmak, Suat, 2020

Perspectives on global water security
Transactions of the ASABE, Harmel, R. D., Chaubey, I., Ale, S., Nejadhashemi, A. P., Irmak, S., DeJonge, K. C., Evett, S. R., Barnes, E. M., Catley-Carlson, M., Hunt, S., Mani, I., 2020

Challenges and opportunities for education in irrigation engineering
Transactions of the ASABE, Porter, D. O., Irmak, S., Lamm, F., Marek, T. H., Rein, B., 2020

Irrigation scheduling for agriculture in the united states
Transactions of the ASABE, Taghvaeian, S., Andales, A. A., Allen, L. N., Kisekka, I., O’Shaughnessy, S. A., Porter, D. O., Sui, R., Irmak, S., Fulton, A., Aguilar, J., 2020

Evaluation of soil moisture sensing technologies in silt loam and loamy sand soils
Transactions of the ASABE, Sharma, K., Irmak, S., Kukal, M. S., Vuran, M. C., Jhala, A., Qiao, X., 2020

Global water security
Transactions of the ASABE, Ale, S., Harmel, R. D., Nejadhashemi, A. P., DeJonge, K. C., Irmak, S., Chaubey, I., Douglas-Mankin, K. R., 2020

Interrelationships between water use efficiency and light use efficiency in four row crop canopies
Agrosystems, Geosciences and Environment, Kukal, Meetpal S., Irmak, Suat, 2020

Weed control and response of yellow and white popcorn hybrids to herbicides
Journal of Production Agriculture, Barnes, Ethann R., Lawrence, Nevin C., Knezevic, Stevan Z., Rodriguez, Oscar, Irmak, Suat, Jhala, Amit J., 2020

Preemergence herbicide delays the critical time of weed removal in popcorn
Weed Technology, Barnes, Ethann R., Knezevic, Stevan Z., Lawrence, Nevin C., Irmak, Suat, Rodriguez, Oscar, Jhala, Amit J., 2019

Correction to
Irrigation Science, Chatterjee, Sumantra, Irmak, Suat, Payero, Jose O., Kilic, Ayse, Odhiambo, Lameck O., Rudnick, Daran, Sharma, Vivek, Billesbach, David, 2019

A Theoretical Model of Underground Dipole Antennas for Communications in Internet of Underground Things
IEEE Transactions on Antennas and Propagation, Salam, Abdul, Vuran, Mehmet C., Dong, Xin, Argyropoulos, Christos, Irmak, Suat, 2019

Disk-till vs. no-till maize evapotranspiration, microclimate, grain yield, production functions and water productivity
Agricultural Water Management, Irmak, Suat, Kukal, Meetpal S., Mohammed, Ali T., Djaman, Koffi, 2019

NU-Spidercam
Computers and Electronics in Agriculture, Bai, Geng, Ge, Yufeng, Scoby, David, Leavitt, Bryan, Stoerger, Vincent, Kirchgessner, Norbert, Irmak, Suat, Graef, George, Schnable, James, Awada, Tala, 2019

Quantifying and correcting for clay content effects on soil water measurement by reflectometers
Agricultural Water Management, Singh, J., Lo, T., Rudnick, D. R., Irmak, S., Blanco-Canqui, H., 2019

Net Ecosystem Exchange (NEE) simulation in maize using artificial neural networks
IFAC Journal of Systems and Control, Safa, Babak, Arkebauer, Timothy J., Zhu, Qiuming, Suyker, Andy, Irmak, Suat, 2019

Di-Sense
Computer Networks, Salam, Abdul, Vuran, Mehmet C., Irmak, Suat, 2019

Spatiotemporal magnitudes and trends of cover-crop evapotranspiration in Nebraska, Iowa, and Kansas
Journal of Irrigation and Drainage Engineering - ASCE, Sharma, Vasudha, Irmak, Suat, 2019

Deficit Irrigation Management of Maize in the High Plains Aquifer Region
Journal of the American Water Resources Association, Rudnick, D. R., Irmak, S., West, C., Chávez, J. L., Kisekka, I., Marek, T. H., Schneekloth, J. P., Mitchell McCallister, D., Sharma, V., Djaman, K., Aguilar, J., Schipanski, M. E., Rogers, D. H., Schlegel, A., 2019

Impact of air temperature and relative humidity measured over rice and grass canopies on Penman-Monteith reference evapotranspiration estimates
Journal of Irrigation and Drainage Engineering - ASCE, Djaman, Koffi, Sall, Mamadou, Sow, Abdoulaye, Manneh, Baboucarr, Irmak, Suat, 2019

Time-domain and frequency-domain reflectometry type soil moisture sensor performance and soil temperature effects in fine- And coarse-textured soils
Applied Engineering in Agriculture, Zhu, Yan, Irmak, Suat, Jhala, Amit J., Vuran, Mehmet C., Diotto, Adriano, 2019

Irrigation-limited yield gaps
Environmental Research Communications, Kukal, Meetpal S., Irmak, Suat, 2019

Actual evapotranspiration and crop coefficients of irrigated lowland rice (Oryza sativa L.) under semiarid climate
Italian Journal of Agronomy, Djaman, Koffi, Rudnick, Daran R., Moukoumbi, Yonnelle D., Sow, Abdoulaye, Irmak, Suat, 2019

Energy conservation using variable frequency drives for center-pivot irrigation systems equipped with corner watering attachments
Transactions of the ASABE, Brar, D., Kranz, W. L., Lo, T., Irmak, S., Martin, D. L., 2019

Interspecific and intraspecific transference of metabolism-based mesotrione resistance in dioecious weedy Amaranthus
Plant Journal, Oliveira, Maxwel C., Gaines, Todd A., Patterson, Eric L., Jhala, Amit J., Irmak, Suat, Amundsen, Keenan, Knezevic, Stevan Z., 2018

U.S. Agro-Climate in 20th Century
Scientific Reports, Kukal, Meetpal S., Irmak, Suat, 2018

Internet of underground things in precision agriculture
Ad Hoc Networks, Vuran, Mehmet C., Salam, Abdul, Wong, Rigoberto, Irmak, Suat, 2018

Effects of cover crops on soil quality
Journal of Soils and Water Conservation, Sharma, V., Irmak, S., Padhi, J., 2018

Effects of cover crops on soil quality
Journal of Soils and Water Conservation, Sharma, V., Irmak, S., Padhi, J., 2018

Latent heat and sensible heat flux simulation in maize using artificial neural networks
Computers and Electronics in Agriculture, Safa, Babak, Arkebauer, Timothy J., Zhu, Qiuming, Suyker, Andy, Irmak, Suat, 2018

An integrated modeling framework for crop and biofuel systems using the DSSAT and GREET models
Environmental Modelling and Software, Anderson, Ryan, Keshwani, Deepak, Guru, Ashu, Yang, Haishun, Irmak, Suat, Subbiah, Jeyamkondan, 2018

Comparison of sum-of-hourly and daily time step standardized ASCE Penman-Monteith reference evapotranspiration
Theorectical and Applied Climatology, Djaman, Koffi, Irmak, Suat, Sall, Mamadou, Sow, Abdoulaye, Kabenge, Isa, 2018

Cover crops have negligible impact on soil water in Nebraska Maize–Soybean rotation
Journal of Production Agriculture, Barker, J. Burdette, Heeren, Derek M., Koehler-Cole, Katja, Shapiro, Charles A., Blanco-Canqui, Humberto, Elmore, Roger W., Proctor, Christopher A., Irmak, Suat, Francis, Charles A., Shaver, Tim M., Mohammed, Ali T., 2018

Extending Extension's outreach
Journal of Extension, Ringenberg, Deanna, Kranz, William, Irmak, Suat, Dvorak, Bruce, 2018

Control of Photosystem II-and 4-hydroxyphenylpyruvate dioxygenase inhibitor-resistant palmer amaranth (amaranthus palmeri) in conventional corn
Weed Technology, Chahal, Parminder S., Irmak, Suat, Gaines, Todd, Amundsen, Keenan, Jugulam, Mithila, Jha, Prashant, Travlos, Ilias S., Jhala, Amit J., 2018

Effects of alternatewetting and drying irrigation regime and nitrogen fertilizer on yield and nitrogen use efficiency of irrigated rice in the Sahel
Water (Switzerland), Djaman, Koffi, Mel, Valere C., Diop, Lamine, Sow, Abdoulaye, El-Namaky, Raafat, Manneh, Baboucarr, Saito, Kazuki, Futakuchi, Koichi, Irmak, Suat, 2018

Internet of underground things, Vuran, Mehmet C., Salam, Abdul, Wong, Rigoberto, Irmak, Suat, 2018

Crop evapotranspiration, irrigation water requirement and water productivity of maize from meteorological data under semiarid climate
Water (Switzerland), Djaman, Koffi, O'Neill, Michael, Owen, Curtis K., Smeal, Daniel, Koudahe, Komlan, West, Margaret, Allen, Samuel, Lombard, Kevin, Irmak, Suat, 2018

Impacts of cover crops on soil physical properties
Transactions of the ASABE, Irmak, S., Sharma, V., Mohammed, A. T., Djaman, K., 2018

Long-term winter wheat (Triticum aestivum L.) seasonal irrigation amount, evapotranspiration, yield, and water productivity under semiarid climate
Agronomy, Djaman, Koffi, O’Neill, Michael, Owen, Curtis, Smeal, Daniel, West, Margaret, Begay, Dallen, Allen, Samuel, Koudahe, Komlan, Irmak, Suat, Lombard, Kevin, 2018

SPRIDE, Yan, Qiben, Yang, Hao, Vuran, Mehmet C., Irmak, Suat, 2017

Soil-water dynamics, evapotranspiration, and crop coefficients of cover-crop mixtures in seed maize cover-crop rotation fields. I
Journal of Irrigation and Drainage Engineering - ASCE, Sharma, Vasudha, Irmak, Suat, Sharma, Vivek, Djaman, Koffi, Odhiambo, Lameck, 2017

Long-term spatial and temporal maize and soybean evapotranspiration trends derived from ground-based and satellite-based datasets over the great plains
Journal of Irrigation and Drainage Engineering - ASCE, Kukal, Meetpal, Irmak, Suat, Kilic, Ayse, 2017

Soil-water dynamics, evapotranspiration, and crop coefficients of cover-crop mixtures in seed maize cover-crop rotation fields. II
Journal of Irrigation and Drainage Engineering - ASCE, Sharma, Vasudha, Irmak, Suat, 2017

Towards Internet of Underground Things in smart lighting, Salam, Abdul, Vuran, Mehmet C., Irmak, Suat, 2017

Evapotranspiration, irrigation water requirement, and water productivity of rice (Oryza sativa L.) in the Sahelian environment
Paddy and Water Environment, Djaman, Koffi, Mel, Valere C., Balde, Alpha B., Bado, Boubie V., Manneh, Baboucarr, Diop, Lamine, Mutiibwa, Denis, Rudnick, Daran R., Irmak, Suat, Futakuchi, Koichi, 2017

Mesoscale modeling of the meteorological impacts of irrigation during the 2012 central plains drought
Journal of Applied Meteorology and Climatology, Aegerter, Clint, Wang, Jun, Ge, Cui, Irmak, Suat, Oglesby, Robert, Wardlow, Brian, Yang, Haishun, You, Jingshen, Shulski, Martha, 2017

Long-term trend analysis in climate variables and agricultural adaptation strategies to climate change in the Senegal River Basin
International Journal of Climatology, Djaman, Koffi, Balde, Alpha B., Rudnick, Daran R., Ndiaye, Ousmane, Irmak, Suat, 2017

Daily reference evapotranspiration estimation under limited data in eastern Africa
Journal of Irrigation and Drainage Engineering - ASCE, Djaman, Koffi, Irmak, Suat, Futakuchi, Koichi, 2017

Pollen-mediated gene flow from glyphosate-resistant common waterhemp (Amaranthus rudis Sauer)
Scientific Reports, Sarangi, Debalin, Tyre, Andrew J., Patterson, Eric L., Gaines, Todd A., Irmak, Suat, Knezevic, Stevan Z., Lindquist, John L., Jhala, Amit J., 2017

Impact of irrigation, surface residue cover and plant population on sugarbeet growth and yield, irrigation water use efficiency and soil water dynamics
Agricultural Water Management, Haghverdi, Amir, Yonts, C. Dean, Reichert, David L., Irmak, Suat, 2017

Comparison of Herbicide Programs for Season-Long Control of Glyphosate-Resistant Common Waterhemp (Amaranthus rudis) in Soybean
Weed Technology, Sarangi, Debalin, Sandell, Lowell D., Kruger, Greg R., Knezevic, Stevan Z., Irmak, Suat, Jhala, Amit J., 2017

Confirmation and Control of HPPD-Inhibiting Herbicide-Resistant Waterhemp (Amaranthus tuberculatus) in Nebraska
Weed Technology, Oliveira, Maxwel C., Jhala, Amit J., Gaines, Todd, Irmak, Suat, Amundsen, Keenan, Scott, Jon E., Knezevic, Stevan Z., 2017

Energy conservation using variable-frequency drives for center-pivot irrigation
Transactions of the ASABE, Brar, D., Kranz, W. L., Lo, T., Irmak, S., Martin, D. L., 2017

Analyses, calibration and validation of evapotranspiration models to predict grass-reference evapotranspiration in the Senegal river delta
Journal of Hydrology: Regional Studies, Djaman, Koffi, Tabari, Hossein, Balde, Alpha B., Diop, Lamine, Futakuchi, Koichi, Irmak, Suat, 2016

Evaluation of FAO-56 penman-monteith model with limited data and the valiantzas models for estimating grass-reference evapotranspiration in Sahelian conditions
Journal of Irrigation and Drainage Engineering - ASCE, Djaman, Koffi, Irmak, Suat, Kabenge, Isa, Futakuchi, Koichi, 2016

Pulses in the sand, Salam, Abdul, Vuran, Mehmet C., Irmak, Suat, 2016

A multi-sensor view of the 2012 central plains drought from space
Frontiers in Environmental Science, Wang, Jun, Kessner, Amy L., Aegerter, Clint, Sharma, Ambrish, Judd, Laura, Wardlow, Brian, You, Jinsheng, Shulski, Martha, Irmak, Suat, Kilic, Ayse, Zeng, Jing, 2016

Economic return versus crop water productivity of maize for various nitrogen rates under full irrigation, limited irrigation, and rainfed settings in south central Nebraska
Journal of Irrigation and Drainage Engineering - ASCE, Rudnick, Daran, Irmak, Suat, Ferguson, Richard, Shaver, Tim, Djaman, Koffi, Slater, Glen, Bereuter, Aaron, Ward, Nicholas, Francis, Dennis, Schmer, Marty, Wienhold, Brian, Donk, Simon Van, 2016

Reference (potential) evapotranspiration. I
Journal of Irrigation and Drainage Engineering - ASCE, Gabriela Arellano, M., Irmak, Suat, 2016

Reference (potential) evapotranspiration. II
Journal of Irrigation and Drainage Engineering - ASCE, Irmak, Suat, Gabriela Arellano, M., 2016

Large-scale spatial and temporal variability in evapotranspiration, crop water-use efficiency, and evapotranspiration water-use efficiency of irrigated and rainfed maize and soybean
Journal of Irrigation and Drainage Engineering - ASCE, Sharma, Vivek, Irmak, Suat, Djaman, Koffi, Sharma, Vasudha, 2016

Impact of scale/resolution on evapotranspiration from Landsat and MODIS images
Water Resources Research, Sharma, Vivek, Kilic, Ayse, Irmak, Suat, 2016

Ecosystem evapotranspiration
Transactions of the ASABE, Amatya, D. M., Irmak, S., Gowda, P., Sun, G., Nettles, J. E., Douglas-Mankin, K. R., 2016

Effect of Water Stress on the Growth and Fecundity of Common Waterhemp (Amaranthus rudis)
Weed Science, Sarangi, Debalin, Irmak, Suat, Lindquist, John L., Knezevic, Stevan Z., Jhala, Amit J., 2016

Quantification and mapping of surface residue cover for maize and soybean fields in south central Nebraska
Transactions of the ASABE, Sharma, V., Irmak, S., Kilic, A., Sharma, V., Gilley, J. E., Meyer, G. E., Knezevic, S. Z., Marx, D., 2016

Trade-offs between winter cover crop production and soil water depletion in the San Joaquin Valley, California
Journal of Soils and Water Conservation, Mitchell, J. P., Shrestha, A., Irmak, S., 2015

Relative evaporative losses and water balance in subsurface drip and center pivot-irrigated soybean fields
Journal of Irrigation and Drainage Engineering - ASCE, Odhiambo, L. O., Irmak, S., 2015

Evaluation of sixteen reference evapotranspiration methods under sahelian conditions in the Senegal River Valley
Journal of Hydrology: Regional Studies, Djaman, Koffi, Balde, Alpha B., Sow, Abdoulaye, Muller, Bertrand, Irmak, Suat, N'Diaye, Mamadou K., Manneh, Baboucarr, Moukoumbi, Yonnelle D., Futakuchi, Koichi, Saito, Kazuki, 2015

Confirmation and control of glyphosate-resistant common waterhemp (Amaranthus rudis) in Nebraska
Weed Technology, Sarangi, Debalin, Sandell, Lowell D., Knezevic, Stevan Z., Aulakh, Jatinder S., Lindquist, John L., Irmak, Suat, Jhala, Amit J., 2015

Winter wheat (Triticum aestivum L.) evapotranspiration and single (normal) and basal crop coefficients
Transactions of the ASABE, Irmak, Suat, Djaman, Koffi, Sharma, Vivek, 2015

Performance analysis of capacitance and electrical resistance-type soil moisture sensors in a silt loam soil
Transactions of the ASABE, Rudnick, D. R., Djaman, K., Irmak, S., 2015

Soybean irrigation management
Crop Science, Torrion, Jessica A., Setiyono, Tri D., Graef, George L., Cassman, Kenneth G., Irmak, Suat, Specht, James E., 2014

On the magnitude and dynamics of eddy covariance system residual energy (energy balance closure error) in subsurface drip-irrigated maize field during growing and non-growing (dormant) seasons
Irrigation Science, Irmak, Suat, Payero, Jose O., Kilic, Ayse, Odhiambo, Lameck O., Rudnick, Daran, Sharma, Vivek, Billesbach, David, 2014

Soybean yield, evapotranspiration, water productivity, and soil water extraction response to subsurface drip irrigation and fertigation
Transactions of the ASABE, Irmak, S., Specht, J. E., Odhiambo, L. O., Rees, J. M., Cassman, K. G., 2014

Spatial and temporal maize soil water extraction (Depletion) dynamics
Transactions of the ASABE, Rudnick, D. R., Irmak, S., 2014

Spatial and temporal maize soil water extraction (Depletion) dynamics
Transactions of the ASABE, Rudnick, D. R., Irmak, S., 2014

A review of the Bowen ratio surface energy balance method for quantifying evapotranspiration and other energy fluxes
Transactions of the ASABE, Irmak, Suat, Skaggs, Karie E., Chatterjee, Sumantra, 2014

Daily energy fluxes, evapotranspiration and crop coefficient of soybean
Agricultural Water Management, Payero, José O., Irmak, Suat, 2013

Common reed (Phragmites australis) control is influenced by the timing of herbicide application
Tropical Pest Management, Knezevic, Stevan Z., Rapp, Ryan E., Datta, Avishek, Irmak, Suat, 2013

Plant nutrient uptake and soil nutrient dynamics under full and limited irrigation and rainfed maize production
Journal of Production Agriculture, Djaman, K., Irmak, S., Martin, D. L., Ferguson, R. B., Bernards, M. L., 2013

Surface energy balance model of transpiration from variable canopy cover and evaporation from residue-covered or bare soil systems
Irrigation Science, Lagos, Luis Octavio, Martin, Derrel L., Verma, Shashi B., Irmak, Suat, Irmak, Ayse, Eisenhauer, Dean, Suyker, Andrew, 2013

Variable rate irrigation and nitrogen fertilization of maize across landscape positions, Ferguson, R., Schmer, M., Shaver, T., Wienhold, B., Van Donk, S., Irmak, S., Rudnick, D., Ward, N., Jin, V., Francis, D., Bereuter, A., Hendrickson, L., 2013

Maize evapotranspiration, yield production functions, biomass, grain yield, harvest index, and yield response factors under full and limited irrigation
Transactions of the ASABE, Djaman, K., Irmak, S., Rathje, W. R., Martin, D. L., Eisenhauer, D. E., 2013

Transferability of jarvis-type models developed and re-parameterized for maize to estimate stomatal resistance of soybean
Transactions of the ASABE, Mutiibwa, D., Irmak, S., 2013

Evapotranspiration and surface energy balance of a common reed-dominated riparian system in the platte river Basin, Central Nebraska
Transactions of the ASABE, Kabenge, I., Irmak, S., Meyer, G. E., Gilley, J. E., Knezevic, S., Arkebauer, T. J., Woodward, D., Moravek, M., 2013

Soybean root development relative to vegetative and reproductive phenology
Journal of Production Agriculture, Torrion, Jessica A., Setiyono, Tri D., Cassman, Kenneth G., Ferguson, Richard B., Irmak, Suat, Specht, James E., 2012

Soil water extraction patterns and crop, irrigation, and evapotranspiration water use efficiency of maize under full and limited irrigation and rainfed settings
Transactions of the ASABE, Djaman, K., Irmak, S., 2012

Mapping spatially interpolated precipitation, reference evapotranspiration, actual crop evapotranspiration, and net irrigation requirements in Nebraska
Transactions of the ASABE, Sharma, V., Irmak, S., 2012

Large-scale on-farm implementation of soil moisture-based irrigation management strategies for increasing maize water productivity
Transactions of the ASABE, Irmak, S., Burgert, M. J., Yang, H. S., Cassman, K. G., Walters, D. T., Rathje, W. R., Payero, J. O., Grassini, P., Kuzila, M. S., Brunkhorst, K. J., Eisenhauer, D. E., Kranz, W. L., Van De Walle, B., Rees, J. M., Zoubek, G. L., Shapiro, C. A., Teichmeier, G. J., 2012

Mapping spatially interpolated precipitation, reference evapotranspiration, actual crop evapotranspiration, and net irrigation requirements in Nebraska
Transactions of the ASABE, Sharma, V., Irmak, S., 2012

Integrated management of common reed (Phragmites australis) along the Platte River in Nebraska
Weed Technology, Rapp, Ryan E., Datta, Avishek, Irmak, Suat, Arkebauer, Timothy J., Knezevic, Stevan Z., 2012

Connecting soil to the cloud, Tooker, John, Dong, Xin, Vuran, Mehmet C., Irmak, Suat, 2012

Sensitivity of grass-and alfalfa-reference evapotranspiration to weather station sensor accuracy
Applied Engineering in Agriculture, Porter, D., Gowda, P., Marek, T., Howell, T., Moorhead, J., Irmak, S., 2012

Comparison of ET from two remote sensing-based surface energy models in south central Nebraska, Akasheh, O. Z., Irmak, A., Irmak, S., Ratcliffe, I., Singh, R., Ranade, P., Gowda, P. H., 2012

Dynamics of depression storage during sprinkler irrigation and precipitation events, McKinney, Michael B., Eisenhauer, Dean E., Irmak, Suat, Gilley, John E., Kranz, William L., Martin, Derrel L., 2012