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1. Association of a high-fat diet with I-FABP as a biomarker of intestinal barrier dysfunction driven by metabolic changes in Wistar rats

Author

Aisha Mahmood, Muhammad Naeem Faisal, Junaid Ali Khan, Humaira Muzaffar, Faqir Muhammad, Jazib Hussain, Jawad Aslam, and Haseeb Anwar

Subjects
High-fat diet, Metabolic disorders, Obesity, Dyslipidemia, Intestinal fatty acid binding protein, Insulin and leptin resistance, Nutritional diseases. Deficiency diseases, RC620-627
Abstract

Abstract Background The epithelial lining of the gut expresses intestinal fatty-acid binding proteins (I-FABPs), which increase in circulation and in plasma concentration during intestinal damage. From the perspective of obesity, the consumption of a diet rich in fat causes a disruption in the integrity of the gut barrier and an increase in its permeability. Hypothesis There is an association between the expression of I-FABP in the gut and various metabolic changes induced by a high-fat (HF) diet. Methods Wistar albino rats (n = 90) were divided into three groups (n = 30 per group), viz. One control and two HF diet groups (15 and 30%, respectively) were maintained for 6 weeks. Blood samples were thus collected to evaluate the lipid profile, blood glucose level and other biochemical tests. Tissue sampling was conducted to perform fat staining and immunohistochemistry. Results HF diet-fed rats developed adiposity, insulin resistance, leptin resistance, dyslipidemia, and increased expression of I-FABP in the small intestine compared to the control group. Increased I-FABP expression in the ileal region of the intestine is correlated significantly with higher fat contents in the diet, indicating that higher I-FABP expression occurs due to increased demand of enterocytes to transport lipids, leading to metabolic alterations. Conclusion In summary, there is an association between the expression of I-FABP and HF diet-induced metabolic alterations, indicating that I-FABP can be used as a biomarker for intestinal barrier dysfunction.

Published
2023
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2. Genetic insights into biological mechanisms governing human ovarian ageing

Author

Unnur Styrkarsdottir, Lynda M. Rose, Rehannah Borup, Anne B. Newman, Georgia Chenevix-Trench, Chikashi Terao, Jeremy A. Daniel, Christa Meisinger, Albert V. Smith, Emil Peter Thrane Hertz, Raymond Noordam, Wei He, Jennifer A. Smith, Mikael Eriksson, Konstantin Strauch, Daniel I. Chasman, Nicholas J. Timpson, Melissa A. Troester, Claudia Langenberg, Montserrat Garcia-Closas, Mohammad Arfan Ikram, Sara Lindström, Gad Rennert, Pascal Guénel, Kristina W. Olsen, Pierre Fontanillas, Ozren Polasek, Daniel F. Gudbjartsson, Frank B. Hu, Archie Campbell, Celine M. Vachon, Sheila Ulivi, Robin N Beaumont, Robert Karlsson, Lenore J. Launer, Renée de Mutsert, Annette Peters, David Schlessinger, Stefania Bandinelli, Rico Rueedi, Joop S.E. Laven, Pascal Timshel, Joanne M. Murabito, Kuang Lin, Jazib Hussain, Dennis O. Mook-Kanamori, Manjeet K. Bolla, Catherine E. Aiken, Javier Martin Gonzalez, Simon S. Cross, Immaculata De Vivo, Paul M. Ridker, Christopher A. Haiman, Gerardo Heiss, Jessica Tyrrell, Paul R. H. J. Timmers, Hironori Abe, Mike A. Nalls, Luigi Ferrucci, Natalia Perjakova, Jouke J. Hottenga, Robin G. Walters, Reedik Mägi, Niclas Håkansson, Miriam Dwek, Barbara McKnight, Sandra Turon, Stasa Stankovic, Linda Broer, Stephen J. Chanock, Martina La Bianca, Jenny Chang-Claude, Loic Le Marchand, Hamdi Mbarek, Doris Stöckl, Andrew F. Olshan, Graham G. Giles, James F. Wilson, Micaella Joaquim, Amruta Shrikhande, Eva Hoffmann, Stefania Benonisdottir, Ana Martínez-Marchal, Anthony J. Swerdlow, David Karasik, Nicholas J. Wareham, Peter A. Fasching, Jane L. Tarry-Adkins, Charles Kooperberg, Peter Vollenweider, Douglas F. Easton, Paula Aguilera, Jessica D. Faul, Patrik K. E. Magnusson, Emmanouil Saloustros, Alpa V. Patel, Ellen W. Demerath, Qin Wang, Aditya Sankar, Christopher G. Scott, Iffat Rahman, Sharon L.R. Kardia, Peter K. Joshi, Caterina Barbieri, Claus Yding Andersen, Tõnu Esko, Massimo Mezzavilla, Nicholas G. Martin, Rebecca D. Jackson, Alison D. Murray, Marina Ciullo, Nicholas Bowker, Anna Murray, Patrick Deelen, Zoltán Kutalik, Alicja Wolk, Manuela Gago-Dominguez, Eleonora Porcu, Laura Crisponi, Michela Traglia, Katharina E. Schraut, Antonietta Robino, Chunyan He, Bruce H. R. Wolffenbuttel, Henry Völzke, Daniela Ruggiero, John R. B. Perry, Lude Franke, Igor Rudan, Angela Cox, Unnur Þorsteinsdottir, Christian Gieger, David R. Weir, Jodie N. Painter, Martha S. Linet, Massimo Mangino, Melissa C. Southey, Petr Solc, Tim D. Spector, Christiana Kartsonaki, Momoko Horikoshi, Meir J. Stampfer, Eulalia Catamo, Mònica Ferrer-Roda, Ko Willems van Dijk, Daniela Toniolo, Caroline Hayward, Lili Milani, Chloé Sarnowski, Jian'an Luan, Behrooz Z. Alizadeh, Jenny A. Visser, Stig E. Bojesen, Genevieve Lachance, Ulrike Peters, Antonella Mulas, John J. Spinelli, Elnaz Naderi, Andrew R. Wood, Paul D.P. Pharoah, Elinor J. Sawyer, Annique Claringbould, Saleh Shekari, David G. Hunter, Marie Louise Grøndahl, Vilmundur Gudnason, Nora Franceschini, Dale P. Sandler, Dale R. Nyholt, Jacques E. Rossouw, Amber N. Wilcox, Thomas U. Ahearn, Hedy S. Rennert, Olivier B. Bakker, Jingmei Li, Francesco Cucca, Eric Boerwinkle, Matthias W. Beckmann, Cristina Menni, Minouk J. Schoemaker, Esther M. John, Tune H. Pers, Andrés J. López-Contreras, Tanguy Corre, Jonathan Marten, Alice M. Arnold, N. Charlotte Onland-Moret, Lucie Knoblochova, Anna Pujol, Kathryn L. Lunetta, Marjanka K. Schmidt, Teresa Nutile, Serena Sanna, Gonneke Willemsen, Roger L. Milne, Kristan J. Aronson, Frits R. Rosendaal, Murielle Bochud, Ken K. Ong, Susan M. Ring, Nancy L. Pedersen, Blair H. Smith, Ivana Kolcic, Annelie Augustinsson, Jose E. Castelao, Alexander Teumer, Felix R. Day, Sven Bergmann, Timothy M. Frayling, Lauren R. Teras, George Davey Smith, Thomas Meitinger, Alison M. Dunning, Ignasi Roig, Dorret I. Boomsma, Harald Grallert, Toshiko Tanaka, Katherine S. Ruth, Julie E. Buring, Marek Zygmunt, Uwe Völker, Irene L. Andrulis, Håkan Olsson, Harry Campbell, Cari M. Kitahara, Annika Lindblom, Yvonne T. van der Schouw, Cinzia Sala, Debbie A Lawlor, Joe Dennis, Yongmei Liu, Yan Huang, Stephen Burgess, Brumat Marco, Veronique Vitart, Kari Stefansson, Susan E. Ozanne, Kamila Czene, Simin Liu, John L. Hopper, Joyce B. J. van Meurs, Satoshi H. Namekawa, Miya Kudo Høffding, Fergus J. Couch, Ajuna Azad, Eco J. C. de Geus, Liming Li, Grant W. Montgomery, Peter Kraft, André G. Uitterlinden, Arto Mannermaa, Heiko Becher, Allison W. Kurian, Vallari Shukla, Zhengming Chen, Per Hall, Jennifer A. Brody, Rossella Sorice, Wei Zhao, Andres Metspalu, Sarah E. Medland, Tricia Lindstrom, Clarice R. Weinberg, Bruce M. Psaty, Thérèse Truong, Anna Marie Mulligan, Deborah J. Thompson, Patrick Sulem, Internal Medicine, Epidemiology, Obstetrics & Gynecology, Hoffmann, Eva R [0000-0002-2588-0652], Murray, Anna [0000-0002-2351-2522], Roig, Ignasi [0000-0003-0313-3581], Perry, John RB [0000-0001-6483-3771], Apollo - University of Cambridge Repository, Life Course Epidemiology (LCE), Real World Studies in PharmacoEpidemiology, -Genetics, -Economics and -Therapy (PEGET), Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Center for Liver, Digestive and Metabolic Diseases (CLDM), Stem Cell Aging Leukemia and Lymphoma (SALL), Biological Psychology, APH - Mental Health, APH - Methodology, APH - Personalized Medicine, and APH - Health Behaviors & Chronic Diseases

Subjects
Gerontology, Aging, Far East, Endocrinology, Diabetes and Metabolism, Menopause, Premature, Genome-wide association study, VARIANTS, Primary Ovarian Insufficiency, Inbred C57BL, Bioinformatics, DISEASE, Healthy Aging, genetics of ovarian aging, Fragile X Mental Retardation Protein, Mice, Endocrinology, Medicine, EARLY MENOPAUSE, media_common, RISK, Multidisciplinary, Asia, Eastern, Reproduction, Longevity, Middle Aged, Europe, MENDELIAN RANDOMIZATION, Medical genetics, Female, ICEP, Menopause, Adult, Alleles, Animals, Bone and Bones, Checkpoint Kinase 1, Checkpoint Kinase 2, Diabetes Mellitus, Type 2, Diet, Fertility, Genetic Predisposition to Disease, Genome-Wide Association Study, Humans, Mice, Inbred C57BL, Ovary, Uterus, Type 2, medicine.medical_specialty, media_common.quotation_subject, MEDLINE, Biology, Premature ovarian insufficiency, Article, genome-wide meta-analysis, SDG 3 - Good Health and Well-being, GERMLINE, Diabetes Mellitus, Genetic predisposition, Ovarian reserve, Premature, business.industry, Human genetics, CHROMOSOME SYNAPSIS, DNA-DAMAGE, Ageing, EXPRESSION ANALYSIS, business, MEIOTIC CELL-CYCLE
Abstract

Reproductive longevity is essential for fertility and influences healthy ageing in women1,2, but insights into its underlying biological mechanisms and treatments to preserve it are limited. Here we identify 290 genetic determinants of ovarian ageing, assessed using normal variation in age at natural menopause (ANM) in about 200,000 women of European ancestry. These common alleles were associated with clinical extremes of ANM; women in the top 1% of genetic susceptibility have an equivalent risk of premature ovarian insufficiency to those carrying monogenic FMR1 premutations3. The identified loci implicate a broad range of DNA damage response (DDR) processes and include loss-of-function variants in key DDR-associated genes. Integration with experimental models demonstrates that these DDR processes act across the life-course to shape the ovarian reserve and its rate of depletion. Furthermore, we demonstrate that experimental manipulation of DDR pathways highlighted by human genetics increases fertility and extends reproductive life in mice. Causal inference analyses using the identified genetic variants indicate that extending reproductive life in women improves bone health and reduces risk of type 2 diabetes, but increases the risk of hormone-sensitive cancers. These findings provide insight into the mechanisms that govern ovarian ageing, when they act, and how they might be targeted by therapeutic approaches to extend fertility and prevent disease. Hundreds of genetic loci associated with age at menopause, combined with experimental evidence in mice, highlight mechanisms of reproductive ageing across the lifespan.

Published
2021
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3. Eclampsia and posterior reversible encephalopathy syndrome (PRES): A retrospective review of risk factors and outcomes

Author

Nissar Shaikh, Hussein Attia Sharara, Jazib Hussain, Aamir Shahzad, Shoaib Nawaz, Kiran Ahmad, Haleema S Almohannadi, and Firdous Ummunisa

Subjects
posterior reversible encephalopathy syndrome, medicine.medical_specialty, Population, antenatal, eclampsia, Preeclampsia, law.invention, law, medicine, gestational age, education, reproductive and urinary physiology, education.field_of_study, Pregnancy, Eclampsia, cesarean section, Obstetrics, business.industry, Incidence (epidemiology), Gestational age, post-partum, Posterior reversible encephalopathy syndrome, General Medicine, medicine.disease, Intensive care unit, female genital diseases and pregnancy complications, multiparous, business, Research Article
Abstract

Posterior reversible encephalopathy syndrome (PRES) is a clinical and radiological entity initially described in 1996. PRES frequently develops in patients with preeclampsia and eclampsia. There is not much literature on risk factors causing PRES in pregnant patients with eclampsia. This study aimed to determine the incidence of PRES in eclampsia, its association with pregnancy, risk factors, and maternal and perinatal outcomes. Patients and methods: All patients who were admitted with eclampsia and developed PRES in an intensive care unit of a tertiary medical facility between 1997 and 2017 were included in the study. Patients’ demographics, pregnancy and gestational data, treatment mode, and outcomes were retrospectively obtained from their medical charts/files. Data were entered using SPSS program version 23. Chi-square test was used to compare the variables, and a p value of Results: A total of 151 patients were admitted during the study period, and 25 developed PRES. The diagnosis was common in patients older than 25 years. Eclampsia patients who developed PRES were without any pregnancy-associated comorbidities (p p p p p Conclusion: Of eclampsia patients, 16% developed PRES, which is on the lower side than the reviewed literature (10%–90%). Eclampsia on presentation, recurrent seizures, postpartum eclampsia, cesarean delivery, and labetalol use were associated with increased risk of PRES development.

Published
2021
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5. Genetic insights into the biological mechanisms governing human ovarian ageing

Author

Unnur Styrkarsdottir, Daniel I. Chasman, Rehannah Borup, Anne B. Newman, Kristina W. Olsen, Lude Franke, Stefania Bandinelli, Nora Franceschini, Celine M. Vachon, Nicholas J. Timpson, James F. Wilson, Micaella Joaquim, Christa Meisinger, Felix R. Day, Charles Kooperberg, Qin Wang, Pascal Timshel, Dennis O. Mook-Kanamori, Luigi Ferrucci, Jennifer A. Smith, Miriam Dwek, Pascal Guénel, Claus Yding Andersen, Peter A. Fasching, Sven Bergmann, Thomas Meitinger, Nicholas Bowker, Jane L. Tarry-Adkins, Jeremy A. Daniel, Katharina E. Schraut, Mikael Eriksson, Amruta Shrikhande, Jacques E. Rossouw, Amber N. Wilcox, Simon S. Cross, Stasa Stankovic, Montserrat Garcia-Closas, Mohammad Arfan Ikram, Annette Peters, David Schlessinger, Sheila Ulivi, Mònica Ferrer-Roda, Immaculata De Vivo, Michela Traglia, Jessica Tyrrell, Paul R. H. J. Timmers, Rico Rueedi, Ko Willems van Dijk, N. Charlotte Onland-Moret, Doris Stöckl, Anthony J. Swerdlow, Paul M. Ridker, Zoltán Kutalik, Patrick Deelen, Gerardo Heiss, Marie Louise Grøndahl, Alison M. Dunning, Dale R. Nyholt, Nicholas J. Wareham, Reedik Mägi, Stephen J. Chanock, Martina La Bianca, Ozren Polasek, Daniel F. Gudbjartsson, Rebecca D. Jackson, Alison D. Murray, Lynda M. Rose, Hironori Abe, Joanne M. Murabito, Henry Völzke, Daniela Ruggiero, Dorret I. Boomsma, Harald Grallert, Stefania Benonisdottir, Javier Martin Gonzalez, Esther M. John, Natalia Perjakova, Georgia Chenevix-Trench, John R. B. Perry, Jenny Chang-Claude, Archie Campbell, Teresa Nutile, Ellen W. Demerath, Robin N Beaumont, Jouke J. Hottenga, Albert V. Smith, David Karasik, Linda Broer, Raymond Noordam, Wei He, Niclas Håkansson, Catherine E. Aiken, Robert Karlsson, Christopher A. Haiman, Massimo Mangino, Melissa C. Southey, Sharon L.R. Kardia, Nicholas G. Martin, Jodie N. Painter, Peter K. Joshi, Gonneke Willemsen, Lenore J. Launer, Alicja Wolk, Konstantin Strauch, Stig E. Bojesen, Manjeet K. Bolla, Allison W. Kurian, Renée de Mutsert, Joop S.E. Laven, Antonella Mulas, Igor Rudan, Vallari Shukla, Kathyrn L Lunetta, Susan E. Ozanne, Loic Le Marchand, Jenny A. Visser, Gad Rennert, Jennifer A. Brody, Paul D.P. Pharoah, Tune H. Pers, Sara Lindström, Ignasi Roig, Angela Cox, Unnur Þorsteinsdottir, Graham G. Giles, Toshiko Tanaka, Eva Hoffmann, Melissa A. Troester, Claudia Langenberg, Serena Sanna, Julie E. Buring, Anna Pujol, Mike A. Nalls, Kamila Czene, Tõnu Esko, Jian'an Luan, Lili Milani, Iffat Rahman, Sarah E. Medland, Caterina Barbieri, Emil Peter Trane Hertz, Behrooz Z. Alizadeh, David G. Hunter, Sandra Turon, Antonietta Robino, Marina Ciullo, Barbara McKnight, Chunyan He, Bruce H. R. Wolffenbuttel, David R. Weir, Daniela Toniolo, Ulrike Peters, George Davey-Smith, Saleh Shekari, Caroline Hayward, Elinor J. Sawyer, Patrick Sulem, Simin Liu, Tanguy Corre, Susan M. Ring, Peter Kraft, Alexander Teumer, Marjanka K. Schmidt, André G. Uitterlinden, Arto Mannermaa, Kristan J. Aronson, Heiko Becher, John L. Hopper, Alpa V. Patel, Joyce B. J. van Meurs, kConFab Investigators, Hamdi Mbarek, Frits R. Rosendaal, Minouk J. Schoemaker, Satoshi H. Namekawa, Miya Kudo Høffding, Fergus J. Couch, Nancy L. Pedersen, Jessica D. Faul, Patrik K. E. Magnusson, Jingmei Li, Christopher G. Scott, Joe Dennis, Genevieve Lachance, Ajuna Azad, Yongmei Liu, Elnaz Naderi, Andrew R. Wood, Yan Huang, Anna Murray, Annique Claringbould, Stephen Burgess, Jose E. Castelao, Brumat Marco, Eco J. C. de Geus, Veronique Vitart, Ken K. Ong, Kari Stefansson, Blair H. Smith, Francesco Cucca, Grant W. Montgomery, Emmanouil Saloustros, Andrés J. López-Contreras, Jonathan Marten, Håkan Olsson, Dale P. Sandler, Alice M. Arnold, Ana Martínez-Marchal, Tim D. Spector, Chloé Sarnowski, John J. Spinelli, Vilmundur Gudnason, Frank B. Hu, Thomas U. Ahearn, Hedy S. Rennert, Olivier B. Bakker, Eric Boerwinkle, Matthias W. Beckmann, Jazib Hussain, Uwe Völker, Peter Vollenweider, Douglas F. Easton, Irene L. Andrulis, Harry Campbell, Manuela Gago-Dominguez, Cari M. Kitahara, Yvonne T. van der Schouw, Eleonora Porcu, Annika Lindblom, Martha S. Linet, Meir J. Stampfer, Eulalia Catamo, Roger L. Milne, Ivana Kolcic, Annelie Augustinsson, Cinzia Sala, Debbie A Lawlor, Cristina Menni, Timothy M. Frayling, Lauren R. Teras, Marek Zygmunt, Tricia Lindstrom, Clarice R. Weinberg, Bruce M. Psaty, Thérèse Truong, Anna Marie Mulligan, Deborah J. Thompson, Per Hall, Rossella Sorice, Wei Zhao, Andres Metspalu, Katherine S. Ruth, Andrew F. Olshan, Massimo Mezzavilla, Murielle Bochud, and Christian Gieger

Subjects
media_common.quotation_subject, Genetic predisposition, Longevity, Fertility, Disease, Biology, Premature ovarian insufficiency, Bioinformatics, Ovarian reserve, FMR1, Human genetics, media_common
Abstract

Reproductive longevity is critical for fertility and impacts healthy ageing in women, yet insights into the underlying biological mechanisms and treatments to preserve it are limited. Here, we identify 290 genetic determinants of ovarian ageing, assessed using normal variation in age at natural menopause (ANM) in ∼200,000 women of European ancestry. These common alleles influence clinical extremes of ANM; women in the top 1% of genetic susceptibility have an equivalent risk of premature ovarian insufficiency to those carrying monogenicFMR1premutations. Identified loci implicate a broad range of DNA damage response (DDR) processes and include loss-of-function variants in key DDR genes. Integration with experimental models demonstrates that these DDR processes act across the life-course to shape the ovarian reserve and its rate of depletion. Furthermore, we demonstrate that experimental manipulation of DDR pathways highlighted by human genetics increase fertility and extend reproductive life in mice. Causal inference analyses using the identified genetic variants indicates that extending reproductive life in women improves bone health and reduces risk of type 2 diabetes, but increases risks of hormone-sensitive cancers. These findings provide insight into the mechanisms governing ovarian ageing, when they act across the life-course, and how they might be targeted by therapeutic approaches to extend fertility and prevent disease.

Published
2021
Full Text
View/download PDF

6. Actual and predicted evapotranspiration along with groundwater contribution for wheat (Triticum aestivum) crop.

Author

Dahri, Shahzad Hussain, Mangrio, Munir Ahmed, Shaikh, Irfan Ahmed, Dahri, Zakir Hussain, Syed, Ain-ul-Abad, Jakhrani, Jazib Hussain, Syed, Taimoor Ali, and Bukhari Syed, Naeem Shah

Subjects
*GROUNDWATER, *WATER table, *WATER levels, *WATER supply, *WATER depth, *EVAPOTRANSPIRATION
Abstract

This experiment aimed to determine the crop evapotranspiration (ETc) and groundwater input in total water used by wheat (Triticum aestivum) crop and to use the CROPWAT model to predict the crop ETc. To estimate the on-field ETc and groundwater contribution, the combining lysimeter technique was used. The water levels below the soil surface were kept at 1.60, 2.20, and 2.80 m and each water table depth was replicated three times. A field experiment was conducted under silt loam (SL) and silty-clay loam (SCL) soil conditions. The climatic parameters and water balance components were recorded accordingly. The on-field ETc was compared with the predicted ETc by CROPWAT model. Under SL soil, the observed ETc was 442, 427 and 401 mm and under SCL soil conditions it was observed as 419, 402 and 389 mm at the water table depth of 1.60, 2.20, and 2.80 m, respectively. The ETc was reduced with an increase in water level below the surface. The groundwater contribution under SL and SCL soil was observed as 50%, 41%, and 30% and 43%, 34%, and 24%, at 1.60, 2.20 and 2.80 m water table depth, respectively. The predicted ETc by CROPWAT model for SL and SCL soil conditions was 428.8 and 410.7 mm, respectively. The projected ETc was equal to the average ETc observed under lysimeter experiment. Thus, the use of CROPWAT model is recommended to overcome waterlogging and salinity problems and to conserve water resources. Considering lysimeter results, the irrigation applications must be revised for shallow water table levels due to adequate contribution of groundwater. [ABSTRACT FROM AUTHOR]

Published
2021

7. Assessing evapotranspiration rate and sesame (Sesamum indicum) crop water use under different water table depths.

Author

Dahri, Shahzad Hussain, Mangrio, Munir Ahmed, Mirjat, Muhammad Saffar, Dahri, Saeed Ahmed, Aqlani, Zaheer Ahmed, Jakhrani, Jazib Hussain, and Aghani, Ghulam Mehdi

Subjects
*SESAME, *WATER depth, *WATER use, *WATERLOGGING (Soils), *EXPERIMENTAL agriculture, *EVAPOTRANSPIRATION, *WATER table
Abstract

This study was conducted to estimate the evapotranspiration and to probe the seasonal groundwater contribution in total crop water use by the sesame crop under different water table depths. The method of combining lysimeter was executed to investigate the groundwater contribution in total water used by the crop. The water table depths were maintained at 1.60, 2.0 and 2.40 m, respectively. Each water table depth was replicated for three times. Climate conditions under which crop was grown were monitored and all the water balance components were recorded accordingly. The obtained evapotranspiration (ET) from lysimeter experiment was compared with the predicted ET by CROPWAT model. The experimentally observed ET were 457.5, 452 and 428 mm under the water table depths of 1.60, 2.0 and 2.40 m, respectively. The predicted ET using CROPWAT model was 434 mm, which was very close to the observed values. Under the lysimeter experiment, the groundwater contribution in total crop water use was observed as 37%. The predicted crop coefficient was ranged from 0.38 to 0.98, whereas the experimental crop coefficient was 1.0. The trend of soil moisture balance predicted by the model revealed the same as that experimentally observed. Thus, the use of CROPWAT model is recommended to redesign irrigation amounts and to prevent soil salinity and waterlogging problems. [ABSTRACT FROM AUTHOR]

Published
2021

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