Search Results - "Kheir, Ahmed M.S."

Coupling Process-Based Models and Machine Learning Algorithms for Predicting Yield and Evapotranspiration of Maize in Arid Environments by Attia, Ahmed, Govind, Ajit, Qureshi, Asad Sarwar, Feike, Til, Rizk, Mosa Sayed, Shabana, Mahmoud M. A., Kheir, Ahmed M.S.

“…Crop yield prediction is critical for investigating the yield gap and potential adaptations to environmental and management factors in arid regions. Crop…”
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Agricultural big data and methods and models for food security analysis-a mini-review by Ammar, Khalil A, Kheir, Ahmed M S, Manikas, Ioannis

“…Big data and data analysis methods and models are important tools in food security (FS) studies for gap analysis and preparation of appropriate analytical…”
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Developing new lines of Japonica rice for higher quality and yield under arid conditions by El Sayed, Mahmoud A A, Kheir, Ahmed M S, Hussein, Fatma A, Ali, Esmat F, Selim, Mahmoud E, Majrashi, Ali, El Shamey, Essam A Z

“…Rice is the world's largest food crop, and its production needs to be doubled by 2050 to cope with population growth and associated demand. In addition to the…”
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The integrated effect of salinity, organic amendments, phosphorus fertilizers, and deficit irrigation on soil properties, phosphorus fractionation and wheat productivity by Ding, Zheli, Kheir, Ahmed M. S., Ali, Marwa G. M., Ali, Osama A. M., Abdelaal, Aly I. N., Lin, Xin’e, Zhou, Zhaoxi, Wang, Bizun, Liu, Beibei, He, Zhenli

“…Soil degradation due to global warming, water scarcity and diminishing natural resources negatively impacts food security. Soil fertility deterioration,…”
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Biochar and compost enhance soil quality and growth of roselle (Hibiscus sabdariffa L.) under saline conditions by Liu, Di, Ding, Zheli, Ali, Esmat F., Kheir, Ahmed M. S., Eissa, Mamdouh A., Ibrahim, Omer H. M.

“…Soil amendments may increase the slate tolerance of plants consequently; it may increase the opportunity of using saline water in agricultural production. In…”
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Can Egypt become self-sufficient in wheat? by Asseng, Senthold, Kheir, Ahmed M S, Kassie, Belay T, Hoogenboom, Gerrit, Abdelaal, Aly I N, Haman, Dorota Z, Ruane, Alex C

“…Egypt produces half of the 20 million tons of wheat that it consumes with irrigation and imports the other half. Egypt is also the world's largest importer of…”
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An improved deep learning procedure for statistical downscaling of climate data by Kheir, Ahmed M.S., Elnashar, Abdelrazek, Mosad, Alaa, Govind, Ajit

“…Recent climate change (CC) scenarios from the Coupled Model Intercomparison Project Phase 6 (CMIP6) have just been released in coarse resolution. Deep learning…”
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The combined impact of shallow groundwater and soil salinity on evapotranspiration using remote sensing in an agricultural alluvial setting by Aboelsoud, Hesham M., Habib, Ayman, Engel, Bernard, Hashem, Ahmed A., El-Hassan, Waleed Abou, Govind, Ajit, Elnashar, Abdelrazek, Eid, Mona, Kheir, Ahmed M.S.

“…The Nile Delta, Egypt Shallow groundwater (GW) and soil salinity are major issues for irrigated agriculture, particularly in arid and semi-arid regions, but…”
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Modeling the combined impacts of deficit irrigation, rising temperature and compost application on wheat yield and water productivity by Ding, Zheli, Ali, Esmat F., Elmahdy, Ahmed M., Ragab, Khaled E., Seleiman, Mahmoud F., Kheir, Ahmed M.S.

“…Limited water resources and climate change in arid and semi-arid regions have negative impacts on food and water security. Management of irrigation and compost…”
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Maize productivity, heavy metals uptake and their availability in contaminated clay and sandy alkaline soils as affected by inorganic and organic amendments by Seleiman, Mahmoud F., Kheir, Ahmed M.S.

“…Contamination of arid and semi-arid ecosystems by toxic heavy metals is a serious concern due to its impact on growth and productivity of crop and health risk…”
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Saline soil properties, quality and productivity of wheat grown with bagasse ash and thiourea in different climatic zones by Seleiman, Mahmoud F., Kheir, Ahmed M.S.

“…Soil salinity and atmosphere temperature change have negative impacts on crop productivity and its quality and can pose a significant risk to soil properties…”
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A vermicompost and deep tillage system to improve saline-sodic soil quality and wheat productivity by Ding, Zheli, Kheir, Ahmed M.S., Ali, Osama A.M., Hafez, Emad M., ElShamey, Essam A., Zhou, Zhaoxi, Wang, Bizun, Lin, Xing'e, Ge, Yu, Fahmy, Ahmed E., Seleiman, Mahmoud F.

“…Land degradation due to soil salinity and sodicity is a serious concern in arid ecosystems. Despite the importance of conservation tillage in carbon…”
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Integrating APSIM model with machine learning to predict wheat yield spatial distribution by Kheir, Ahmed M. S., Mkuhlani, Siyabusa, Mugo, Jane W., Elnashar, Abdelrazek, Nangia, Vinay, Devare, Medha, Govind, Ajit

“…Traditional simulation models are often point based; thus, more research is needed to emphasize spatial simulation, providing decision‐makers with fast…”
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Modeling the potential impact of climate change on maize-maize cropping system in semi-arid environment and designing of adaptation options by Abbas, Ghulam, Ahmed, Mukhtar, Fatima, Zartash, Hussain, Sajjad, Kheir, Ahmed M.S., Ercişli, Sezai, Ahmad, Shakeel

“…•CSM-CERES-Maize model was applied to simulate maize-maize cropping system.•CSM-CERES-Maize well simulated phenology, crop yield and harvest index.•Potential…”
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Minimizing trade-offs between wheat yield and resource-use efficiency in the Nile Delta – A multi-model analysis by Kheir, Ahmed M.S., Hoogenboom, Gerrit, Ammar, Khalil A., Ahmed, Mukhtar, Feike, Til, Elnashar, Abdelrazek, Liu, Bing, Ding, Zheli, Asseng, Senthold

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Modeling deficit irrigation-based evapotranspiration optimizes wheat yield and water productivity in arid regions by Kheir, Ahmed M.S., Alrajhi, Abdullah A., Ghoneim, Adel M., Ali, Esmat F., Magrashi, Ali, Zoghdan, Medhat G., Abdelkhalik, Sedhom A.M., Fahmy, Ahmed E., Elnashar, Abdelrazek

“…Climate change and water scarcity have put food security and sustainable development in arid regions at risk. Irrigation based actual evapotranspiration (ETc)…”
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Impacts of rising temperature, carbon dioxide concentration and sea level on wheat production in North Nile delta by Kheir, Ahmed M.S., El Baroudy, Ahmed, Aiad, Mahmoud A., Zoghdan, Medhat G., Abd El-Aziz, Mohamed A., Ali, Marwa G.M., Fullen, Michael A.

“…Climate change poses a serious threat to arid and low elevation coastal zones. Kafrelsheikh governorate, as a large agricultural and coastal region on the…”
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Machine learning-based cloud computing improved wheat yield simulation in arid regions by Kheir, Ahmed M.S., Ammar, Khalil A., Amer, Ahmed, Ali, Marwa G.M., Ding, Zheli, Elnashar, Abdelrazek

“…•Crop models have uncertainties in yield simulations.•Coupling ML with CMs improved yield simulation and reduced uncertainty.•ANN and RFR outperformed other ML…”
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Modelling and Assessment of Irrigation Water Quality Index Using GIS in Semi-arid Region for Sustainable Agriculture by El Behairy, Radwa A., El Baroudy, Ahmed A., Ibrahim, Mahmoud M., Kheir, Ahmed M. S., Shokr, Mohamed S.

“…Agriculture is the largest consumer of water, particularly in arid and semi-arid regions, so identifying and managing surface water quality in these areas is…”
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Developing an analytical framework for estimating food security indicators in the United Arab Emirates: A review by Ammar, Khalil A., Kheir, Ahmed M. S., Ali, Beshir M., Sundarakani, Balan, Manikas, Ioannis

“…Rapid population growth, climate change, limited natural resources, and the COVID-19 pandemic contribute to increased global hunger, necessitating intensive…”
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