Enhancing agricultural research and precision management for subsistence farming by integrating system models with experiments / / edited by Dennis J. Timlin, Saseendran S. Anapalli, Lajpat R. Ahuja

• Record Nr.: UNINA9910573099303321
• Pubbl/distr/stampa: Hoboken, New Jersey : , : Wiley, , [2022]; ©2022
• ISBN: 0-89118-389-2; 0-89118-391-4
• Descrizione fisica: 1 online resource (204 pages)
• Collana: Advances in Agricultural Systems Modeling Ser.
• Disciplina: 630.2515
• Soggetti: Agricultural systems - Mathematical models
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Cover -- Title Page -- Copyright Page -- Contents -- Chapter 1 Introduction: System Models Integrated with Experiments Can Be Useful Tools to Develop Improved Management Practices for Subsistence Farming to Address Increased Intensification and Climate Change -- References -- Chapter 2 Modeling Soil Erosion Impacts and Trade-Offs of Sustainable Land Management Practices in the Upper Tana Region of the Central Highlands in Kenya -- Abstract -- Introduction -- Materials and Methods -- Study Site and Farming System Selection -- Household and Biophysical Data Collection -- Baseline Erosion Calculations -- Bio-Economic Modeling with FarmDESIGN -- Inventory and Prioritization of Sustainable Land Management Practices -- Sustainable Land Management Scenario Description -- Results and Discussion -- Soil Quality, Erosion, and N Balances -- GHG Emissions -- Profitability -- Scenario Impacts -- Conclusions -- Acknowledgments -- Abbreviations -- References -- Chapter 3 Using Crop Simulation Models as Tools to Quantify Effects of Crop Management Practices and Climate Change Scenarios on Wheat Yields in Northern Ethiopia -- Abstract -- Introduction -- Materials and Methods -- Study Site -- Model Setup and Agronomic Management Simulation Scenarios -- Simulation Scenarios for Climate Change Risk Assessment -- Results and Discussion -- Effects of Planting Dates -- Effects of Plant Densities ; -- Effects of Water Management -- Effects of N Fertilization Rates -- Effects of Future Climate Change under Different Crop Management Practices -- Conclusions -- Acknowledgments -- Abbreviations -- References -- Chapter 4 The Role of Crop Simulation Modeling in Managing Fertilizer Use in Maize Production Systems in Northern Ghana -- Abstract -- Introduction -- Methodology -- Study Area -- Field Experiments -- Model Description -- Evaluation of Model Performance.; Derivation of Maize Yield Maps for the Three Northern Regions -- Results and Discussions -- Calibration and Validation of the DSSAT Model for Maize Varieties -- Simulation of Maize Yields in the Guinea Savanna Zone of Ghana under Diverse Nutrient, Soil Water, and Management Conditions -- Yield Mapping and Production Domains within Northern Ghana for Various Maize Varieties -- Conclusion -- Acknowledgment -- Abbreviations -- References -- Chapter 5 Modeling Water Dynamics for Assessing and Managing Ecosystem Services in India -- Abstract -- Introduction -- Modeling of Agro-Ecosystem Services -- Agro-Ecosystem Models -- Modeling of Water-Regulating Agro-Ecosystem Services under Climate Change -- Infiltration -- Groundwater Recharge -- Surface Water Evaporation -- Potential Evapotranspiration -- Surface Runoff -- Surface Water Storage -- Soil Erosion -- Summary -- Abbreviations -- References -- Chapter 6 Modeling Agricultural Hydrology and Water Productivity to Enhance Water Management in the Arid Irrigation District of China -- Abstract -- Introduction -- Materials and Methods -- The Study Area -- Method -- Model Calibration and Validation -- Water Productivity and Irrigation Water Productivity -- Results -- Evaluation of the AWPM-SG Model -- Groundwater Contribution to ET -- Discussion -- Relationship between Groundwater Upward Flux to Evapotranspiration and Average Groundwater Depth -- Relationship between Water Productivity and Groundwater Depth under Various Irrigation Amounts -- Conclusions -- Acknowledgments -- Abbreviations -- References -- Chapter 7 Use of Data and Models in Simulating Regional and Geospatial Variations in Climate Change Impacts on Rice and Barley in the Republic of Korea -- Abstract -- Introduction -- Simulation of Grain Yields of Barley and Rice under Climate Change -- Field Experimental Data -- Simulation of Rice and Barley.; Simulation of the Climate Change Impacts on Barley and Rice -- Varietal, Local, and Geographical Variations in Grain Yields of Barley and Rice in a Changing Climate -- Management Options and Outlines of the Geospatial Crop Projections under Climate Change as a Tool to Guide Management by Producers -- Summary and Conclusion -- Acknowledgments -- Abbreviations -- References -- Chapter 8 Constraints to Productivity of Subsistence Dryland Agroecosystems in the Fertile Crescent: Simulation and Statistical Modeling -- Abstract -- Introduction -- Materials and Methods -- Countries and Locations -- Weather Data -- Sources of Crop Data -- Crops -- Crop Rotations -- Soil Data -- Simulation Modeling -- Model Evaluation -- Statistical Modeling -- Data Management -- Results and Discussion -- Simulation Results -- Statistical Modeling -- Monthly Rainfall -- Variance Estimates -- Geographic and Agronomic Matrix Distances -- Yield Gaps -- Conclusions -- Abbreviations -- References -- Index -- EULA.