图书简介
In this book, major issues surrounding importance of water and energy for food security in the United States and India are described representing two extremes in yield, irrigation efficiency, and automation. The farming systems in these two countries face different risks in terms of climatic shifts and systems’ resiliency to handle the shocks. One may have comparative advantage over the other, but both are susceptible. Innovations in irrigation for food and fuel production, improvements in nitrogen and water use efficiency, and rural sociological issues are discussed here. We also look into some of the unintended consequences of high productivity agriculture in terms of surface and ground water quality and impacts on ecosystem services. Finally, we present ways to move forward to meet the food demands in the next half-century in both countries. As the current world population of 7 billion is expected to reach or exceed 10 billion in the next 40 years, there will be significant additional demand for food. A rising middle class and its preference for a meat-based diet also increases the demand for animal feed. This additional food and feed production needs special considerations in water and energy management besides the development of appropriate crop hybrids to withstand future climatic shifts and other environmental factors. A resilient agricultural landscapes will also be needed to withstand climatic fluctuations, disease pressures, etc. While the upper and many middle income countries have made significant improvements in crop yield due to pressurized irrigation and automation in farming systems, the lower income countries are struggling with yield enhancements due to such limitations. The rise in population is expected to be more in Sub-Sharan Africa and Middle East (Low to middle-income countries) where the crop yields are expected to be low.
1. Unfolding Food, Energy, and Water Nexus (Chittaranjan Ray, Sekhar Muddu, and Sudhirendar Sharma).- 2. Resilience of Working Agricultural Landscapes (Shana M. Sundstrom, Jennifer Hodbod, and Craig R. Allen).- 3. A Greenhouse Gas Emissions Inventory for Nebraska: Livestock and Coal Loom Large (Eric R. Holley and Adam J. Liska).- 4. Technologies for Enhancing Water Productivity in Irrigated Agriculture (Sarangi and M. Sekhar).- 5. Virtual Water and Embodied Energy Flows Out of Nebraska Related to Trade in Corn (Mesfin M. Mekonnen).- 6. State of Agriculture in Karnataka, India and a Case Study of Food, Energy and Water Nexus from the Kabini Observatory (Deepti B. Upadhyaya and Sekhar Muddu).- 7. Sensor-Based Monitoring of Soil and Crop Health for Enhancing Input Use Efficiency (Rabi N. Sahoo).- 8. Strategies to Improve Crop-Water Productivity (Vivek Sharma and Shiva Bhambota).- 9. Limited Irrigation for Managing Declining Water Resources in the US High Plains (Bijesh Maharjan, Gary W. Hergert, and Saurav Das).- 10. Understanding the Cultural Foundations of Water Institutions: Groundwater Management in Kansas, High Plains-Ogallala Aquifer (Rebekah Carnes and Matthew R. Sanderson).- 11. Nitrogen Management for Improving Water, Energy, and Food Security (Brian T. Krienke, Daran R. Rudnick, Tsz Him Lo, and Xin Qiao).- 12. Mobilization of Naturally Occurring Uranium in Groundwater Under Intensely Managed Farmland (Jeffrey P. Westrop, Daniel D. Snow, and Karrie A. Weber).- 13. Nanotechnology at the Juncture of Water, Food, and Energy Nexus: Boon or Bane? (Arindam Malakar and Jennifer A. Cooper).
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