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Books > Medicine > Other branches of medicine > Environmental medicine
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Food, Energy, and Water Nexus - A Consideration for the 21st Century (Paperback, 1st ed. 2022)
Loot Price: R4,287
Discovery Miles 42 870
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Food, Energy, and Water Nexus - A Consideration for the 21st Century (Paperback, 1st ed. 2022)
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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.
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