Feeding the world : a challenge for the twenty-first century /
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作 者：Vaclav Smil.
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ISBN：9780262194327
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简介
"This book differs from other books on the world food situation in its consideration of the complete food cycle, from agriculture to post-harvest losses and processing to eating and discarding. Taking a scientific approach, Smil espouses neither the catastrophic view that widespread starvation is imminent nor the cornucopian view that welcomes large population increases as the source of endless human inventiveness. He shows how we can make more effective use of current resources and suggests that if we increase farming efficiency, reduce waste, and transform our diets, future needs may not be as great as we anticipate."--BOOK JACKET.
目录
Acknowledgments p. vii
Introduction p. ix
Reasons for Concern p. 1
Demographic Imperatives p. 6
Dietary Transitions p. 8
End of an Era? p. 11
Appraising the Basics p. 23
Photosynthesis and Crop Productivity p. 25
Land, Water, and Nutrients p. 30
Agroecosystems and Biodiversity p. 52
Environmental Change and Agroecosystems p. 65
Changing Soils p. 67
Environmental Pollution p. 80
What Could Climate Change Do p. 90
Toward Higher Cropping Efficiencies p. 105
More Efficient Fertilization p. 108
Better Use of Water p. 125
Precision Farming p. 135
Rationalizing Animal Food Production p. 141
Feeding Efficiencies and Resource Claims p. 145
Opportunities in Milk and Meat Production p. 163
Aquacultural Possibilities p. 171
Consuming the Harvests p. 181
Harvests and Postharvest Losses p. 182
How Much Food Do We Have? p. 188
How Much Food Do We Eat? p. 196
How Much Food Do We Need? p. 211
Human Energetics p. 215
Protein Needs p. 227
Comparisons and Implications p. 235
Searching for Optimum Diets p. 249
Nutritional Transitions p. 250
Nutrition, Health, and Disease p. 264
Optimized Diets p. 276
If China Could Do It ... p. 291
China's Predicament p. 292
Available Resources and Existing Inefficiencies p. 299
Realistic Solutions p. 309
References p. 317
Index p. 353
Introduction p. ix
Reasons for Concern p. 1
Demographic Imperatives p. 6
Dietary Transitions p. 8
End of an Era? p. 11
Appraising the Basics p. 23
Photosynthesis and Crop Productivity p. 25
Land, Water, and Nutrients p. 30
Agroecosystems and Biodiversity p. 52
Environmental Change and Agroecosystems p. 65
Changing Soils p. 67
Environmental Pollution p. 80
What Could Climate Change Do p. 90
Toward Higher Cropping Efficiencies p. 105
More Efficient Fertilization p. 108
Better Use of Water p. 125
Precision Farming p. 135
Rationalizing Animal Food Production p. 141
Feeding Efficiencies and Resource Claims p. 145
Opportunities in Milk and Meat Production p. 163
Aquacultural Possibilities p. 171
Consuming the Harvests p. 181
Harvests and Postharvest Losses p. 182
How Much Food Do We Have? p. 188
How Much Food Do We Eat? p. 196
How Much Food Do We Need? p. 211
Human Energetics p. 215
Protein Needs p. 227
Comparisons and Implications p. 235
Searching for Optimum Diets p. 249
Nutritional Transitions p. 250
Nutrition, Health, and Disease p. 264
Optimized Diets p. 276
If China Could Do It ... p. 291
China's Predicament p. 292
Available Resources and Existing Inefficiencies p. 299
Realistic Solutions p. 309
References p. 317
Index p. 353
Feeding the world : a challenge for the twenty-first century /
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