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Smil Vaclav

Feeding the world A challenge for the twenty-first century - London The MIT Press 2012 - 360P ix PB

Agricultural Productivity Food Supply

Contents
Reasons for Concern
1
Demographic Imperatives
6
Dietary Transitions
8
End of an Era?
11
Appraising the Basics
23
Photosynthesis and Crop Productivity
25
Land Water and Nutrients
30
Agroecosystems and Biodiversity
52
Consuming the Harvests
181
Harvests and Postharvest Losses
182
How Much Food Do We Have?
188
How Much Food Do We Eat?
196
How Much Food Do We Need?
211
Human Energetics
215
Protein Needs
227
Comparisons and Implications
235

Environmental Change and Agroecosystems
65
Changing Soils
67
Environmental Pollution
80
What Could Climate Change Do?
90
Opportunities for Higher Cropping Efficiencies
105
More Efficient Fertilization
108
Better Use of Water
125
Precision Farming
135
Rationalizing Animal Food Production
141
Feeding Efficiencies and Resource Claims
145
Opportunities in Milk and Meat Production
163
Aquacultural Possibilities
171
Searching for Optimum Diets
249
Nutritional Transitions
250
Nutrition Health and Disease
264
Optimized Diets
276
If China Could Do It
291
Chinas Predicament
292
Available Resources and Existing Inefficiencies
299
Realistic Solutions
309
References
317
Index
353
Copyright

ISBN: 9780262692717

Dewey Class. No.: 338.19 SMI