An Ecological History of Agriculture 10,000 B.C.-A.D. 10,000
An Ecological History of Agriculture, 10,000 B.C. - A.D. 10,000 opens with the first known agriculture and ends in a future in which we might have to use fewer resources to feed more people. The book describes past and present agriculture and looks at future possibilities.
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Africa agri agricultural systems American animals areas Asia biological biomass breeders breeding Cambridge century cereals chemical fertilizers climates cropping frequencies culture decrue domestication dry farming dry lands early Ecology Economic ecosystems energy environment equilibrium Europe European fallow systems farmers feed fields food production forest grass fallows grasslands green revolution History Holocene human humid increase inputs irrigation kcal labor legumes less developed countries levels limits livestock maize manure mechanisms ment methods micronutrients nitrogen nitrogen fixation nomads North northern nutrients Organic Farming organic matter Papua New Guinea pastoralists pasture permanent cultivation pests phosphorus plants Pleistocene plows population densities population growth population pressure potato Prehistoric preindustrial protein rainfall rates regions revolution runoff season settlement soil soil amendments Southwest Asia species swidden tion tractors trees trophic level tropics U.S. Department United University Press USDA vegetation weeds wheat World yields York zone