Agriculture. Origins of agriculture Hunters and gatherers 1 st agricultural revolution – domestication (10-12,000 years ago) plants, animals. C. Hearth areas 1. Vegetative Southeast Asia, West Africa South America 2. Seeds India / Fertile Crescent East China, Mesoamerica .
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domestication (10-12,000 years ago)
Southeast Asia, West Africa
India / Fertile Crescent
East China, Mesoamerica
III. Second agricultural revolution
C. Hearth area, diffusion
C. Impact - Moral economy
A. Shifting agr (swidden, slash and burn)
B. Pastoral nomadism
mulberry, fish, rice system
Fig. 10-3: A large proportion of workers in most LDCs are in agriculture, while only a small percentage of workers in MDCs are engaged in agriculture.
C. Grain farming
D. Livestock ranching
Fig. 10-7: The U.S. accounts for about 40% of world corn (maize) production. China is the 2nd largest producer. Much of the corn in both countries is used for animal feed.
Fig. 10-16: The proportion of under-nourished population has declined in most LDCs, but is much higher in sub-Saharan Africa than in other areas of the world.
Fig. 10-1.1: Overlaps of soil quality, environmental & cultural features, and population growth may show areas of greatest threat of farmland loss in Maryland.