|- 10.000 years 19th century|
: maïze, bean, avocado, tomato, vanilla, cocoa
South America : tobacco, groundnut, potato, cotton, tomato, pine-aple, pimienta, Cassava, rubber-tree
East : oat, wheat, peas, lentil, flax, olive-tree, vine, fig-tree,
Central Africa : mil, sorghum, yam, coffee, oil palm-tree
Western China : mil, soya, tea
South-East Asia, Southern Pacific : rice, banana, sugar cane, orange tree, egg plant, coconut tree, pepper
Due to the French botanist de Candolle (19th century), the Russian agronomer and genetician Vavilov (20th century), and more recently the American agronomer Harlan, we are now able to locate the six major areas where first started agriculture.
According to Harlan, these different areas are not of the same importance.
Three « centers » have mostly contributed to the propagation
of agriculture around the world : the Middle-east, China and Meso-America..
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